# paddedSizeFor

> **paddedSizeFor**(`rawSize`): `bigint`

Defined in: [packages/synapse-core/src/piece/sizing.ts:18](https://github.com/FilOzone/synapse-sdk/blob/ea2a88fe8ec7ca9b723171e8959c45ac98b52ac1/packages/synapse-core/src/piece/sizing.ts#L18)

Padded piece size in bytes that a raw payload of `rawSize` will produce.

Returns the canonical Filecoin padded size (`2^height × 32`), always a power
of 2 × 32.

## Parameters

| Parameter | Type |
| ------ | ------ |
| `rawSize` | `number` \| `bigint` |

## Returns

`bigint`