Goods and Services Tax (GST) Calculator – Income Tax Old Regime India

What is GST – Goods and Services Tax?

Goods and Services Tax (GST) is a comprehensive, destination-based indirect tax levied on the supply of goods and services in India. It subsumes all indirect taxes like VAT, Service Tax, Excise, and Entry Tax. GST is governed by the Central and State governments and is categorized as:

• CGST – Central Goods and Services Tax
• SGST – State Goods and Services Tax
• IGST – Integrated GST for interstate trade

Popular GST Slabs

• 5% – Basic essential items (e.g., food grains, transport)
• 12% – Processed food, business services
• 18% – Default for most goods/services
• 28% – Luxury items, tobacco, and automobiles

When to Use This Calculator?

• To calculate GST-inclusive and exclusive billing amounts
• For e-commerce and invoice management
• While determining GST liability or claim input tax credit (ITC)

For example, if you sell a product at ₹10,000 and apply 18% GST:

• Exclusive GST: Final price becomes ₹11,800 (₹1,800 is GST)
• Inclusive GST: Base price is ₹8,474.58, GST is ₹1,525.42

Benefits of This Tool

• Fast, clean, and accurate
• Supports inclusive/exclusive logic
• No data saved, 100% secure
• Compliant with old regime planning

This GST calculator is ideal for traders, small businesses, freelancers, and tax professionals seeking real-time GST insights without backend login or signup.