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GST Calculator (CGST + SGST)

Split taxable value, CGST, SGST, and invoice total for Indian GST. Works for tax-exclusive or tax-inclusive amounts.

Results

Taxable value
₹1,00,000.00
CGST (9%)
₹9,000.00
SGST (9%)
₹9,000.00
Total GST
₹18,000.00
Invoice total
₹1,18,000.00

Automate this in Spark

Spark billing & GST runs these numbers from live data (attendance, visits, stock, or pump shifts) without manual entry.

Explore Spark

Choose whether your amount is before or after GST, then enter CGST and SGST rates (often 9% + 9% for 18% GST). On a tax-exclusive ₹1,00,000 sale, 9% CGST and 9% SGST add ₹18,000 tax for an invoice total of ₹1,18,000. On a tax-inclusive ₹1,18,000 bill, the taxable value splits back to ₹1,00,000.

Common questions

Does this handle IGST?

This calculator splits CGST + SGST for intra-state supply. For IGST, combine both rates into one interstate charge.

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