← All calculatorsFinance
GST / Sales Tax Calculator
Calculate tax added to a net amount or removed from a tax-inclusive amount.
Results
Enter your values and select Calculate to see the result.
Formula and assumptions
Added tax = net × rate / 100; included tax = gross − gross / (1 + rate / 100).
Enter the rate applicable to your transaction. Add-tax and remove-tax scenarios are separate; no current tax slab is inferred.
Frequently Asked Questions
Added tax = net × rate / 100; included tax = gross − gross / (1 + rate / 100).
Enter the rate applicable to your transaction. Add-tax and remove-tax scenarios are separate; no current tax slab is inferred.
Calculations run in your browser. Calculator values are not included in calculation analytics events.