VAT and GST Calculator
Add VAT or GST to a net price, or take it out of a gross price, at any rate: UK, EU, India and elsewhere.
Change the values and press Calculate to work out your own figures.
Add VAT or GST
Enter the net price and rate.
Show the working
- with tax = price × (1 + rate)
Remove VAT or GST
Enter the gross price and rate.
Show the working
- before tax = total ÷ (1 + rate)
How to use it
Enter the net price and rate. Enter the gross price and rate.
Enter amounts without commas or with them; rates are percentages (5 for 5%). Negative amounts are allowed where a sign means money paid out.
Key facts
gross = net × (1 + rate); net = gross ÷ (1 + rate); tax = gross − net
Inclusive prices
Prices in the UK, EU and India are usually shown with VAT or GST included; to find the tax in a price, divide by 1 + rate.
Questions
How much VAT is in £120 at 20%?
£20 (net £100).
What is ₹1,000 plus 18% GST?
₹1,180 (₹90 CGST + ₹90 SGST within a state).
Formulas
gross = net × (1 + rate); net = gross ÷ (1 + rate); tax = gross − net
Sources
Limitations
- Results are estimates for planning, not offers or financial advice; lenders and banks may round, count days or time payments differently.
- Rates are nominal annual rates compounded as you choose; payments at a different frequency use the equivalent periodic rate.