Discount Calculator
Find the real price after a discount — including “an extra 10% off” on top of a sale.
CalculatorsMoney and Shopping Calculators
Most money questions come down to a few formulas: a percentage off, a percentage on top, or interest over time. These calculators do the arithmetic and show the formula, so you can see where each number comes from.
Results are estimates for planning, not financial advice. Banks and shops may round, add fees or calculate interest differently.
Tip Calculator
Work out the tip and split the bill evenly, to the cent, between any number of people.
CalculatorsSales Tax Calculator
Add sales tax to a price, or take VAT or GST out of a price that already includes it.
CalculatorsLoan Calculator
See the monthly payment and total interest for a mortgage, car loan or personal loan, year by year.
CalculatorsCompound Interest Calculator
Project how savings grow with compound interest and regular monthly deposits.
CalculatorsSimple Interest Calculator
Calculate interest on the original amount only, as many short-term loans and bonds do.
CalculatorsPercentage Calculator
Find a percentage of any amount, or the percentage change between two prices.
Calculators
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Meta tags, social previews, robots.txt and sitemaps — the technical basics every website needs.
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