GST Calculator

Easily calculate GST inclusive and exclusive prices with accurate CGST and SGST breakdowns.

GST Calculation Summary

Base Price

₹0

Total GST Amount

₹0

Final Billed Amount

₹0

CGST (Central)

₹0

SGST (State)

₹0

How to Use an Online GST Calculator?

The Goods and Services Tax (GST) is an indirect tax levied on the supply of goods and services in India. Because it features multiple tax slabs (5%, 12%, 18%, and 28%), determining your final invoice amount can get tricky. Our online GST calculator simplifies this by doing the math for you instantly.

Whether you need to add GST to a base price (to find the GST Exclusive amount) or remove GST from a final billed price (to find the GST Inclusive amount), this tool delivers 100% accurate results. It also automatically divides the tax into CGST (Central) and SGST (State) for intrastate transactions.

Frequently Asked Questions About GST Calculation

What is the GST calculation formula?
To add GST (Exclusive): GST Amount = (Base Cost × GST%) / 100. To remove GST (Inclusive): GST Amount = Total Cost - [Total Cost × {100 / (100 + GST%)}].
What is the difference between GST Inclusive and Exclusive?
A "GST Exclusive" amount is the base price of a product before taxes are applied. A "GST Inclusive" amount represents the final selling price that already contains the tax component hidden within it.
How are CGST and SGST calculated?
For any transaction taking place within the same state (intra-state), the total GST rate is split equally. For example, an 18% GST rate is divided into 9% CGST (going to the Central Government) and 9% SGST (going to the State Government).

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