GST Calculator
Add GST to a price or remove it from a GST-inclusive amount, at any rate.
How it’s calculatedAdding GST: total = amount × (1 + rate). Removing GST: amount before GST = total ÷ (1 + rate); GST = total − that amount. For intra-state supplies in India, GST is split equally into CGST and SGST.
How to calculate GST
- Enter the amountType the price.
- Choose the ratePick or type the GST or VAT percentage.
- Add or removeSee the net price, tax amount and total.
About the GST Calculator
Invoice customers, check bills, and work out the price before tax.
- Add GST or remove GST
- Any rate, for GST or VAT
- CGST and SGST split for India
GST Calculator FAQ
How do I add GST to a price?
Multiply the price by (1 + rate / 100). For 18 percent, multiply by 1.18.
How do I remove GST from a price?
Divide the inclusive price by (1 + rate / 100).
Does it work for VAT?
Yes, the maths is the same for VAT and sales tax.
Is it free?
Yes.