HSTCalculator.ca provides free calculators for calculating and reversing Harmonized Sales Tax in Canada. Our calculators cover Ontario, Nova Scotia, New Brunswick, Prince Edward Island, and Newfoundland and Labrador using the applicable current HST rates.
Use the main HST calculator to add or remove HST from an amount, or choose a province-specific calculator for local rates and historical information. If you notice an error or have a suggestion, please contact us. HSTCalculator.ca provides general informational tools and does not offer individual tax, accounting, or legal advice.