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Ontario HST calculator

Calculation
HST 13 %
$7.80
Total
$67.79

The calculator opens on Ontario. Enter the price before tax to add HST, or switch to Remove tax to find the price before HST from a total.

How Ontario HST works

Ontario charges one sales tax, the Harmonized Sales Tax (HST), at 13%: the 5% federal GST and an 8% provincial portion collected together. There's no separate provincial sales tax on top.

  • HST = price before tax × 13%
  • Total = price before tax × 1.13

Example: on a price of 100.00, the HST is 13.00 and the total is 113.00.

Removing HST from a total

  • Price before tax = total ÷ 1.13

Example: a total of 56.50 is 50.00 before HST (HST 6.50). For other provinces, use the GST calculator; to take tax off any total, the reverse sales tax calculator.

Questions

What is the HST rate in Ontario?

13%. It's a single harmonized tax that combines the 5% federal GST and an 8% provincial portion.

How do I calculate HST in Ontario?

Multiply the price before tax by 13% and round to the cent, then add it to the price. On 100.00 the HST is 13.00 and the total is 113.00.

How do I remove HST from a total in Ontario?

Divide the tax-included total by 1.13. A total of 113.00 is 100.00 before HST. Switch the calculator to Remove tax to do it, rounded to the cent.

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