StockCalc
Practical calculations for the stockroom, cellar and bar.
Switch between everyday arithmetic and stock conversions in one app. Work with bottles, UK gallons and litres, or turn postmix weights into litres, even when there is no internet connection.
Built for Android and iOS. No account required. No ads or tracking.
From everyday sums to stock conversions
Calculator
Decimal arithmetic, percentages and live results, with reusable local history and copy and paste.
Bottles
Enter a quantity in one bottle size and see the equivalent quantities across linked bottle sizes.
Kegs
Convert between UK gallons and litres. Combine quantities in one expression, such as 2 × 22 + 11.
Postmix
Enter separate postmix weights to calculate litres by box size and see a combined total.
Your calculations stay with you
StockCalc saves your chosen mode, calculator history and stock inputs on your device. It has no activity logging, analytics, advertising or third-party tracking services. Local calculator history is there for you to reuse or clear; it is never sent to us.
Read the StockCalc privacy policy