Everyday Calculators

Clear answers for everyday numbers

Percentage Calculator

Find a percentage of a number, compare two numbers, or calculate percentage change.

Find your age in years, months, and days, plus total months and days.

Estimate adult body mass index from height and weight.

Calculate the sale price, savings, and optional tax after a discount.

Estimate a fixed monthly payment and total interest on a loan.

Add VAT to a net price or remove it from a tax-inclusive amount.

Calculate the tip and split the total bill evenly between people.

Convert gross hourly, weekly, monthly, and annual pay before taxes.

Find gross profit, margin, and markup from cost and selling price.

Convert length, weight, temperature, and speed with clear units.

Transparent, browser-based arithmetic.