GST calculator

Add or remove GST at any rate, with the CGST and SGST split.

For sales within a state, GST splits equally into CGST and SGST. For sales between states, the full amount is IGST.

How to use it

  1. Enter the amount and choose the rate.
  2. Choose whether the amount includes GST.

Questions

How do I remove GST from a price?

Choose "Including GST". The net amount is price ÷ (1 + rate/100).

Guides

All guides
Calculators · 23 Oct 2026Car Loan EMI Calculator: Car, Bike & Personal Loan EMI ExamplesCar, bike and personal loan EMI with worked rupee examples, why a flat rate costs far more than it sounds, and how no-cost EMI really works.Calculators · 23 Oct 2026GST Calculation Explained: Inclusive vs Exclusive, CGST, SGST, IGSTAdd or remove GST with two simple formulas. Worked rupee examples for inclusive and exclusive prices, plus when CGST+SGST or IGST applies.Calculators · 23 Oct 2026GST Formula in Excel: Add GST & Reverse GST CalculationExcel formulas to add GST, remove GST from an inclusive price (reverse GST) and split CGST/SGST, with 18%, 12% and 5% examples.

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