Calculate GST amount, total with GST, CGST, and SGST components. Free online GST calculator with formula, examples, and FAQ.
GST (Goods and Services Tax) is a comprehensive indirect tax levied on the supply of goods and services. The GST calculator helps you quickly determine the GST amount, total price including GST, and the split between CGST (Central GST) and SGST (State GST) for intra-state supplies.
GST Amount = Original Amount × GST Rate / 100 | Total = Amount + GST | CGST = SGST = GST / 2The GST amount is calculated by multiplying the original amount by the GST rate percentage. For intra-state transactions, GST is split equally into CGST (Central GST) and SGST (State GST). For inter-state transactions, the full GST is collected as IGST (Integrated GST).
| Input | Output |
|---|---|
| Amount: $1,000, GST: 18% | GST: $180, Total: $1,180, CGST: $90, SGST: $90 |
| Amount: $5,000, GST: 12% | GST: $600, Total: $5,600, CGST: $300, SGST: $300 |
| Amount: $500, GST: 5% | GST: $25, Total: $525, CGST: $12.50, SGST: $12.50 |