GST Calculator India — Add or Extract GST Instantly

Use this free GST calculator to instantly add GST to a base price or extract GST from an inclusive amount. Select the GST rate (5%, 12%, 18%, or 28%), choose intra-state (CGST + SGST) or inter-state (IGST) supply, and see the complete tax breakdown in real time — no signup required.

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GST Amount

₹1,800

Base Price

₹10,000

Total Price

₹11,800

CGST (9%)

₹900

SGST (9%)

₹900

Base Price (85%)GST (15%)
note

GST at 18% adds ₹1,800 to the base price. Your total cost including GST is ₹11,800.

Most common goods/services fall under 18% GST; essentials are at 5% or exempt

GST on your transaction is ₹1,800 — file GST returns effortlessly with ClearTax

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