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Reverse Hst Calculator Ontario 2019

Reviewed by Calculator Editorial Team

This calculator helps you determine the original price before HST was applied in Ontario for 2019. Understanding reverse HST calculations is important for businesses and individuals who need to recover the original amount from a price that includes HST.

What is Reverse HST?

Reverse HST (Harmonized Sales Tax) is a process used to calculate the original price of a product or service before the HST was added. In Ontario, the HST rate in 2019 was 13%. When you receive a price that includes HST, you can use the reverse HST calculation to find out what the original price was before tax.

The Ontario HST rate in 2019 was 13%. This rate applies to most goods and services sold in Ontario.

Reverse HST calculations are commonly used in accounting, auditing, and business transactions where the original pre-tax amount needs to be determined from a post-tax amount.

How to Calculate Reverse HST

The formula to calculate the original price before HST is:

Original Price = Price with HST / (1 + HST Rate)

Where:

  • Original Price is the price before HST was added
  • Price with HST is the total price including HST
  • HST Rate is the tax rate (13% in Ontario for 2019)

For example, if you have a price of $100 that includes HST, you would calculate the original price as follows:

Original Price = $100 / (1 + 0.13) = $100 / 1.13 ≈ $88.42

This means the original price before HST was approximately $88.42.

Example Calculation

Let's walk through a complete example to illustrate how reverse HST works in Ontario for 2019.

Scenario

You receive an invoice for a service in Ontario that totals $500 including HST. You need to determine the original price before HST was added.

Step 1: Identify the HST Rate

The Ontario HST rate in 2019 was 13%.

Step 2: Apply the Reverse HST Formula

Using the formula:

Original Price = $500 / (1 + 0.13) = $500 / 1.13 ≈ $442.48

Step 3: Interpret the Result

The original price before HST was approximately $442.48. This means the service provider charged $442.48 for the service, and $57.52 was added as HST.

Remember that this calculation assumes the HST rate was 13% in 2019. If the rate changes in future years, the calculation will need to be adjusted accordingly.

FAQ

What is the difference between GST and HST?
GST (Goods and Services Tax) is a federal tax, while HST (Harmonized Sales Tax) is a provincial tax that includes the GST plus the provincial sales tax. In Ontario, HST combines the federal GST and the provincial sales tax.
Can I use this calculator for other provinces?
No, this calculator is specifically for Ontario's HST rate in 2019. Different provinces have different tax rates, so you would need to use a calculator designed for your specific province.
Is the HST rate the same for all goods and services?
Yes, in Ontario, the HST rate in 2019 was 13% for most goods and services. However, some specific items may have different tax rates, but this calculator uses the standard rate.
How do I know if a price includes HST?
Typically, prices that include HST will be labeled as "including HST" or "plus HST" on invoices and receipts. If you're unsure, you can check with the seller or refer to the official government guidelines.
Can I use this calculator for historical data?
This calculator is specifically for Ontario's HST rate in 2019. If you need to calculate reverse HST for a different year, you would need to use the appropriate tax rate for that year.