#All units
ACCELERATION	(m/s²)
To convert from	to	Multiply by
acceleration of free fall, standard (gₙ)	meter per second squared (m/s²)	9.806 65	E+00
foot per second squared (ft/s²)	meter per second squared (m/s²)	3.048	E-01
gal (Gal)	meter per second squared (m/s²)	1.0	E-02
inch per second squared (in/s²)	meter per second squared (m/s²)	2.54	E-02

AREA	(m²)
To convert from	to	Multiply by
acre (based on U.S. survey foot)	square meter (m²)	4.046 873	E+03
#are (a)	square meter (m²)	1.0	E+02
#barn (b)	square meter (m²)	1.0	E-28
#circular mil	square meter (m²)	5.067 075	E-10
hectare (ha)	square meter (m²)	1.0	E+04
square foot (ft²)	square meter (m²)	9.290 304	E-02
square inch (in²)	square meter (m²)	6.4516	E-04
square mile (mi²)	square meter (m²)	2.589 988	E+06
#square mile (based on U.S. survey foot) (mi²)	square meter (m²)	2.589 998	E+06
#square mile (based on U.S. survey foot) (mi²)	square kilometer (km²)	2.589 998	E+00
square yard (yd²)	square meter (m²)	8.361 274	E-01

ELECTRICITY and MAGNETISM	(A)
To convert from	to	Multiply by
#bampere	ampere (A)	1.0	E+01
#abcoulomb	coulomb(C)	1.0	E+01
#abfarad	farad (F)	1.0	E+09
#abhenry	henry (H)	1.0	E-09
#abmho	siemens (S)	1.0	E+09
#abohm	ohm (Ω)	1.0	E-09
#abvolt	volt	1.0	E-08
#ampere hour (A · h)	coulomb(C)	3.6	E+03
#biot (Bi)	ampere (A)	1.0	E+01
#EMU of capacitance (abfarad)	farad (F)	1.0	E+09
#EMU of current (abampere)	ampere (A)	1.0	E+01
#EMU of electric potential (abvolt)	volt (V)	1.0	E-08
#EMU of inductance (abhenry)	henry (H)	1.0	E-09
#EMU of resistance (abohm)	ohm (Ω)	1.0	E-09
#ESU of capacitance (statfarad)	farad (F)	1.112 650	E-12
#ESU of current (statampere)	ampere (A)	3.335 641	E-10
#ESU of electric potential (statvolt)	volt (V)	2.997 925	E+02
#ESU of inductance (stathenry)	henry (H)	8.987 552	E+11
#ESU of resistance (statohm)	ohm (Ω)	8.987 552	E+11
#faraday (based on carbon 12)	coulomb(C)	9.648 531	E+04
#franklin (Fr)	coulomb(C)	3.335 641	E-10
#gamma (γ)	tesla (T)	1.0	E-09
#gauss (Gs, G)	tesla (T)	1.0	E-04
#gilbert (Gi)	ampere (A)	7.957 747	E-01
#maxwell (Mx)	weber (Wb)	1.0	E-08
#mho	siemens (S)	1.0	E+00
#oersted (Oe)	ampere per meter (A/m)	7.957 747	E+01
#ohm centimeter (Ω · cm)	ohm meter (Ω · m)	1.0	E-02
#ohm circular-mil per foot	ohm meter (Ω · m)	1.662 426	E-09
#ohm circular-mil per foot	ohm square millimeter per meter (Ω · mm²/m)	1.662 426	E-03
#statampere	ampere (A)	3.335 641	E-10
#statcoulomb	coulomb (C)	3.335 641	E-10
#statfarad	farad (F)	1.112 650	E-12
#stathenry	henry (H)	8.987 552	E+11
#statmho	siemens (S)	1.112 650	E-12
#statohm	ohm(Ω)	8.987 552	E+11
#statvolt	volt (V)	2.997 925	E+02
#unit pole	weber (Wb)	1.256 637	E-07

ENERGY	(J)
To convert from	to	Multiply by
#British thermal unitIT (BtuIT)	joule (J)	1.055 056	E+03
British thermal unit thermochemical (Btu_th)	joule (J)	1.054 350	E+03
#British thermal unit (mean) (Btu)	joule (J)	1.055 87	E+03
#British thermal unit (39 °F) (Btu)	joule (J)	1.059 67	E+03
#British thermal unit (59 °F) (Btu)	joule (J)	1.054 80	E+03
#British thermal unit (60 °F) (Btu)	joule (J)	1.054 68	E+03
#calorieIT (calIT)	joule (J)	4.1868	E+00
calorie thermocehmical (cal_th)	joule (J)	4.184	E+00
#calorie (mean) (cal)	joule (J)	4.190 02	E+00
#calorie (15 °C) (cal15)	joule (J)	4.185 80	E+00
#calorie (20 °C) (cal20)	joule (J)	4.181 90	E+00
#calorieIT, kilogram (nutrition)	joule (J)	4.1868	E+03
#calorieth, kilogram (nutrition)	joule (J)	4.184	E+03
#calorie (mean), kilogram (nutrition)	joule (J)	4.190 02	E+03
#electronvolt (eV)	joule (J)	1.602 177	E-19
#erg (erg)	joule (J)	1.0	E-07
#foot poundal	joule (J)	4.214 011	E-02
foot pound-force (ft · lbf)	joule (J)	1.355 818	E+00
#kilocalorieIT (kcalIT)	joule (J)	4.1868	E+03
kilocalorie thermochemical (kcal_th)	joule (J)	4.184	E+03
#kilocalorie (mean) (kcal)	joule (J)	4.190 02	E+03
kilowatt hour (kW · h)	joule (J)	3.6	E+06
#quad (1015 BtuIT)	joule (J)	1.055 056	E+18
#therm (EC)	joule (J)	1.055 06	E+08
#therm (U.S.)	joule (J)	1.054 804	E+08
ton of TNT (TNT energy equivalent)	joule (J)	4.184	E+09
watt hour (W · h)	joule (J)	3.6	E+03
watt second (W · s)	joule (J)	1.0	E+00

FORCE	(N)
To convert from	to	Multiply by
dyne (dyn)	newton (N)	1.0	E-05
kilogram-force (kgf)	newton (N)	9.806 65	E+00
kilopond (kilogram-force) (kp)	newton (N)	9.806 65	E+00
#kip (1 kip = 1000 lbf)	newton (N)	4.448 222	E+03
#kip (1 kip = 1000 lbf)	kilonewton (kN)	4.448 222	E+00
#ounce (avoirdupois)-force (ozf)	newton (N)	2.780 139	E-01
#poundal	newton (N)	1.382 550	E-01
#pound-force per pound (lbf/lb)	newton per kilogram (N/kg)	9.806 65	E+00
pound-force (lbf)	newton (N)	4.448 222	E+00
ton-force (2000 lbf)	newton (N)	8.896 443	E+03
kilonewton (kN)	newton (N)	1.0	E+03

FORCE DIVIDED BY LENGTH	(N/m)
To convert from	to	Multiply by
pound-force per foot (lbf/ft)	newton per meter (N/m)	1.459 390	E+01
pound-force per inch (lbf/in)	newton per meter (N/m)	1.751 268	E+02

#HEAT	(J/m³)
#To convert from	to	Multiply by
##British thermal unitIT per cubic foot (BtuIT/ft³)	joule per cubic meter (J/m³)	3.725 895	E+04
#British thermal unit per cubic foot (Btu_th/ft³)	joule per cubic meter (J/m³)	3.723 403	E+04
##British thermal unitIT per pound (BtuIT/lb)	joule per kilogram (J/kg)	2.326	E+03
#British thermal unit per pound (Btu_th/lb)	joule per kilogram (J/kg)	2.324 444	E+03
##calorieIT per gram (calIT/g)	joule per kilogram (J/kg)	4.1868	E+03
#calorie per gram (cal_th/g)	joule per kilogram (J/kg)	4.184	E+03

#Coefficient of Heat Transfer	[W/(m² · K)]
#To convert from	to	Multiply by
##British thermal unitIT per hour square foot degree Fahrenheit [Btu_IT/(h · ft² · °F)]	watt per square meter kelvin [W/(m² · K)]	5.678 263	E+00
#British thermal unit per hour square foot degree Fahrenheit [Btu_th/(h · ft² · °F)]	watt per square meter kelvin [W/(m² · K)]	5.674 466	E+00
##British thermal unitIT per second square foot degree Fahrenheit [Btu_IT/(s · ft² · °F)]	watt per square meter kelvin [W/(m² · K)]	2.044 175	E+04
#British thermal unit per second square foot degree Fahrenheit [Btu_th/(s · ft² · °F)]	watt per square meter kelvin [W/(m² · K)]	2.042 808	E+04

#Density of Heat	(J/m²)
#To convert from	to	Multiply by
##British thermal unitIT per square foot (Btu_IT/ft²)	joule per square meter (J/m²)  	1.135 653	E+04
#British thermal unit per square foot (Btu_th/ft²)	joule per square meter (J/m²)  	1.134 893	E+04
#calorie per square centimeter (cal_th/cm²)	joule per square meter (J/m²)  	4.184	E+04
##langley (calth/cm²)	joule per square meter (J/m²)  	4.184	E+04

#Density of Heat Flow Rate	(W/m²)
#To convert from	to	Multiply by
##British thermal unitIT per square foot hour [Btu_IT/(ft² · h)]	watt per square meter (W/m²)  	3.154 591	E+00
#British thermal unit per square foot hour [Btu_th/(ft² · h)]	watt per square meter (W/m²)  	3.152 481	E+00
#British thermal unit per square foot minute [Btu_th/(ft² · min)]	watt per square meter (W/m²)  	1.891 489	E+02
##British thermal unitIT per square foot second [Btu_IT/(ft² · s)]	watt per square meter (W/m²)  	1.135 653	E+04
#British thermal unit per square foot second [Btu_th/(ft² · s)]	watt per square meter (W/m²)  	1.134 893	E+04
#British thermal unit per square inch second [Btu_th/(in 2 · s)]	watt per square meter (W/m²)  	1.634 246	E+06
#calorie per square centimeter minute [cal_th/(cm² · min)]	watt per square meter (W/m²)  	6.973 333	E+02
#calorie per square centimeter second [cal_th/(cm² · s)]	watt per square meter (W/m²))  	4.184	E+04
 
#Fuel Consumption	(m³/J)
#To convert from	to	Multiply by
#gallon (U.S.) per horsepower hour [gal/(hp · h)]	cubic meter per joule (m³/J)	1.410 089	E-09
#gallon (U.S.) per horsepower hour [gal/(hp · h)]	liter per joule (L/J)	1.410 089	E-06
#mile per gallon (U.S.) (mpg) (mi/gal)	kilometer per liter (km/L)	4.251 437	E-01
#mile per gallon (U.S.) (mpg) (mi/gal)	meter per cubic meter (m/m³)	4.251 437	E+05
#mile per gallon (U.S.) (mpg) (mi/gal)	liter per 100 kilometer (L/100 km)	divide 235.215 by number of miles per gallon
#pound per horsepower hour [lb/(hp · h)]	kilogram per joule (kg/J)	1.689 659	E-07

#Heat Capacity and Entropy	(J/K)
#To convert from	to	Multiply by
##British thermal unitIT per degree Fahrenheit (Btu_IT/°F)	joule per kelvin (J/K)	1.899 101	E+03
#British thermal unit per degree Fahrenheit (Btu_th/°F)	joule per kelvin (J/K)	1.897 830	E+03
##British thermal unitIT per degree Rankine (Btu_IT/°R)	joule per kelvin (J/K)	1.899 101	E+03
#British thermal unit per degree Rankine (Btu_th/°R)	joule per kelvin (J/K)	1.897 830	E+03
 
Heat Flow Rate	(W)
To convert from	to	Multiply by
#British thermal unitIT per hour (Btu_IT/h)	watt (W)	2.930 711	E-01
British thermal unit per hour (Btu_th/h)	watt (W)	2.928 751	E-01
British thermal unit per minute (Btu_th/min)	watt (W)	1.757 250	E+01
#British thermal unitIT per second (Btu_IT/s)	watt (W)	1.055 056	E+03
British thermal unit per second (Btu_th/s)	watt (W)	1.054 350	E+03
calorie per minute (cal_th/min)	watt (W)	6.973 333	E-02
calorie per second (cal_th/s)	watt (W)	4.184	E+00
kilocalorie per minute (kcal_th/min)	watt (W)	6.973 333	E+01
kilocalorie per second (kcal_th/s)	watt (W)	4.184	E+03
#ton of refrigeration (12 000 BtuIT/h)	watt (W)	3.516 853	E+03
kilowatt (kW)	watt (W)	1.0	E+03
megawatt (MW)	watt (W)	1.0	E+06
gigawatt (GW)	watt (W)	1.0	E+09
kilojoule per second (kJ/s)	watt (W)	1.0	E+03

#Specific Heat Capacity and Specific Entropy	[J/(kg · K)]
#To convert from	to	Multiply by
##British thermal unitIT per pound degree Fahrenheit [Btu_IT/(lb · °F)]	joule per kilogram kelvin [J/(kg · K)]	4.1868	E+03
#British thermal unit per pound degree Fahrenheit [Btu_th/(lb · °F)]	joule per kilogram kelvin [J/(kg · K)]	4.184	E+03
##British thermal unitIT per pound degree Rankine [Btu_IT/(lb · °R)]	joule per kilogram kelvin [J/(kg · K)]	4.1868	E+03
#British thermal unit per pound degree Rankine [Btu_th/(lb · °R)]	joule per kilogram kelvin [J/(kg · K)]	4.184	E+03
##calorieIT per gram degree Celsius [cal_IT/(g · °C)]	joule per kilogram kelvin [J/(kg · K)]	4.1868	E+03
#calorie per gram degree Celsius [cal_th/(g · °C)]	joule per kilogram kelvin [J/(kg · K)]	4.184	E+03
##calorieIT per gram kelvin [cal_IT/(g · K)]	joule per kilogram kelvin [J/(kg · K)]	4.1868	E+03
#calorie per gram kelvin [cal_th/(g · K)]	joule per kilogram kelvin [J/(kg · K)]	4.184	E+03

#Thermal Conductivity	[W/(m · K)]
#To convert from	to	Multiply by	[W/(m · K)]
##Britsh thermal unitIT foot per hour square foot degree Fahrenheit [Btu_IT · ft/(h · ft² · °F)]	watt per meter kelvin [W/(m · K)]	1.730 735	E+00
#Britsh thermal unit foot per hour square foot degree Fahrenheit [Btu_th · ft/(h · ft² · °F)]	watt per meter kelvin [W/(m · K)]	1.729 577	E+00
##Britsh thermal unitIT inch per hour square foot degree Fahrenheit [Btu_IT · in/(h · ft² · °F)]	watt per meter kelvin [W/(m · K)]	1.442 279	E-01
#Britsh thermal unit inch per hour square foot degree Fahrenheit [Btu_th · in/(h · ft² · °F)]	watt per meter kelvin [W/(m · K)]	1.441 314	E-01
##Britsh thermal unitIT inch per second square foot degree Fahrenheit [Btu_IT · in/(s · ft² · °F)]	watt per meter kelvin [W/(m · K)]	5.192 204	E+02
#Britsh thermal unit inch per second square foot degree Fahrenheit [Btu_th · in/(s · ft² · °F)]	watt per meter kelvin [W/(m · K)]	5.188 732	E+02
#calorie per centimeter second degree Celsius [cal_th/(cm · s · °C)]	watt per meter kelvin [W/(m · K)]	4.184	E+02

#Thermal Diffusivity	(m²/s)
#To convert from	to	Multiply by
#square foot per hour (ft²/h)	square meter per second (m²/s)	2.580 64	E-05

#Thermal Insulance	(m² · K/W)
#To convert from	to	Multiply by
##clo	square meter kelvin per watt (m² · K/W)	1.55	E-01
##degree Fahrenheit hour square foot per British thermal unitIT(°F · h · ft²/BtuIT)	square meter kelvin per watt (m² · K/W)	1.761 102	E-01
#degree Fahrenheit hour square foot per British thermal unit (°F · h · ft²/Btu_th)	square meter kelvin per watt (m² · K/W)	1.762 280	E-01

#Thermal Resistance	(K/W)
#To convert from	to	Multiply by
##degree Fahrenheit hour per British thermal unitIT(°F · h/Btu_IT)	kelvin per watt (K/W)	1.895 634	E+00
#degree Fahrenheit hour per British thermal unit (°F · h/Btu_th)	kelvin per watt (K/W)	1.896 903	E+00
##degree Fahrenheit second per British thermal unitIT(°F · s/Btu_IT)	kelvin per watt (K/W)	5.265 651	E-04
#degree Fahrenheit second per British thermal unit (°F · s/Btu_th)	kelvin per watt (K/W)	5.269 175	E-04

#Thermal Resistivity	(m · K/W)
#To convert from	to	Multiply by
##degree Fahrenheit hour square foot per British thermal unitIT inch [°F · h · ft²/(Btu_IT · in)]	meter kelvin per watt (m · K/W)	6.933 472	E+00
#degree Fahrenheit hour square foot per British thermal unit inch [°F · h · ft²/(Btu_th · in)]	meter kelvin per watt (m · K/W)	6.938 112	E+04

LENGTH	(m)
To convert from	to	Multiply by
ångström(Å)	meter (m)	1.0	E-10
astronomical unit (ua)	meter (m)	1.495 979	E+11
#chain (based on U.S. survey foot) (ch)	meter (m)	2.011 684	E+01
centimeter (cm)	meter (m)	1	E-02
#fathom (based on U.S. survey foot)	meter (m)	1.828 804	E+00
#fermi	meter (m)	1.0	E-15
#fermi	femtometer (fm)	1.0	E+00
foot (ft)	meter (m)	3.048	E-01
#foot (U.S. survey) (ft)	meter (m)	3.048 006	E-01
inch (in)	meter (m)	2.54	E-02
#kayser (K)	reciprocal meter (m-1)	1	E+02
kilometer (km)	meter (m)	1	E+03
light year (l. y.)	meter (m)	9.460 73	E+15
microinch	meter (m)	2.54	E-08
micron (μ)	meter (m)	1.0	E-06
mil (0.001 in)	meter (m)	2.54	E-05
mile (mi)	meter (m)	1.609 344	E+03
#mile (based on U.S. survey foot) (mi)	meter (m)	1.609 347	E+03
mile, nautical	meter (m)	1.852	E+03
millimeter (mm)	meter (m)	1	E-03
parsec (pc)	meter (m)	3.085 678	E+16
#pica (computer) (1/6 in)	meter (m)	4.233 333	E-03
#pica (printer's)	meter (m)	4.217 518	E-03
#point (computer) (1/72 in)	meter (m)	3.527 778	E-04
#point (printer's)	meter (m)	3.514 598	E-04
#rod (based on U.S. survey foot) (rd)	meter (m)	5.029 210	E+00
yard (yd)	meter (m)	9.144	E-01

#LIGHT	(cd/m²)
#To convert from	to	Multiply by
#candela per square inch (cd/in²)	candela per square meter (cd/m²)	1.550 003	E+03
#footcandle	lux (lx)	1.076 391	E+01
#footlambert	candela per square meter (cd/m²)	3.426 259	E+00
#lambert	candela per square meter (cd/m²)	3.183 099	E+03
#lumen per square foot (lm/ft²)	lux (lx)	1.076 391	E+01
#phot (ph)	lux (lx)	1.0	E+04
#stilb (sb)	candela per square meter (cd/m²)	1.0	E+04

MASS	(kg)
To convert from	to	Multiply by
#carat, metric	kilogram (kg)	2.0	E-04
#carat, metric	gram (g)	2.0	E-01
#grain (gr)	kilogram (kg)	6.479 891	E-05
#grain (gr)	milligram (mg)	6.479 891	E+01
#hundredweight (long, 112 lb)	kilogram (kg)	5.080 235	E+01
#hundredweight (short, 100 lb)	kilogram (kg)	4.535 924	E+01
#kilogram-force second squared per meter (kgf · s²/m)	kilogram (kg)	9.806 65	E+00
ounce (avoirdupois) (oz)	kilogram (kg)	2.834 952	E-02
ounce (troy or apothecary) (oz_t)	kilogram (kg)	3.110 348	E-02
#pennyweight (dwt)	kilogram (kg)	1.555 174	E-03
pound (avoirdupois) (lb)	kilogram (kg)	4.535 924	E-01
pound (troy or apothecary) (lb_t)	kilogram (kg)	3.732 417	E-01
#pound foot squared (lb · ft²)	kilogram meter squared (kg · m²)	4.214 011	E-02
#pound inch squared (lb · in²)	kilogram meter squared (kg · m²)	2.926 397	E-04
slug (slug)	kilogram (kg)	1.459 390	E+01
ton, assay (AT)	kilogram (kg)	2.916 667	E-02
tonne (called "metric ton" in U.S.) (tonne)	kilogram (kg)	1.0	E+03
ton, long (ton_long)	kilogram (kg)	1.016 047	E+03
ton, short (ton_short)	kilogram (kg)	9.071 8474	E+02
gram (g)	kilogram (kg)	1.0	E-03
 
#MASS DIVIDED BY AREA	(kg/m²)
#To convert from	to	Multiply by
#ounce (avoirdupois) per square foot (oz/ft²)	kilogram per square meter (kg/m²)	3.051 517	E-01
#ounce (avoirdupois) per square inch (oz/in²)	kilogram per square meter (kg/m²)	4.394 185	E+01
#ounce (avoirdupois) per square yard (oz/yd²)	kilogram per square meter (kg/m²)	3.390 575	E-02
#pound per square foot (lb/ft²)	kilogram per square meter (kg/m²)	4.882 428	E+00
#pound per square inch (not pound force) (lb/in²)	kilogram per square meter (kg/m²)	7.030 696	E+02

#MASS DIVIDED BY LENGTH	(kg/m)
#To convert from	to	Multiply by
##denier	kilogram per meter (kg/m)	1.111 111	E-07
##denier	gram per meter (g/m)	1.111 111	E-04
#pound per foot (lb/ft)	kilogram per meter (kg/m)	1.488 164	E+00
#pound per inch (lb/in)  	kilogram per meter (kg/m)	1.785 797	E+01
#pound per yard(lb/yd)  	kilogram per meter (kg/m)	4.960 546	E-01
##tex	kilogram per meter (kg/m)	1.0	E-06

MASS FLOW	(kg/s)
To convert from	to	Multiply by
kilogram per hour (kg/h)	kilogram per second (kg/s)	2.777 778	E-04
pound per hour (lb/h)	kilogram per second (kg/s)	1.259 979	E-04
pound per minute (lb/min)	kilogram per second (kg/s)	7.559 873	E-03
pound per second (lb/s)	kilogram per second (kg/s)	4.535 924	E-01
ton, short, per hour (ton_short/h)	kilogram per second (kg/s)	2.519 958	E-01
tonne per hour (tonne/h)	kilogram per second (kg/s)	2.777 778	E-01

MASS DENSITY	(kg/m³)
To convert from	to	Multiply by
#grain per gallon (U.S.) (gr/gal)	kilogram per cubic meter (kg/m³)	1.711 806	E-02
#grain per gallon (U.S.) (gr/gal)	milligram per liter (mg/L)	1.711 806	E+01
gram per cubic centimeter (g/cm³)	kilogram per cubic meter (kg/m³)	1.0	E+03
#ounce (avoirdupois) per cubic inch (oz/in³)	kilogram per cubic meter (kg/m³)	1.729 994	E+03
#ounce (avoirdupois) per gallon [Canadian and U.K. (Imperial)] (oz/gal)	kilogram per cubic meter (kg/m³)	6.236 023	E+00
#ounce (avoirdupois) per gallon [Canadian and U.K. (Imperial)] (oz/gal)	gram per liter (g/L)	6.236 023	E+00
#ounce (avoirdupois) per gallon (U.S.) (oz/gal)	kilogram per cubic meter (kg/m³)	7.489 152	E+00
#ounce (avoirdupois) per gallon (U.S.) (oz/gal)	gram per liter (g/L)	7.489 152	E+00
pound per cubic foot (lb/ft³)	kilogram per cubic meter (kg/m³)	1.601 846	E+01
pound per cubic inch (lb/in³)	kilogram per cubic meter (kg/m³)	2.767 990	E+04
pound per cubic yard (lb/yd³)	kilogram per cubic meter (kg/m³)	5.932 764	E-01
#pound per gallon [Canadian and U.K. (Imperial)] (lb/gal)	kilogram per cubic meter (kg/m³)	9.977 637	E+01
#pound per gallon [Canadian and U.K. (Imperial)] (lb/gal)	kilogram per liter (kg/L)	9.977 637	E-02
#pound per gallon (U.S.) (lb/gal)	kilogram per cubic meter (kg/m³)	1.198 264	E+02
#pound per gallon (U.S.) (lb/gal)	kilogram per liter (kg/L)	1.198 264	E-01
#slug per cubic foot (slug/ft³)	kilogram per cubic meter (kg/m³)	5.153 788	E+02
ton, long, per cubic yard (ton_long/yd³)	kilogram per cubic meter (kg/m³)	1.328 939	E+03
ton, short, per cubic yard (ton_short/yd³)	kilogram per cubic meter (kg/m³)	1.186 553	E+03

#TORQUE	(N · m)
#To convert from	to	Multiply by
#dyne centimeter (dyn · cm)	newton meter (N · m)	1.0	E-07
##kilogram-force meter (kgf · m)	newton meter (N · m)	9.806 65	E+00
##ounce (avoirdupois)-force inch (ozf · in)	newton meter (N · m)	7.061 552	E-03
##ounce (avoirdupois)-force inch (ozf · in)	millinewton meter (mN · m)	7.061 552	E+00
#pound-force foot (lbf · ft)	newton meter (N · m)	1.355 818	E+00
#pound-force inch (lbf · in)	newton meter (N · m)	1.129 848	E-01

#TORQUE DIVIDED BY LENGTH	(N · m/m)
#To convert from	to	Multiply by
#pound-force foot per inch (lbf · ft/in)	newton meter per meter (N · m/m)	5.337 866	E+01
#pound-force inch per inch (lbf · in/in)	newton meter per meter (N · m/m)	4.448 222	E+00

#PERMEABILITY	[kg/(Pa · s · m²)]
#To convert from	to	Multiply by
#darcy 14	meter squared (m²)	9.869 233	E-13
#perm (0 °C)	kilogram per pascal second square meter [kg/(Pa · s · m²)]	5.721 35	E-11
#perm (23 °C)	kilogram per pascal second square meter [kg/(Pa · s · m²)]	5.745 25	E-11
#perm inch (0 °C)	kilogram per pascal second meter [kg/(Pa · s · m)]	1.453 22	E-12
#perm inch (23 °C)	kilogram per pascal second meter [kg/(Pa · s · m)]	1.459 29	E-12

POWER	(W)
To convert from	to	Multiply by
#erg per second (erg/s)	watt (W)	1.0	E-07
foot pound-force per hour (ft · lbf/h)	watt (W)	3.766 161	E-04
foot pound-force per minute (ft · lbf/min)	watt (W)	2.259 697	E-02
foot pound-force per second (ft · lbf/s)	watt (W)	1.355 818	E+00
horsepower (550 ft · lbf/s)	watt (W)	7.456 999	E+02
horsepower (boiler)	watt (W)	9.809 50	E+03
horsepower (electric)	watt (W)	7.46	E+02
horsepower (metric)	watt (W)	7.354 988	E+02
#horsepower (U.K.)	watt (W)	7.4570	E+02
#horsepower (water)	watt (W)	7.460 43	E+02
kilowatt (kW)	watt (W)	1.0	E+03
megawatt (MW)	watt (W)	1.0	E+06
gigawatt (GW)	watt (W)	1.0	E+09

PRESSURE	(Pa)
To convert from	to	Multiply by
atmosphere, standard (atm)	pascal (Pa)	1.013 25	E+05
#atmosphere, technical (at)	pascal (Pa)	9.806 65	E+04
bar (bar)	pascal (Pa)	1.0	E+05
#centimeter of mercury (0 °C)	pascal (Pa)	1.333 22	E+03
#centimeter of mercury, conventional (cmHg)	pascal (Pa)	1.333 224	E+03
#centimeter of water (4 °C)	pascal (Pa)	9.806 38	E+01
#centimeter of water, conventional (cmH2O)	pascal (Pa)	9.806 65	E+01
#dyne per square centimeter (dyn/cm²)	pascal (Pa)	1.0	E-01
#foot of mercury, conventional (ftHg)	pascal (Pa)	4.063 666	E+04
#foot of water (39.2 °F)	pascal (Pa)	2.988 98	E+03
#foot of water, conventional (ftH2O)	pascal (Pa)	2.989 067	E+03
#gram-force per square centimeter (gf/cm²)	pascal (Pa)	9.806 65	E+01
#inch of mercury (32 °F)	pascal (Pa)	3.386 38	E+03
#inch of mercury (60 °F)	pascal (Pa)	3.376 85	E+03
#inch of mercury, conventional (inHg)	pascal (Pa)	3.386 389	E+03
#inch of water (39.2 °F)	pascal (Pa)	2.490 82	E+02
#inch of water (60 °F)	pascal (Pa)	2.4884	E+02
#inch of water, conventional (inH2O)	pascal (Pa)	2.490 889	E+02
#kilogram-force per square centimeter (kgf/cm²)	pascal (Pa)	9.806 65	E+04
#kilogram-force per square meter (kgf/m²)	pascal (Pa)	9.806 65	E+00
#kilogram-force per square millimeter (kgf/mm²)	pascal (Pa)	9.806 65	E+06
kilopascal (kPa)	pascal (Pa)	1.0	E+03
#kip per square inch (ksi) (kip/in²)	pascal (Pa)	6.894 757	E+06
millibar (mbar)	pascal (Pa)	1.0	E+02
#millimeter of mercury, conventional (mmHg)	pascal (Pa)	1.333 224	E+02
#millimeter of water, conventional (mmH2O)	pascal (Pa)	9.806 65	E+00
#poundal per square foot	pascal (Pa)	1.488 164	E+00
pound-force per square foot (lbf/ft²)	pascal (Pa)	4.788 026	E+01
pound-force per square inch (psi) (lbf/in²)	pascal (Pa)	6.894 757	E+03
psi (pound-force per square inch) (lbf/in²)	pascal (Pa)	6.894 757	E+03
#torr (Torr)	pascal (Pa)	1.333 224	E+02

TIME	(s)
To convert from	to	Multiply by
day (d)	second (s)	8.64	E+04
#day (sidereal)	second (s)	8.616 409	E+04
hour (h)	second (s)	3.6	E+03
#hour (sidereal)	second (s)	3.590 170	E+03
minute (min)	second (s)	6.0	E+01
#minute (sidereal)	second (s)	5.983 617	E+01
#second (sidereal)	second (s)	9.972 696	E-01
#shake	second (s)	1.0	E-08
#shake	nanosecond (ns)	1.0	E+01
year (yr)	second (s)	3.1536	E+07
#year (sidereal)	second (s)	3.155 815	E+07
#year (tropical)	second (s)	3.155 693	E+07

VELOCITY	(m/s)
To convert from	to	Multiply by
foot per hour (ft/h)	meter per second (m/s)	8.466 667	E-05
foot per minute (ft/min)	meter per second (m/s)	5.08	E-03
foot per second (ft/s)	meter per second (m/s)	3.048	E-01
inch per second (in/s)	meter per second (m/s)	2.54	E-02
kilometer per hour (km/h)	meter per second (m/s)	2.777 778	E-01
knot (nautical mile per hour)	meter per second (m/s)	5.144 444	E-01
mile per hour (mi/h)	meter per second (m/s)	4.4704	E-01
mile per minute (mi/min)	meter per second (m/s)	2.682 24	E+01
mile per second (mi/s)	meter per second (m/s)	1.609 344	E+03
#revolution per minute (rpm) (r/min)	radian per second (rad/s)	1.047 198	E-01
#rpm (revolution per minute) (r/min)	radian per second (rad/s)	1.047 198	E-01

VISCOSITY, DYNAMIC	(Pa · s)
To convert from	to	Multiply by
centipoise (cP)	pascal second (Pa · s)	1.0	E-03
poise (P)	pascal second (Pa · s)	1.0	E-01
#poundal second per square foot	pascal second (Pa · s)	1.488 164	E+00
pound-force second per square foot (lbf · s/ft²)	pascal second (Pa · s)	4.788 026	E+01
pound-force second per square inch (lbf · s/in²)	pascal second (Pa · s)	6.894 757	E+03
pound per foot hour [lb/(ft · h)]	pascal second (Pa · s)	4.133 789	E-04
pound per foot second [lb/(ft · s)]	pascal second (Pa · s)	1.488 164	E+00
#rhe	reciprocal pascal second [(Pa · s)-1]	1.0	E+01
slug per foot second [slug/(ft · s)]	pascal second (Pa · s)	4.788 026	E+01

VISCOSITY, KINEMATIC	(m²/s)
To convert from	to	Multiply by
centistokes (cSt)	meter squared per second (m²/s)	1.0	E-06
square foot per second (ft²/s)	meter squared per second (m²/s)	9.290 304	E-02
stokes (St)	meter squared per second (m²/s)	1.0	E-04

VOLUME	(m³)
To convert from	to	Multiply by
#acre-foot (based on U.S. survey foot)	cubic meter (m³)	1.233 489	E+03
barrel [for petroleum, 42 gallons (U.S.)](bbl)	cubic meter (m³)	1.589 873	E-01
#bushel (U.S.) (bu)	cubic meter (m³)	3.523 907	E-02
#cord (128 ft³)	cubic meter (m³)	3.624 556	E+00
cubic foot (ft³)	cubic meter (m³)	2.831 685	E-02
cubic inch (in³)	cubic meter (m³)	1.638 706	E-05
cubic mile (mi³)	cubic meter (m³)	4.168 182	E+09
cubic yard (yd³)	cubic meter (m³)	7.645 549	E-01
#cup (U.S.)	cubic meter (m³)	2.365 882	E-04
gallon [Canadian and U.K. (Imperial)] (gal)	cubic meter (m³)	4.546 09	E-03
gallon (U.S.) (gal_us)	cubic meter (m³)	3.785 412	E-03
#gill [Canadian and U.K. (Imperial)] (gi)	cubic meter (m³)	1.420 653	E-04
#gill (U.S.) (gi)	cubic meter (m³)	1.182 941	E-04
liter (L)	cubic meter (m³)	1.0	E-03
ounce [Canadian and U.K. fluid (Imperial)] (fl oz)	cubic meter (m³)	2.841 306	E-05
ounce (U.S. fluid) (fl oz_us)	cubic meter (m³)	2.957 353	E-05
#peck (U.S.) (pk)	cubic meter (m³)	8.809 768	E-03
#pint (U.S. dry) (dry pt)	cubic meter (m³)	5.506 105	E-04
#pint (U.S. liquid) (liq pt)	cubic meter (m³)	4.731 765	E-04
#quart (U.S. dry) (dry qt)	cubic meter (m³)	1.101 221	E-03
#quart (U.S. liquid) (liq qt)	cubic meter (m³)	9.463 529	E-04
#stere (st)	cubic meter (m³)	1.0	E+00
#tablespoon	cubic meter (m³)	1.478 676	E-05
#teaspoon	cubic meter (m³)	4.928 922	E-06
#ton, register	cubic meter (m³)	2.831 685	E+00
thousand standard cubic feet (mscf @ 60°F)	cubic meter (m³)	2.831 68466	E+01
million standard cubic feet (mmscf @ 60°F)	cubic meter (m³)	2.831 68466	E+04
billion standard cubic feet (bcf @ 60°F)	cubic meter (m³)	2.831 68466	E+07
thousand barrels (mbbl)	cubic meter (m³)	1.589 873	E+02
million barrels (mmbbl)	cubic meter (m³)	1.589 873	E+05

VOLUMETRIC FLOW	(m³/s)
To convert from	to	Multiply by
liter per second (L/s)	cubic meter per second (m³/s)	1	E-03
cubic foot per minute (ft³/min)	cubic meter per second (m³/s)	4.719 474	E-04
cubic foot per second (ft³/s)	cubic meter per second (m³/s)	2.831 685	E-02
cubic inch per minute (in³/min)	cubic meter per second (m³/s)	2.731 177	E-07
cubic yard per minute (yd³/min)	cubic meter per second (m³/s)	1.274 258	E-02
gallon (U.S.) per day (gal/d)	cubic meter per second (m³/s)	4.381 264	E-08
gallon (U.S.) per minute (gpm) (gal/min)	cubic meter per second (m³/s)	6.309 020	E-05
cubic meter per hour (m³/h)	cubic meter per second (m³/s)	2.777 778	E-04
cubic meter per day (m³/d)	cubic meter per second (m³/s)	1.157 407	E-05
barrels per hour (bbl/s)	cubic meter per second (m³/s)	1.589 873	E-01
barrels per hour (bbl/h)	cubic meter per second (m³/s)	4.416 313	E-05
barrels per day (bbl/d)	cubic meter per second (m³/s)	1.840 131	E-06
barrels per period (bbl/period)	cubic meter per second (m³/s)	1.589 873	E-01
thousand standard cubic feet per second (mscf @ 60°F/s)	cubic meter per second (m³/s)	2.831 68466	E+01
thousand standard cubic feet per hour (mscf @ 60°F/h)	cubic meter per second (m³/s)	7.865 791	E-03
thousand standard cubic feet per day (mscf @ 60°F/d)	cubic meter per second (m³/s)	3.277 41280093	E-04
million standard cubic feet per day (mmscf @ 60°F/d)	cubic meter per second (m³/s)	3.277 41280093	E-01

VOLUME PER VOLUME	(m³/m³)
To convert from	to	Multiply by
barrel per million standard cubic feet (bbl/mmscf @ 60°F)	cubic meter per cubic meter (m³/m³)	5.614583	E-06
million standard cubic feet per barrel (mmscf @ 60°F/bbl)	cubic meter per cubic meter (m³/m³)	1.781076	E-07

TEMPERATURE	(K)
To convert from	to	Multiply by
degree Celsius (°C)	kelvin (K)	T/K = t/°C + 273.15
degree Fahrenheit (°F)	kelvin (K)	T/K = (t/°F + 459.67)/1.8
degree Rankine (°R)	kelvin (K)	T/K = (T/°R)/1.8

DIFFERENTIAL TEMPERATURE	(K)
To convert from	to	Multiply by
degree Celsius (°C)	kelvin (K)	1.0	E+00
degree Fahrenheit (°F)	kelvin (K)	5.555 556	E-01
degree Rankine (°R)	kelvin (K)	5.555 556	E-01

#RADIOLOGY
#To convert from	to	Multiply by
#curie (Ci)	becquerel (Bq)	3.7	E+10
#rad (absorbed dose) (rad)	gray (Gy)	1.0	E-02
#rem (rem)	sievert (Sv)	1.0	E-02
#roentgen (R)	coulomb per kilogram (C/kg)	2.58	E-04

COUNT	()
To convert from	to	Multiply by

MASS FRACTION	(kg/kg)
To convert from	to	Multiply by
gram per kilogram (g/kg)	kilogram per kilogram (kg/kg)	1.00	E-03
gram per tonne (g/tonne)	kilogram per kilogram (kg/kg)	1.00	E-06
ounces (avoirdupois) per ton, short (oz/ton_short)	kilogram per kilogram (kg/kg)	3.125 000	E-05
ounces (troy or apothecary) per ton, short (oz_t/ton_short)	kilogram per kilogram (kg/kg)	3.428572	E-05
percent (%)	kilogram per kilogram (kg/kg)	1.00	E-02
pounds per ton, short (lb/ton_short)	kilogram per kilogram (kg/kg)	5.00	E-04
parts per million weight (ppmw)	kilogram per kilogram (kg/kg)	1.00	E-06
unit-less ()	kilogram per kilogram (kg/kg)	1.00	E+00

FRACTION	()
To convert from	to	Multiply by
percent (%)	 fraction ()	1.00	E-02

CURRENCY	($)
To convert from	to	Multiply by

GENERIC RATE	(units/s)
To convert from	to	Multiply by
units per minute (units/min)	units per second (units/s)	1.666 667	E-02
units per hour (units/h)	units per second (units/s)	2.777 777777777778	E-04
units per day (units/d)	units per second (units/s)	1.157 407407407407407	E-05
