Split inclusive ₹ into base + GST at 5%, 12%, 18%, or 28% with paise-safe totals.
Enter the final GST-inclusive total (e.g. as on a tax invoice). The tool splits it into taxable value + GST using paise rounding (nearest paisa on base, remainder as GST) so the two lines add up exactly.
Taxable value (base): ₹10,000.00
GST (18%): ₹1,800.00
Check total: ₹11,800.00
Effective rate on rounded base: 18.00%
GST Invoice Round-off (Inclusive) helps you split inclusive ₹ into base + gst at 5%, 12%, 18%, or 28% with paise-safe totals. It is commonly used by finance teams, founders, individual planners for gst inclusive calculator, gst reverse calculation, base amount from inclusive.
Method
The inclusive total is split as taxable value = round(total ÷ (1 + rate), paise) and GST = total − taxable value, so the two lines always add to your entered total. The effective % on the rounded base may differ by a few basis points from the nominal slab; that is normal on small amounts.
Not legal advice
GST law, HSN/SAC, place of supply, and e-invoice rules are outside this calculator.
Disclaimer: This calculator provides information only and is not financial, tax, or legal advice.