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Everyday maths & percentages

Compare discounts, work out percentages and put quantities in context. Each calculator explains the starting value and the calculation.

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4 calculators

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4 calculators available.

Everyday maths & percentagesPercentage calculatorCalculate a percentage amount, percentage rate or original whole. First choose which value you want to find.

Everyday maths & percentagesPercentage change calculatorCompare two values or apply a percentage change to an original value. For two percentages, also see the difference in percentage points.

Everyday maths & percentagesDiscount calculatorCalculate the final price and savings from one discount or two successive discounts.

Everyday maths & percentagesUnit price calculatorCompare two packs using the same quantity unit and find the lower price per unit.