Free tool
GST Calculator: Add or Remove GST
Add GST to a price, or take it out of a GST-inclusive price, and see the CGST, SGST and IGST split. Runs in your browser, nothing is saved.
Your result
Enter an amount to see the GST.
Arithmetic only. You choose the GST rate, and the calculator does not check which rate applies to your goods or service, which can change. Confirm rates on the GST portal or with your CA. Not tax advice.
GST calculation questions
How do I add GST to a price?
Multiply the price by the GST rate and add the result. For ₹1,000 at 18%, GST is ₹180 and the total is ₹1,180.
How do I remove GST from a GST-inclusive price?
Divide the inclusive price by (100 plus the rate) and multiply by 100 to get the price before GST. For ₹1,180 at 18%, the price before GST is ₹1,000.
What is the difference between CGST, SGST and IGST?
For a sale within one state, the GST is split equally between the central (CGST) and state (SGST) governments. For a sale between states, the whole amount is charged as IGST.
Which GST rate should I use?
The rate depends on the goods or service and can change. Check the notified rate for your item on the GST portal, or ask your CA.
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