# estimateAddPiecesCalldataSize

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

Defined in: [packages/synapse-core/src/sp/add-pieces-fits.ts:107](https://github.com/FilOzone/synapse-sdk/blob/bcd690c573056a1419f88ce3951cadec6ba4a8b0/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`