Calculators

Tax Calculator

Calculate net amount, tax and gross amount using a rate you enter.

Processed locally

Manual illustrative rate only; no official rate, jurisdiction, filing rule or invoice-rounding policy. One currency, no conversion.

Your answer will appear here.

Help and method

Exclusive input: tax = amount × rate/100; gross = net + tax. Inclusive input: net = amount ÷ (1 + rate/100). The entered rate applies once.

GOV.UKMethods and reliability

Worked example

An example you can try or adapt to your own values.

Currency
USD
Amount
120
Manual tax rate (%)
20
Entered amount is
Tax-inclusive

Result

Net amount: USD 100.00; Tax amount: USD 20.00; Gross amount: USD 120.00