Finance

VAT / Sales Tax Calculator

Add or remove VAT/sales tax and calculate tax-inclusive totals

FAQs

How do I calculate VAT from a gross amount?

Use the tax removal mode to derive net price and tax amount from a tax-inclusive total.

Can I use this for US sales tax?

Yes. Enter your local tax rate and switch between adding or removing tax as needed.

How to Use the VAT Calculator

Add or remove Value Added Tax at any rate to find net and gross amounts.

  1. Enter the amount.
  2. Enter the VAT rate.
  3. Choose add VAT (net→gross) or remove VAT (gross→net).
  4. Review the VAT and totals.

VAT Formulas

Add VAT

Gross = Net × (1 + VAT/100)

Apply VAT to a net price.

Example:

Input: £200 net at 20%

Calculation: 200 × 1.2

Result: £240 gross

Remove VAT

Net = Gross / (1 + VAT/100)

Extract the net price from a VAT-inclusive amount.

Example:

Input: £240 gross at 20%

Calculation: 240 ÷ 1.2

Result: £200 net

Real-World Use Cases

Invoicing

Show net, VAT, and gross lines on an invoice.

Pricing

Set a shelf price that includes VAT.

Tips

Tips

  • The standard UK VAT rate is 20%; reduced rates exist for some goods.
  • Keep VAT records for tax returns.
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