# Tool.getMovementSpeedFraction

Returns the fraction of the player's movement speed in proportion to its maximum. This is affected by sprinting, crouching, blocking, aiming, etc.

**Kind:** Function

**Environments:** Game

## Game

``` { .lua .api-signature }
tool:getMovementSpeedFraction(  )
```

[Open the full Game reference](../Game-Script-Environment/Userdata/Tool.md#getmovementspeedfraction)

**Availability:** Client only

| Value | Description |
| --- | --- |
| sprinting | 1.0 |
| walking | 0.5 |
| crouching | 0.375 |
| aiming | 0.3125 |

**Parameters:**

| Name | Type | Description |
| --- | --- | --- |
| `tool` | [Tool](../Game-Script-Environment/Userdata/Tool.md) | The tool. |

**Returns:**

| Type | Description |
| --- | --- |
| number | The player's movement speed fraction. |