Free tool · no login

GST Calculator

Add GST to an amount, or work backward to find the tax already inside a GST-inclusive price — across the 0, 5, 18 and 40% slabs, with the CGST + SGST or IGST split worked out for you. Nothing you type here leaves your browser.

Enter an amount before tax — GST is added on top.

Taxable value₹1,000.00
CGST (9%)₹90.00
SGST (9%)₹90.00
Total tax₹180.00
Total amount₹1,180.00

Biller works this out on every bill, automatically.

Start free — no cardCorrect CGST/SGST split, printed and emailed
Start free — no card510 credits
No card