All Harmonized Sales Tax calculators on this site can be used as well as reverse HST calculator. It is very easy to use it.
You have a total price with HST included and want to find out a price without Harmonized Sales Tax ? Enter that total price into “Price including HST” input box at the bottom of calculator and you will get excluding HST value and HST value.
How to use HST Calculator for reverse HST Calculation
Enter HST inclusive price on the bottom:
HST value and price without HST will be calculated automatically :
On the right sidebar there is list of calculators for all Canadian provinces where HST is introduced.