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GST Calculator (India)

Add or remove GST (5%, 12%, 18%, 28%) on any amount, with CGST/SGST split — in your browser.

Runs in your browser — files never leave your device

Net
₹1,000
GST
₹180
CGST / SGST
₹90 each
Gross
₹1,180

How it works

Enter an amount and GST rate (5/12/18/28%) to add GST with a CGST/SGST split, or extract GST from a GST-inclusive total. Runs in your browser.

Frequently asked questions

What is CGST and SGST?
For intra-state sales, GST is split equally into CGST (central) and SGST (state). This tool shows both halves.
Can it remove GST from a total?
Yes — tick the inclusive option to extract the GST already in a gross amount.