Remove GST Calculator

Subtract GST from total invoice amount and find the original base price instantly.

How to Remove GST From Total Amount

  1. Enter Total Bill Amount: Input the gross amount that includes tax.
  2. Select Tax Rate: Choose applicable tax slab (5%, 12%, 18%, or 28%).
  3. View Net Base Price: Check the net price before tax along with exact CGST/SGST split.

Reverse GST Formula

Original Base Price = Total Bill Amount / (1 + (GST Rate / 100))

Removed Tax Amount = Total Bill Amount - Original Base Price

Frequently Asked Questions

How do I deduct 18% GST from a total price?

Divide the total gross price by 1.18. For example, ₹11,800 / 1.18 = ₹10,000 base price (Tax removed: ₹1,800).