This is very simple universal HST calculator for any Canadian province where Harmonized Sales Tax is used. This calculator can be used as well as reverse HST calculator.

Select the province you need to calculate HST for and then enter any value you know – HST value OR price including HST OR price exclusive HST – the other values will be calculated instantly.

Current HST rates are listed below the HST calculator.

HST rates

Current (2024) HST rates are:

ProvinceHST RateFederal PartProvincial Part
New Brunswick15%5%10%
Newfoundland and Labrador15%5%10%
Nova Scotia15%5%10%
Ontario13%5%8%
Prince Edward Island15%5%10%

History of HST implementation in Canada

In 1997 Harmonized Sales Tax (HST) was introduced in three provinces – New Brunswick, Newfoundland and Labrador, and Nova Scotia.

In 2010 HST was implemented in Ontario and British Columbia.

In 2013 Prince Edward Island Prince Edward Island harmonized its PST (Provincial Sales Tax) with the GST (Goods and Services Tax) to implement the HST. But British Columbia replaced HST back to GST/PST.

From 1st of July, 2016 HST rate increased to 15% in New Brunswick and Newfoundland and Labrador.

From 1st of October, 2016 Prince Edward Island HST rate was increased from 10% to 15%.

So currently five Canadian provinces have HST (Harmonized Sales Tax) implementation – New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario and Prince Edward Island.

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18 Replies to “HST Calculator”

  1. Over the years I have used many online HST Calculators when it came time to do my books. Some were easy others were complicated…But this one is simple, easy to use And gives you both answers…if you have receipts with or without the HST included!! I love this feature!! Great job!!

  2. I am trying to figure out what amount of HST was paid to me on my commission. My contractor just sent me the total amount with HST in it. I need for income tax purposes to break the HST out as I am self employed.

    1. Hi Jeannie,

      All you need to do – enter your amount into third field “Price including HST” and other values will be populated automatically and you will see what amount is without HST

  3. Hi i order package online and it cost 58US $ just heard i jave to pay import duty charges on it its 4 lipsticks how much they are gona charge me for handling mean how much is duty charges thanks

    1. Sarah, please use dot as decimal separator but not a comma.
      I.e. enter 10.45, but not 10,45

    2. Hi Sara,
      the issue should be fixed by now. Let us know if you still experience any problems.

  4. This calculator is very helpful and accurate and secondly the operating management is very concerned and reply fast.

  5. No decimal point to put in accurate figures! Please remedy quickly!!! Thanks. Love this tool:)

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