---
title: "getByteLength"
source: "https://github.com/remix-run/remix/blob/main/packages/lazy-file/src/lib/byte-range.ts#L24"
---

# getByteLength

## Summary

Returns the length of the byte range in a buffer of the given `size`.

## Signature

```ts
function getByteLength(range: ByteRange, size: number): number

```

## Parameters

### `range`

The byte range

### `size`

The total size of the buffer

## Returns

The length of the byte range