Percentage of a number
Everyday
Use the free tip amount calculator. Enter bill, tip (%) to get a result, with a formula and worked example.
This tool calculates tip amount from Bill, Tip (%). Enter each quantity in its labelled field, then use the formula below to check the calculation.
bill × tip ÷ 100
Applying the formula to these values gives 7.5 .
Work out percentages, discounts, bill splits, recipe amounts and other everyday numbers. Each tool shows its formula and a worked example.
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