GST Calculator

Add or remove GST from any amount with accurate slabs — instantly, right in your browser.

Whether you're billing a customer or checking what tax is baked into a price you were quoted, Lilu Baba's GST Calculator handles both directions instantly — add GST on top of a net amount, or reverse-calculate the GST already included in a gross amount.

How to use this calculator

  1. Choose Add GST if your amount doesn't yet include tax, or Remove GST if it already does.
  2. Enter the amount and pick the applicable GST slab (or a custom rate).
  3. See the net amount, GST amount and total update instantly.

Total (incl. GST) ₹0
Net Amount ₹0
GST Amount ₹0
Total Payable ₹0

GST Calculator — frequently asked questions

The most common GST slabs are 5%, 12%, 18% and 28%, depending on the category of goods or services.

Add GST when you have a net (pre-tax) amount and want the final price. Remove GST when you have a final price that already includes tax and want to know the tax-free amount.