Reverse GST Calculator - Back Calculate Tax

How to Use Reverse GST Calculator - Back Calculate Tax

Enter the total invoice amount and applicable GST rate, get the base price and tax component.

Formula Used

Original Price = (Total Amount × 100) / (100 + GST Rate); GST Amount = Total Amount - Original Price

Example Calculation

Total ₹11,800, GST 18% → Original = ₹10,000, GST = ₹1,800

Frequently Asked Questions

Q. Can I use this for all GST rates?
Yes, supports all standard rates.
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