Meter

A graphical display of a numeric value within a range.

Storage Used

import { Meter } from '@base-ui-components/react/meter';
import styles from './index.module.css';

export default function ExampleMeter() {
  return (
    <Meter.Root className={styles.Meter} value={24}>
      <Meter.Label className={styles.Label}>Storage Used</Meter.Label>
      <Meter.Value className={styles.Value} />
      <Meter.Track className={styles.Track}>
        <Meter.Indicator className={styles.Indicator} />
      </Meter.Track>
    </Meter.Root>
  );
}

Anatomy

Import the component and assemble its parts:

Anatomy

import { Meter } from '@base-ui-components/react/meter';

<Meter.Root>
  <Meter.Label />
  <Meter.Track>
    <Meter.Indicator />
  </Meter.Track>
  <Meter.Value />
</Meter.Root>

API reference

Root

Groups all parts of the meter and provides the value for screen readers. Renders a <div> element.

value^*

number

—

Name: value
Description: The current value.
Type: number

aria-valuetext

string

—

Name: aria-valuetext
Description: A string value that provides a user-friendly name for aria-valuenow, the current value of the meter.
Type: string | undefined

getAriaValueText

function

—

Name: getAriaValueText
Description: A function that returns a string value that provides a human-readable text alternative for aria-valuenow, the current value of the meter.
Type: | ((formattedValue: string, value: number) => string) | undefined

locale

Intl.LocalesArgument

—

Name: locale
Description: The locale used by Intl.NumberFormat when formatting the value. Defaults to the user's runtime locale.
Type: Intl.LocalesArgument

min

number

0

Name: min
Description: The minimum value
Type: number | undefined
Default: 0

max

number

100

Name: max
Description: The maximum value
Type: number | undefined
Default: 100

format

Intl.NumberFormatOptions

—

Name: format
Description: Options to format the value.
Type: Intl.NumberFormatOptions | undefined

className

string | function

—

Name: className
Description: CSS class applied to the element, or a function that returns a class based on the component’s state.
Type: string | ((state: Meter.Root.State) => string)

render

ReactElement | function

—

Name: render
Description: Allows you to replace the component’s HTML element with a different tag, or compose it with another component.

Accepts a ReactElement or a function that returns the element to render.
Type: | ReactElement | (( props: HTMLProps, state: Meter.Root.State, ) => ReactElement)

Track

Contains the meter indicator and represents the entire range of the meter. Renders a <div> element.

className

string | function

—

Name: className
Description: CSS class applied to the element, or a function that returns a class based on the component’s state.
Type: string | ((state: Meter.Root.State) => string)

render

ReactElement | function

—

Name: render
Description: Allows you to replace the component’s HTML element with a different tag, or compose it with another component.

Accepts a ReactElement or a function that returns the element to render.
Type: | ReactElement | (( props: HTMLProps, state: Meter.Root.State, ) => ReactElement)

Indicator

Visualizes the position of the value along the range. Renders a <div> element.

className

string | function

—

Name: className
Description: CSS class applied to the element, or a function that returns a class based on the component’s state.
Type: string | ((state: Meter.Root.State) => string)

render

ReactElement | function

—

Name: render
Description: Allows you to replace the component’s HTML element with a different tag, or compose it with another component.

Accepts a ReactElement or a function that returns the element to render.
Type: | ReactElement | (( props: HTMLProps, state: Meter.Root.State, ) => ReactElement)

Value

A text element displaying the current value. Renders a <span> element.

children

((formattedValue: string, value: number) => ReactNode) | null

—

Name: children
Type: | ((formattedValue: string, value: number) => ReactNode) | null | undefined

className

string | function

—

Name: className
Description: CSS class applied to the element, or a function that returns a class based on the component’s state.
Type: string | ((state: Meter.Root.State) => string)

render

ReactElement | function

—

Name: render
Description: Allows you to replace the component’s HTML element with a different tag, or compose it with another component.

Accepts a ReactElement or a function that returns the element to render.
Type: | ReactElement | (( props: HTMLProps, state: Meter.Root.State, ) => ReactElement)

Label

An accessible label for the meter. Renders a <span> element.

className

string | function

—

Name: className
Description: CSS class applied to the element, or a function that returns a class based on the component’s state.
Type: string | ((state: Meter.Root.State) => string)

render

ReactElement | function

—

Name: render
Description: Allows you to replace the component’s HTML element with a different tag, or compose it with another component.

Accepts a ReactElement or a function that returns the element to render.
Type: | ReactElement | (( props: HTMLProps, state: Meter.Root.State, ) => ReactElement)