How do I add UK VAT to a net price?

Gross = Net × (1 + VAT rate). VAT amount = Gross − Net. This calculator does it instantly.

How do I remove VAT from a gross price?

Net = Gross ÷ (1 + VAT rate). VAT amount = Gross − Net. This calculator shows the breakdown automatically.

What VAT rates are available?

Use 20%, 5%, 0% or enter a custom VAT rate depending on your product/service.

Does this tool store my data?

No. All calculations run in your browser. Inputs are not saved or sent to any server.

Home / Tools / UK VAT Calculator

🇬🇧 UK VAT ➕ Add VAT ➖ Remove VAT ✅ Breakdown 🔒 Private

UK VAT Calculator

Calculate VAT amount and convert Net ↔ Gross in seconds. Choose 20%, 5%, 0% or enter a custom VAT rate for your invoice, quote, or checkout.

Calculate VAT → Client-side only

Enter values

Select whether your amount is Net (ex VAT) or Gross (inc VAT). We’ll compute the other value and show VAT amount.

Net amount (ex VAT)

Currency is up to you (GBP recommended).

VAT rate (%)

Choose preset or enter custom rate.

Quick note

Add VAT: Gross = Net × (1 + r). Remove VAT: Net = Gross ÷ (1 + r).

What is VAT in the UK?

VAT (Value Added Tax) is a consumption tax added to most goods and services sold in the UK. Businesses often quote prices as ex VAT (net) or inc VAT (gross). When comparing supplier quotes, preparing invoices, or checking checkout totals, converting net ↔ gross helps you avoid pricing mistakes.

This calculator supports common UK VAT rates (like 20%, 5%, and 0%) plus a custom option. The tool is designed for quick daily calculations and shows the VAT amount clearly so you can copy it into your invoice or estimate.

Result

Gross (inc VAT): —

Enter values and click Calculate.

When to use it

Use this VAT calculator for invoices, quotes, procurement comparisons, eCommerce pricing checks, and quick bookkeeping notes. It’s fast, accurate, and runs fully in your browser.

How to use the UK VAT Calculator

1️⃣

Choose mode

Pick Net → Gross or Gross → Net depending on what you have.

2️⃣

Enter amount & rate

Use 20%, 5%, 0% or custom VAT rate for your case.

3️⃣

Get breakdown

See net, gross, VAT amount, and calculation steps.

Frequently Asked Questions

How do I add VAT to a net amount?▼

Gross (inc VAT) = Net × (1 + VAT rate). VAT amount = Gross − Net.

How do I remove VAT from a gross amount?▼

Net (ex VAT) = Gross ÷ (1 + VAT rate). VAT amount = Gross − Net.

Can I use custom VAT rates?▼

Yes. Select “Custom” and enter any rate (e.g., 17.5) to match your requirement.

Is this calculator free and private?▼

Yes. It’s free and runs entirely in your browser. Your inputs are not stored or sent anywhere.

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