GST calculator
Add GST to a value, or extract GST from a GST-inclusive amount, with the CGST and SGST split for supplies within a state and IGST for supplies between states.
Details
Amount in rupees
Calculation
GST rate
Any rate from 0% to 100%
Type of supply
Result
Value before GST₹0.00
Total GST₹0.00
Total including GST₹0.00
Each component is rounded to the nearest paisa, as on a tax invoice.
How to use it
- Add GST when you know the price before tax and want the invoice total.
- Extract GST when you have a GST-inclusive amount and want to find the value before tax and the tax within it.
- Within the state splits the tax equally into CGST and SGST (or UTGST). Between states shows it as IGST.
About the rates
From 22 September 2025, most goods and services fall under 5% or 18%, with 40% for specified luxury and demerit goods. The rate chips include these and 3%; enter any other rate in the "Other rate" box. Confirm the rate for your goods (HSN) or services (SAC) on the GST portal or with us before invoicing.
New to GST? Read GST basics for new businesses.