Free calculators for the numbers that matter
Free business calculators for UK cafés, restaurants and shops: menu margin and GP after VAT, and a till cash-up — worked out with the same code DUMA runs on.
Free, no sign-upUK VAT and currencyNothing leaves your browser
- Cafés & restaurants
Menu margin & GP calculator
The gross profit and food cost of any dish or drink after VAT, and what to charge for the margin you want.
- Margin and GP after VAT
- Price for a target margin
- UK VAT at 20%, 5% or 0%
- Any till
Cash-up calculator
Count the drawer note by note, see whether it is over or short against the float and cash sales, and what to bank.
- Every UK note and coin
- Over or short, to the penny
- What to bank, what to keep
Questions about the tools
What free tools does DUMA have?
Two calculators for UK cafés, restaurants and shops. The menu margin and GP calculator works out the gross profit and food cost of a dish or drink after VAT, and the price for a target margin. The cash-up calculator counts the till drawer note by note, shows whether it is over or short, and what to bank.
Are these tools really free?
Yes. There is no sign-up, no trial and no limit on how often you use them. They are free because they are useful, and because they show the sums DUMA does for you every day.
Is anything I type sent anywhere?
No. Every calculation runs in your browser. Nothing you enter is stored or sent to DUMA.
Do the tools use the same maths as DUMA?
Yes. Each tool calls the same code as the part of DUMA it comes from — recipe costing for margin, the till cash-up for the drawer — so a figure here matches the one DUMA would show, to the penny.
These tools do one sum at a time.DUMA does them all, every day.
Join DUMA for free: every dish costed from your own stock, every till cashed up and every report built from the sales you are already taking. No card needed.