DigiWebSpot
Processed on your device
On your device
Live
GST calculatorFree India GST calculator: add or remove GST, split CGST/SGST or IGST, reverse GST, and bulk-calculate INR amounts in your browser.

India GST calculator

Add or remove GST on any INR amount, split intra-state CGST/SGST or inter-state IGST, reverse from a GST figure, and run bulk lines — all on your device.
GST rate
Presets (0%, 5%, 18%, 40%) are shortcuts only. Confirm the applicable HSN/SAC rate under current GST rules — other rates may apply.
Supply type
Amount includes GST?
Taxable value before GST
Taxable amount

₹1,000.00

GST amount

₹180.00

Final payable

₹1,180.00

CGST

₹90.00

SGST

₹90.00

Taxable ₹1,000.00 × 18% GST = ₹180.00. Final payable ₹1,180.00. Intra-state split: CGST ₹90.00 + SGST ₹90.00.
Recent calculationsSuccessful simple calculations are saved on this device.
Educational estimate only — not tax advice. Verify rates and place of supply for your invoices. Processed on your device
HelpFrequently asked questionsQuick answers about this DigiWebSpot tool.
ExploreRelated toolsMore DigiWebSpot utilities in this workflow.