The Goods and Services Tax (GST) is a comprehensive indirect tax on the supply of goods and services. Key features of GST: - Single tax system replacing multiple indirect taxes - Different tax slabs (5%, 12%, 18%, 28%) - CGST and SGST components - Input tax credit facility - Composition scheme for small businesses Benefits of GST: 1. Simplified tax structure 2. Elimination of cascading effect 3. Uniform tax rates across India 4. Improved compliance 5. Better transparency How to use the calculator: 1. Enter the amount 2. Select GST rate 3. Choose calculation type (inclusive/exclusive) 4. View detailed breakdown of tax components The calculator shows: - Base amount - CGST amount - SGST amount - Total GST - Final amount