Sales Tax Calculator

Add tax to a price, or work out the price before tax from a total, with support for two tax rates. It runs in your browser.

100.00Price before tax
13.00Tax
113.00Total

Supports two rates (for example GST and PST). Calculators give estimates for planning, not financial advice.

How to use it

  1. 1

    Enter the price

    The price before tax, or a total to work backwards from.

  2. 2

    Choose add or remove

    Add tax to a price, or remove it from a total.

  3. 3

    Enter the rate

    Add a second rate too, for places with two taxes.

Questions about sales tax calculator

Can it handle two taxes?

Yes. Enter both rates, for example GST and PST, and they are combined.

How does "remove tax" work?

It finds the price before tax that, with tax added, equals the total you entered.

Is my information private?

Yes. It is worked out on your device.

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