About the GST Calculator
Calculate GST (Goods and Services Tax) on any amount. Enter the base amount and the GST rate (5%, 12%, 18% or 28%), and this calculator shows the GST payable and the total amount including GST.
Understanding GST slabs
GST in India has four main slabs — 5%, 12%, 18% and 28% — depending on the goods or service. For a GST-inclusive price, the base and tax can be worked back out; this tool adds GST to a base (exclusive) amount.
GST Calculator — frequently asked questions
How do I calculate GST on an amount?
Multiply the base amount by the GST rate and divide by 100 to get the GST; add it to the base for the total. Enter the figures above and the calculator does it instantly.
What are the GST slabs in India?
The main slabs are 5%, 12%, 18% and 28%, with the rate depending on the product or service.