GST & sales tax calculator
Work out tax on a price in either direction — adding tax to a net price or pulling it out of a total.
Before tax
1,000.00
Tax
180.00
Total with tax
1,180.00
How to use the GST & sales tax calculator
- Enter the amount.
- Enter the tax rate for your item and country.
- Choose Add tax or Remove tax and read the result.
When it's useful
- Writing invoices with tax shown separately
- Finding the pre-tax price from a receipt
- Checking supplier quotes
Limits to know
- Rates differ by country, province and item — check your tax authority (for example FBR in Pakistan) for the correct rate.
- This is a calculator, not tax advice.
Your privacy
Everything is worked out in your browser. What you type isn't uploaded, saved or shared, and there's no sign-up.
Questions
How do I remove tax from a total?
Divide the total by 1 plus the rate. For 18%, a total of 1,180 ÷ 1.18 = 1,000 before tax.