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GST calculator

Add GST to a price, or pull the GST out of an amount that already includes it.

Since 22 September 2025 most goods and services fall in the 5% or 18% slabs, with 40% for sin and luxury goods. A few items remain at special rates (e.g. 0.25% / 3% for diamonds and gold). Check the HSN/SAC code for your item's exact rate.

Result

Total invoice value

Input tax credit mismatches are the most common reason for GST notices. Want your ITC reconciled?