GST/VAT Calculator

Add or remove GST/VAT from any amount. Support for custom tax rates with instant results.

Add/Remove taxCustom ratesNo signup
Mode
Quick Rates
Text stays on your device
Enter amount and tax rate to calculate

Documentation

What is GST/VAT?

GST and VAT are consumption taxes applied to goods and services. They are calculated as a percentage of the selling price.

When do you need it?

Invoicing, price comparison, tax filing, business accounting, and shopping calculations.

How to use
  1. 1) Choose Add Tax or Remove Tax mode.
  2. 2) Enter the amount and tax rate.
  3. 3) View the tax and total instantly.

FAQs

What is GST/VAT?

GST and VAT are consumption taxes applied to goods and services, calculated as a percentage of the price.

How to add GST/VAT?

Multiply base price by (1 + tax rate/100). Example: $100 + 18% = $118.

How to remove GST/VAT?

Divide total price by (1 + tax rate/100). Example: $118 ÷ 1.18 = $100.

Does it store my data?

No. All calculations happen locally in your browser. Your data is never uploaded or stored.

Is it free?

Yes. Completely free with no signup or limits.

Privacy: All processing runs in your browser. Nothing is stored.