# estimateAddPiecesCalldataSize

> **estimateAddPiecesCalldataSize**(`options`): `number`

Defined in: [packages/synapse-core/src/sp/add-pieces-fits.ts:107](https://github.com/FilOzone/synapse-sdk/blob/5a206712436ab6bcc46c2a9e3774fc873b328e0f/packages/synapse-core/src/sp/add-pieces-fits.ts#L107)

Estimated on-chain calldata size in bytes for the given piece list.

## Parameters

| Parameter | Type |
| ------ | ------ |
| `options` | [`LimiterOptions`](/reference/filoz/synapse-core/sp/type-aliases/limiteroptions/) |

## Returns

`number`