[Home](./index.md) > [bitburner](./bitburner.md) > [WarehouseAPI](./bitburner.warehouseapi.md) > [getUpgradeWarehouseCost](./bitburner.warehouseapi.getupgradewarehousecost.md) ## WarehouseAPI.getUpgradeWarehouseCost() method Get the cost to upgrade a warehouse to the next level. **Signature:** ```typescript getUpgradeWarehouseCost(divisionName: string, city: CityName, amt?: number): number; ``` ## Parameters

Parameter	Type	Description
divisionName	string	Name of the division
city	[CityName](./bitburner.cityname.md)	Name of the city
amt	number	_(Optional)_ Amount of upgrades. Optional. Defaults to 1.

**Returns:** number Cost to upgrade ## Remarks RAM cost: 10 GB