GST Calculator

Add GST to a base price, or extract it from a GST-inclusive total. CGST+SGST for intra-state, IGST for inter-state.

Calculate GST in India — add GST to a price or extract GST from a GST-inclusive total, for any rate from 0.25% to 28%. See the CGST/SGST split for intra-state supply and IGST for inter-state.

Rates: Indian GST slabs. CGST+SGST for intra-state supply, IGST for inter-state.

How to use the GST Calculator

  1. Enter the amount.
  2. Pick the GST rate (5%, 12%, 18%, 28% or custom).
  3. Get the GST, the split (CGST+SGST or IGST) and the total.

Frequently asked questions

How do I calculate 18% GST?

For intra-state supply: GST = 18% of the base, split as 9% CGST + 9% SGST. Enter the amount above and it is done for you.

How do I remove GST from a total?

Base = total / (1 + rate/100). Enter the GST-inclusive price and choose 'remove GST'.

What is the difference between CGST, SGST and IGST?

CGST + SGST apply to sales within one state; IGST applies to inter-state sales. The total tax is the same.

What are the GST rates in India?

Common slabs: 0.25%, 3%, 5%, 12%, 18% and 28%, depending on the goods or services.