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VAT Calculator

Add or strip VAT at any rate, with presets for common countries.

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Common rates

Gross (VAT inclusive)

—

Net (before VAT)—
VAT amount—
VAT fraction—

The VAT fraction extracts VAT straight from a gross figure. At 20% it is 1/6, so VAT on 120 is 20.

Quick Tool Overview

The VAT Calculator gives the net amount, the VAT and the gross total side by side at any rate, with presets for common countries. Switch the direction depending on whether the figure you have already includes VAT — the part invoices most often get wrong.

What it does
Adds or strips VAT at any rate
You give it
An amount, a VAT rate and a direction
You get back
Net, VAT and gross figures
Best for
VAT returns, invoicing, expenses and pricing decisions
Calculators Free, unlimited use No sign-up Runs in your browser

About the VAT Calculator

Enter a figure and a VAT rate to get the net amount, the VAT and the gross total side by side. Switch the direction depending on whether the number you have already includes VAT or not, which is the part invoices most often get wrong.

Removing VAT means dividing by one plus the rate, never subtracting the percentage. At 20 percent, a gross of 120 has a net of 100 because 120 divided by 1.2 is 100; subtracting 20 percent would give 96 and understate the net by four. The gap widens at higher rates, so on a quarterly return across many lines it is a material error rather than a rounding issue. Presets cover the common European rates plus reduced and zero rates.

Key features of the VAT Calculator

Removing VAT means dividing

At 20 percent a gross of 120 has a net of 100, because 120 ÷ 1.2 = 100; subtracting 20 percent would give 96 and understate the net by four.

Material at scale

The gap widens at higher rates, so across a quarterly return it is a real error rather than a rounding issue.

Country presets

Common European standard rates are built in, alongside reduced and zero rates.

Custom rates

Type any rate for a jurisdiction or a category the presets do not cover.

Direction toggle

One switch handles both jobs, so you never have to remember which way the arithmetic runs.

How to use the VAT Calculator

  1. 1

    Pick the direction

    Choose whether to add VAT to a net figure or remove VAT from a gross figure.

  2. 2

    Select the rate

    Use a country preset or enter a custom rate, including reduced rates.

  3. 3

    Enter the amount

    The net, VAT and gross are all displayed, ready to copy onto an invoice or a return.

Frequently asked questions

Divide the gross by one plus the rate. At 20 percent, divide by 1.2. The VAT is then the difference between the gross and that net figure.

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