GST Calculator

↻ Updated 2026

Calculate GST on any amount under the GST 2.0 slabs (0/5/18/40%, plus 3% on jewellery). Add GST to a base price or strip it out of a GST-inclusive price, with the CGST and SGST breakdown.

Educational calculators — always consult a licensed professional before making financial decisions.

Your inputs

Amount (excl. GST)

₹

Net/base amount before GST

GST rate

GST 2.0 slabs: 0 / 5 / 18 / 40%

Total (incl. GST)

₹11,800

GST 18%

GST amount

₹1,800

on ₹10,000 base

Effective rate

18%

GST / base value

Base vs GST

Base value₹10,000

GST₹1,800

Breakdown

Base value (taxable)₹10,000

CGST (9%)₹900

SGST / UTGST (9%)₹900

Total GST₹1,800

Total (incl. GST)₹11,800

ASSUMPTIONS — GST 2.0 slabs (0/5/18/40%, plus 3% on jewellery) are effective 22 Sep 2025. For an intra-state supply, GST splits equally into CGST and SGST/UTGST; an inter-state supply would instead carry a single IGST at the full rate. Rounding is display-only.

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Sources & rate references

·GST Council (56th meeting) — GST 2.0 rate structure — Slabs 0/5/18/40% effective 22 Sep 2025

Rates, brackets and limits here are checked against primary sources. If a number still looks off, email support@realmoneyiq.com and we'll review and fix it.

RealMoneyIQ provides free educational calculators, not financial, tax, investment or legal advice. Results are estimates based on the assumptions you enter and publicly published rates; your actual outcome will differ. Always confirm decisions with a licensed professional who knows your full situation.