Free GST Calculator | Calculate Your GST Amount Online under different Tax Slabs | Online GST Calculator

Free GST Calculator

Calculate Your GST Amount Online under Different Tax Slabs

How to Use This Free GST Calculator

Enter the amount in the provided field (use decimal for paise if needed).
Select whether the amount is exclusive or inclusive of GST.
Choose the applicable GST slab from the dropdown (0%, 5%, 12%, 18%, or 28%).
Click 'Calculate GST' to get instant results, including base, GST breakdown (CGST/SGST), and total.

Pros	Cons
Free to use with no sign-up required	Limited to standard Indian GST slabs
Instant calculations with error handling	No integration with invoicing software
Fully responsive on all devices	Basic UI without advanced export features
Accurate CGST/SGST breakdown for intra-state	Assumes intra-state; IGST needs manual adjustment

What is GST?

Goods and Services Tax (GST) is an indirect tax levied on the supply of goods and services in India, replacing multiple indirect taxes.

How do I calculate GST if the amount is inclusive?

For inclusive amounts, the base is calculated as Amount / (1 + GST Rate/100), and GST is the difference between total and base.

Does this calculator handle IGST?

It shows CGST/SGST for intra-state; for inter-state IGST, treat it as full GST amount without split.

Is this tool accurate for business use?

Yes, it's based on standard GST formulas, but always verify with official sources for compliance.