GST Calculator
GST Calculator — CGST, SGST & IGST, Inclusive and Exclusive
Add GST to a base price or extract it from an inclusive amount — with the CGST/SGST split for intra-state supplies and IGST for inter-state.
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How do I calculate GST from an inclusive price?
Reverse-work it: GST = inclusive price x rate / (100 + rate). On Rs 1,180 at 18%, the GST inside is 1,180 x 18/118 = Rs 180 and the base price is Rs 1,000. The calculator does both directions.
What is the difference between CGST, SGST and IGST?
Within one state, GST splits equally into CGST (centre) and SGST (state) - 9% + 9% on an 18% supply. Between states, the whole amount is charged as IGST. The total tax is the same; only the split changes.
Is GST charged on the discounted price or the list price?
On the transaction value - the price actually charged after discounts shown on the invoice. Post-supply discounts are adjusted only if linked to the original invoice under Section 15 of the CGST Act.