💼 Business

VAT Calculator

Add or remove VAT from any amount. UK standard (20%), reduced (5%), zero rate or custom. Full net/VAT/gross breakdown.

The VAT Calculator is a free online tool that helps you add or remove vat from any amount. uk standard (20%), reduced (5%), zero rate or custom. full net/vat/gross breakdown It runs in your browser with no sign-up, downloads, or installation needed. All processing happens locally — your data stays on your device.
VAT Calculator
${[[20,'Standard'],[5,'Reduced'],[0,'Zero']].map(([r,l])=>``).join('')}
%

How to use

1

Add or remove VAT

"Add VAT" starts from a net (ex-VAT) amount and calculates the gross price. "Remove VAT" starts from a gross (inc-VAT) price and works out the net amount and VAT portion. Use standard (20%), reduced (5%) or any custom rate.

2

Common uses

When quoting clients, add 20% VAT to your net fee. When checking a supplier invoice, remove VAT to see the true cost. The breakdown shows net, VAT amount and gross for clear record-keeping and accounting.

💡 Did you know?

UK standard VAT is 20% (since 2011). The 'add VAT' multiplier is 1.20; the 'remove VAT' divisor is 1.20, which is why dividing by 0.80 doesn't work — the inclusive price is 120%, so VAT is 1/6 of the inclusive total, not 20% of it.

Reviewed for 2026. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.

Frequently asked questions

Is the VAT Calculator free to use?

Yes, the VAT Calculator is completely free. There is no sign-up, no account required, and no limit on how often you can use it.

Does the VAT Calculator factor in taxes or fees?

The VAT Calculator performs the core calculation only. For final figures, you may need to add applicable taxes, fees, or charges relevant to your situation.

What devices does the VAT Calculator work on?

The VAT Calculator works on any device with a modern web browser — desktop, laptop, tablet, or phone. It is mobile-friendly and works offline once the page has loaded.