VAT and GST Calculator: Add or Remove Tax
Add or remove VAT/GST at any rate and see net, tax and gross.
Rates vary by country and product and can change. Check the current rate with your tax authority.
Use via API
Add VAT (or sales tax/GST) to a net price, or remove it from a gross, tax-inclusive price. Send JSON, get JSON back.
POST https://pithlab.com/api/v1/tools/vat-calculator
curl https://pithlab.com/api/v1/tools/vat-calculator \
-H "Authorization: Bearer $PITHLAB_KEY" \
-H "Content-Type: application/json" \
-d '{"mode":"remove","amount":120,"rate":20}'About the VAT Calculator
Add VAT or GST to a net price, or take it out of a tax-inclusive price, at any rate. See the net amount, the tax and the gross total side by side.
How to use the VAT Calculator
- Choose Add VAT if your amount excludes tax, or Remove VAT if it already includes it.
- Enter the amount and the tax rate, or tap one of the example rates.
- Read the net amount, the tax and the gross total, and copy the summary if you need it.
Examples
Input
Add VAT: 100 at 20%
Output
100.00 + 20% VAT (20.00) = 120.00
Input
Remove VAT: 230 at 15%
Output
230.00 includes 30.00 VAT at 15%, so the net amount is 200.00
Frequently asked questions
How do I remove VAT from a price?
Divide the gross price by 1 plus the rate. At 20%, 120 ÷ 1.20 = 100 net, so the VAT is 20. Don't just take 20% off the gross price: 20% of 120 is 24, which is too much.
How do I add VAT to a price?
Multiply the net price by 1 plus the rate. At 15%, 200 × 1.15 = 230, of which 30 is tax.
Are the preset rates official?
No. The preset buttons are common example rates only. VAT and GST rates differ by country and by type of goods and change over time, so check the current rate with your tax authority.
Does this work for GST and sales tax too?
Yes. Any tax charged as a flat percentage of the price works the same way, whatever it is called locally.