GST Calculator
Add GST to a price or take it out of a price that already includes it, with the CGST, SGST and IGST split.
How to use the GST Calculator
Choose "Add GST" when you have the price before tax, or "Remove GST" when the price already includes it. Pick the rate or type your own.
For a sale within one state the GST splits equally into CGST and SGST. For a sale to another state it is charged as IGST.
Frequently asked questions
How do I remove GST from a price?
Divide the price by (1 + rate ÷ 100). At 18%, a price of ₹1,180 including GST is ₹1,180 ÷ 1.18 = ₹1,000 before tax, and the GST is ₹180.
What are the GST rates?
Since 22 September 2025 most goods and services are taxed at 5% or 18%, with 40% for luxury and sin goods. Some items carry other rates, such as 3% on gold, or are exempt.
What is the difference between CGST, SGST and IGST?
CGST goes to the centre and SGST to the state, each half the rate, on a sale within a state. IGST is the full rate on a sale between states.
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