Recalculate space The used and allocated space can be calculated for a warehouse, location, mobile rack, pick zone and storage zone. Depending on the number of locations this action may take a few minutes! Choose Warehouse Management in the Navigation Pane. Choose the desired element (Warehouses, Locations, Pick Zones...) Select a warehouse, a location, a mobile rack, an LPN buffer or a storage zone. Click Recalculate Space in the toolbar. Confirm in the dialog box Recalculate Space. Depending on the number of locations this action may take a few minutes. The calculated value will appear in the Used Space (%) column.