What is a GST Calculator?

A GST (Goods and Services Tax) Calculator is a free online tool that helps you compute GST-inclusive and GST-exclusive prices for any product or service. Whether you are a business owner calculating tax on invoices, a consumer wanting to know the base price before tax, or an accountant verifying tax amounts, this calculator makes GST computations instant and error-free.

Why do you need a GST Calculator?

GST calculations can be confusing, especially when dealing with multiple tax slabs (5%, 12%, 18%, 28%) and the need to split tax between CGST and SGST or compute IGST. Manual calculations are time-consuming and prone to errors. This calculator handles all GST rates and instantly shows you the base amount, GST amount, and total amount — whether you are adding GST to a price or removing it.

How to use the GST Calculator?

Choose whether you want to add GST (inclusive) or remove GST (exclusive) from a price. Enter the amount and select the applicable GST rate. The calculator instantly breaks down the computation showing the original amount, CGST, SGST (or IGST for inter-state), and the final amount. It is perfect for invoicing, price comparison, and tax planning.

Understanding GST slabs in India

India's GST structure has four main slabs: 5% (essential items like packaged food, economy rail tickets), 12% (processed food, business class air tickets), 18% (most goods and services including IT services, financial services), and 28% (luxury items like cars, aerated drinks, 5-star hotels). Some items like fresh food, healthcare, and education are GST-exempt at 0%.