GST calculator
Add GST to an amount or work backwards from a total. Nothing you enter is saved or sent anywhere.
- Amount before GST
- ₹1,000
- GST
- ₹180
- Total including GST
- ₹1,180
- Within one state: CGST + SGST
- ₹90 + ₹90
- Between states: IGST
- ₹180
The rate depends on the goods or service and its HSN or SAC classification. Check the rate that applies to your supply; this calculator only does the arithmetic and is not tax advice.
Need a GSTIN or help with returns? See GST registration and GST returns.