Extract GST from any GST-inclusive amount — get the base price with CGST, SGST, and IGST breakdown instantly.
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Get Started FreeReverse GST calculation helps you extract the base price and tax component from a GST-inclusive amount. This is essential for accounting, filing returns, and understanding the true cost of goods and services.
To reverse calculate GST from a total amount that includes tax:
Base Price = Total Amount ÷ (1 + GST Rate / 100)
GST Amount = Total Amount − Base Price| GST Rate | Total (Incl.) | Divisor | Base Price | GST Amount |
|---|---|---|---|---|
| 5% | ₹10,500 | 1.05 | ₹10,000 | ₹500 |
| 3% | ₹10,300 | 1.03 | ₹10,000 | ₹300 |
| 18% | ₹11,800 | 1.18 | ₹10,000 | ₹1,800 |
| 28% | ₹12,800 | 1.28 | ₹10,000 | ₹2,800 |
| 40% | ₹14,000 | 1.40 | ₹10,000 | ₹4,000 |
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