Anslation GST Calculator

Add or remove GST, split CGST/SGST or IGST, and total a bill.

Runs in your browserNo account needed

Where the sale happens

Within one state: the GST is split equally into CGST and SGST.

GST on one price

Price before GST

₹

The price GST is added to.

GST rate

Chips are the nil, 5% and 18% slabs and the 40% special rate in force from 22 Sep 2025 (CBIC Notification No. 9/2025-Central Tax (Rate)). Some goods have other rates, such as 3% on gold or 28% plus cess on some tobacco goods, and older bills may show 12% or 28%: choose Custom to type any rate. Check the rate for your item.

Price with GST

₹1,180.00

₹1,000.00 + ₹180.00 GST at 18%

CGST 9%
₹90.00
SGST 9%
₹90.00

Working

CGST: ₹1,000.00 × 9% = ₹90.00
SGST: ₹1,000.00 × 9% = ₹90.00
Total: ₹1,000.00 + ₹180.00 = ₹1,180.00

Bill

Prices before GST. Tax is worked out rate by rate, the way a tax invoice summarises it.

No items yet. Add what was sold with its quantity, price before GST and rate, or send the quick calculation here with Add to bill.

For quick checks and estimates. A GST invoice also needs details this tool does not hold (GSTIN, HSN or SAC codes, place of supply), so use your billing software or accountant for filed invoices.