Reverse GST Calculator

Extract base price from GST-inclusive total and see the tax breakdown.

More GST Tools

Find the original price from a GST-inclusive amount

Total Amount (incl. GST)GST already included

₹

GST Rate Applied

Transaction Type

↩️ When to use Reverse GST

Use this when you have the final invoice total and need to find the pre-GST price for input tax credit or accounting entries.

Original Price (excl. GST)

₹10,000.00

GST removed: ₹1,800.00 at 18% from ₹11,800.00

Pre-GST Price

₹10,000.00

GST Removed

₹1,800.00

Reverse Breakdown

Total Amount (incl. GST)₹11,800.00

GST @ 18% (extracted)− ₹1,800.00

└ CGST @ 9%₹900.00

└ SGST @ 9%₹900.00

Base Amount (excl. GST)₹10,000.00

Pre-GST prices for ₹11,800.00 across slabs