GST Calculator

Add GST to a price or remove GST from a total, at any rate.

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Free GST calculator

Calculate GST (Goods and Services Tax) in seconds. Choose Add GST to add tax to a base price, or Remove GST to find the base price from a GST-inclusive total. Supports all Indian GST slabs — 5%, 12%, 18% and 28%.

Frequently asked questions

How do I add GST to a price?

Select 'Add GST', enter the base amount and rate — the tool shows the GST and the total including GST.

How do I remove GST from a total?

Select 'Remove GST' and enter the GST-inclusive amount to get the original base price and the GST portion.