GST Calculator - Calculate GST Online Free India 2025

Calculate GST (Goods and Services Tax) instantly with our free online GST calculator. Add or remove GST from any amount, get CGST, SGST, and IGST breakup for accurate invoicing and tax filing in India.

What is GST?

GST (Goods and Services Tax) is an indirect tax levied on the supply of goods and services in India. It replaced multiple indirect taxes like VAT, Service Tax, and Excise Duty. GST is a destination-based tax collected at each stage of the supply chain.

GST Rates in India

Types of GST

• CGST (Central GST) - Collected by Central Government on intra-state sales
• SGST (State GST) - Collected by State Government on intra-state sales
• IGST (Integrated GST) - Collected by Central Government on inter-state sales
• UTGST - Union Territory GST for UT transactions

How to Calculate GST?

To Add GST (Exclusive):

• GST Amount = (Original Amount × GST%) / 100
• Total Amount = Original Amount + GST Amount

To Remove GST (Inclusive):

• Base Amount = (Total Amount × 100) / (100 + GST%)
• GST Amount = Total Amount - Base Amount

GST Registration Requirements

• Mandatory for businesses with turnover above ₹40 lakhs (₹20 lakhs for services)
• ₹20 lakhs threshold for special category states
• Compulsory for inter-state suppliers regardless of turnover
• E-commerce operators must register irrespective of turnover

Benefits of GST

• Simplified Tax Structure - One tax instead of multiple indirect taxes
• Reduced Tax Burden - Elimination of cascading effect
• Easy Compliance - Online registration and filing
• Input Tax Credit - Claim credit for taxes paid on purchases
• Transparent System - Digital tracking of entire supply chain

GST Filing Due Dates

Frequently Asked Questions

Is GST applicable on all products?

No, some items like fresh fruits, vegetables, milk, and educational services are exempt from GST. Petroleum products are also currently outside GST.

Can I claim Input Tax Credit?

Yes, registered businesses can claim ITC for GST paid on business purchases, reducing their overall tax liability.

What is reverse charge mechanism?

Under reverse charge, the recipient of goods/services pays GST instead of the supplier. This applies to specific categories notified by the government.

Calculate GST accurately for your business - Free, fast, and reliable GST calculator for India!