Everyday Math Calculators

Quick answers for numbers that come up every day: discounts, raises, price changes, taxes at the register and restaurant bills.

The percentage calculator puts 18 percentage tools on one page, from percent change to markup vs margin. The tip calculator splits a bill with tip, the sales tax calculator adds or removes US sales tax, and the VAT calculator does the same for VAT in the UK, EU and other countries.

All everyday math calculators

🏷️ Sales Tax Calculator

Add sales tax to a price or back it out of a total, using your combined state and local rate.

% Percentage Calculator

18 quick percentage calculators on one page: percent of, percent change, discounts, tip and tax, reverse percentage, grades, markup vs margin, percent error and more.

🧾 VAT Calculator

Add VAT to a net price or remove VAT from a gross price, with 2026 standard rates for the UK, EU countries and more, or any custom rate.

🍽️ Tip Calculator

Calculate the tip and split the bill between any number of people, with optional rounding.