GST Calculator 🌈 GST Calculator Forward Calculation Reverse Calculation Enter Base Amount (₹): Select GST Rate (%): 0% (Exempt) 3% 5% 6% 9% 12% 18% (Standard) 28% Enter Total Amount (₹): Select GST Rate (%): 0% (Exempt) 3% 5% 6% 9% 12% 18% (Standard) 28% Calculate Clear Base Amount: ₹0.00 GST Amount: ₹0.00 Total Amount: ₹0.00