Add a user-supplied tax rate to an amount or remove an included percentage rate from a total.
How to use this calculator
Enter the amount and the rate that applies to your situation. Choose Add tax or Remove included tax, then calculate.
Worked example
Adding 18% to 1,000 returns 1,180. Removing an included 18% from 1,180 returns 1,000.
Assumptions
The rate is entered by the user and is treated as a simple percentage applied once to the amount.
Limitations
This tool does not determine which tax law, exemption, slab, threshold or statutory rate applies to a person or transaction.