To remove GST from an inclusive price: base price = total × 100 ÷ (100 + GST rate), and GST = total − base. Example: ₹1,180 including 18% GST → base ₹1,000 and GST ₹180 (₹90 CGST + ₹90 SGST within a state, or ₹180 IGST across states).
Reverse GST Calculator
Estimate the tax component embedded in a GST-inclusive amount by using the applicable rate.
Indicative calculation only. Verify accounting, tax, lending and valuation decisions against your policies and source records.
How to use Reverse GST Calculator
Use this free FastFee tool for a quick gst & compliance calculation. Enter the required values, review the result, and use the output for planning or internal calculations.
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