---
filename: /packages/material-ui/src/FormControl/FormControl.js
title: FormControl API
---

<!--- This documentation is automatically generated, do not try to edit it. -->

# FormControl

<p class="description">The API documentation of the FormControl React component. Learn more about the properties and the CSS customization points.</p>

```js
import FormControl from '@material-ui/core/FormControl';
```

Provides context such as filled/focused/error/required for form inputs.
Relying on the context provides high flexibilty and ensures that the state always stays
consistent across the children of the `FormControl`.
This context is used by the following components:
 - FormLabel
 - FormHelperText
 - Input
 - InputLabel

⚠️ Only one input can be used within a FormControl.

## Props

| Name | Type | Default | Description |
|:-----|:-----|:--------|:------------|
| <span class="prop-name">children</span> | <span class="prop-type">node |   | The contents of the form control. |
| <span class="prop-name">classes</span> | <span class="prop-type">object |   | Override or extend the styles applied to the component. See [CSS API](#css-api) below for more details. |
| <span class="prop-name">component</span> | <span class="prop-type">union:&nbsp;string&nbsp;&#124;<br>&nbsp;func&nbsp;&#124;<br>&nbsp;object<br> | <span class="prop-default">'div'</span> | The component used for the root node. Either a string to use a DOM element or a component. |
| <span class="prop-name">disabled</span> | <span class="prop-type">bool | <span class="prop-default">false</span> | If `true`, the label, input and helper text should be displayed in a disabled state. |
| <span class="prop-name">error</span> | <span class="prop-type">bool | <span class="prop-default">false</span> | If `true`, the label should be displayed in an error state. |
| <span class="prop-name">fullWidth</span> | <span class="prop-type">bool | <span class="prop-default">false</span> | If `true`, the component will take up the full width of its container. |
| <span class="prop-name">margin</span> | <span class="prop-type">enum:&nbsp;'none'&nbsp;&#124;<br>&nbsp;'dense'&nbsp;&#124;<br>&nbsp;'normal'<br> | <span class="prop-default">'none'</span> | If `dense` or `normal`, will adjust vertical spacing of this and contained components. |
| <span class="prop-name">required</span> | <span class="prop-type">bool | <span class="prop-default">false</span> | If `true`, the label will indicate that the input is required. |
| <span class="prop-name">variant</span> | <span class="prop-type">enum:&nbsp;'standard'&nbsp;&#124;<br>&nbsp;'outlined'&nbsp;&#124;<br>&nbsp;'filled'<br> | <span class="prop-default">'standard'</span> | The variant to use. |

Any other properties supplied will be spread to the root element (native element).

## CSS API

You can override all the class names injected by Material-UI thanks to the `classes` property.
This property accepts the following keys:


| Name | Description |
|:-----|:------------|
| <span class="prop-name">root</span> | Styles applied to the root element.
| <span class="prop-name">marginNormal</span> | Styles applied to the root element if `margin="normal"`.
| <span class="prop-name">marginDense</span> | Styles applied to the root element if `margin="dense"`.
| <span class="prop-name">fullWidth</span> | Styles applied to the root element if `fullWidth={true}`.

Have a look at [overriding with classes](/customization/overrides/#overriding-with-classes) section
and the [implementation of the component](https://github.com/mui-org/material-ui/tree/master/packages/material-ui/src/FormControl/FormControl.js)
for more detail.

If using the `overrides` key of the theme as documented
[here](/customization/themes/#customizing-all-instances-of-a-component-type),
you need to use the following style sheet name: `MuiFormControl`.

## Demos

- [Selection Controls](/demos/selection-controls/)
- [Text Fields](/demos/text-fields/)