GST Calculator (Goods and Services Tax)

This tool helps to determine the GST amount and actual price for the product. This calculator provides 2 options by calculating the net price after GST or the original price before adding GST.

Please change the values below and click Generate button to calculate the GST amount.

Option 1: GST Inclusive

Price (ex GST): $925.93

GST Amount: $74.07

Price (in GST): $1,000.00

Option 2: GST Exclusive

Price (ex GST): $1,000.00

GST Amount: $80.00

Price (in GST): $1,080.00

GST Tax Calculation

Inclusive GST Calculation

The formula below is used for inclusive GST calculation,

GST Amount = Original Price (P) * GST Rate (R) / (100 + GST Rate (R))
Price (excluding GST) = Original Price(P) * 100/(100 + GST Rate (R))

Exclusive GST Calculation

The formula below is used for exclusive GST calculation,

GST Amount = (Original Price (P) * GST Rate (R)) / 100
Price (including GST) = Original Price (P) + GST Amount