The everyday toolkit
VAT / Tax Calculator
Add tax to a net amount or extract included tax using your chosen rate.
Free · No account needed · Calculated in your browserEnter your values
Your result
A clear answer starts here.
Enter your values and choose Calculate to see the result. Changing a value clears the previous answer.
Results are rounded to two decimal places for display. Calculations use unrounded values. Use the same currency for all monetary inputs.
How this calculator works
Enter the tax rate that applies to your purchase. This tool applies one flat rate; it does not determine which rate or exemptions apply.
Add tax: gross = net × (1 + rate ÷ 100). Extract tax: net = gross ÷ (1 + rate ÷ 100). Tax = gross − net.