GST Calculator India – New 5%, 18% & 40% Rates
Add or remove GST at the new 5%, 18% or 40% rates and see the CGST and SGST split, or IGST for a sale to another state.
GST calculator
%
Net (excl. GST)
₹1,000.00
GST
₹180.00
Gross (incl. GST)
₹1,180.00
CGST 9%
₹90.00
Central share
SGST 9%
₹90.00
State share
How it's worked out
GST = ₹1,000.00 × 18% = ₹180.00
Total = ₹1,000.00 + ₹180.00 = ₹1,180.00
Since 22 September 2025 most goods and services are taxed at 5% or 18%, with 40% for specified luxury and sin goods. The 12% and 28% slabs no longer apply to most items. Check the rate for your exact HSN or SAC code before you invoice.
How to use
- 1Choose Add GST for a price before tax, or Remove GST for a price that already includes it.
- 2Type the amount and pick 5%, 18%, 40% or 3%, or type any rate.
- 3Pick Same state or Other state to see CGST + SGST or IGST.
- 4Read the base price, GST and total, with the working shown underneath.
Privacy: All calculations run in your browser. Nothing you type is sent anywhere or saved.
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