Finnsnap

GST Calculator

Add or remove GST from product and service prices.

Rs
11,00,00,000

Use Excluding GST when you have the pre-tax amount and want to add GST. Use Including GST when the entered amount already includes GST and you want to separate the tax component.

Your GST Breakdown

GST rate12%
Base amountRs 0
Final amountRs 0
Component Rate Amount

GST Calculator

Goods and Services Tax, or GST, is an indirect tax applied to goods and services in India. A GST calculator helps you add GST to a base price or remove GST from a tax-inclusive price.

How can a GST calculator help you?

  • It gives a quick estimate of the tax amount payable.
  • It helps identify the base amount and post-GST amount clearly.
  • It saves time compared with manual GST calculations.
  • It helps consumers and businesses verify invoice amounts.

Formula to determine GST amount

For adding GST to a pre-tax amount:

GST Amount = Price x GST%
Net Price = Price + GST Amount

For removing GST from an inclusive amount:

GST = Original Cost - [Original Cost x {100 / (100 + GST%)}]
Net Price = Original Cost - GST

How to use this GST calculator

  • Select whether your amount is excluding GST or including GST.
  • Enter the total amount.
  • Choose the GST slab.
  • Review total GST, base amount, post-GST amount, and CGST/SGST split.