UtilityLast updated: 2026-08-11

Tax Calculator

Calculate tax-included and tax-excluded prices with automatic tax amounts. Supports 10%, 8% and custom rates.

Tax excluded

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Tax amount

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Tax included

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How to use

  1. 1

    Enter amount

    Enter the amount to calculate.

  2. 2

    Choose tax rate

    Select 10%, 8% or a custom rate.

  3. 3

    Check result

    Tax-included/excluded prices and the tax amount are shown automatically.

Features

  • Convert between tax-included and tax-excluded prices
  • Supports 10%, 8% and custom rates
  • Tax amount shown automatically
  • Rounded results

Use cases

Verify receipts

Reverse-calculate tax-excluded prices from tax-included receipt amounts.

Prepare quotes and invoices

Compute tax-included totals and tax amounts for accurate documents.

Price restaurant items

Calculate tax-included prices for items under the reduced 8% rate.

Details

The tax calculator quickly converts between tax-included and tax-excluded prices. Use it to check receipts, prepare quotes, or calculate tax on invoices.

In addition to the standard 10% and reduced 8% rates, you can set any custom rate from 0% to 99%. Reverse calculation from tax-included prices is also supported.

Formula: tax-included = tax-excluded × (1 + rate). Reverse: tax-excluded = tax-included ÷ (1 + rate). Fractions are rounded.

FAQ

Can I change the tax rate?

Yes. In addition to the 10% and 8% presets, you can set a custom rate from 0% to 99%.

Can I reverse-calculate from tax-included prices?

Yes. Enter the amount in "tax-included" mode to get the tax-excluded price and tax amount.

Does it support the reduced 8% rate?

Yes. Select 8% for items eligible for the reduced rate, such as food and beverages.

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