GST calculation · Forward or reverse
GST Calculator
Calculate GST from a base amount or extract it from a total. See the tax split for intra-state and inter-state transactions.
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Enter details to calculate GST
Fill in the amount, GST rate, mode, and transaction type above, then click Calculate.
What you can do with GST Calculator
Add GST to a Base Amount
Use Forward mode to calculate tax and the final price from an amount before GST.
Extract GST from a Total
Use Reverse mode to find the taxable value and included GST in a tax-inclusive amount.
Choose Your GST Rate
Pick 5%, 12%, 18%, or 28%, or enter a custom rate for your calculation.
Intra-State and Inter-State
Choose where the transaction takes place to see CGST and SGST or IGST.
See the Tax Breakdown
Review the base amount, each tax component, total GST, and final amount.
Amounts in Rupees
Results are formatted in Indian rupees so they are easy to read and compare.