HST calculator
Add HST to a pre-tax amount, or work out how much HST is inside a total you have already been charged.
Ontario HST is 13%. Change this if you are calculating for another province.
Result
- Amount before tax
- $1,000.00
- HST at 13%
- $130.00
- Total
- $1,130.00
GST/HST registration threshold checker
See whether your sales have passed the $30,000 point at which registration becomes mandatory.
Worldwide taxable sales, before expenses.
The registration threshold is $30,000.00. Below it you may still choose to register voluntarily, which lets you claim input tax credits on the HST you pay on business purchases.
Result
You are under the threshold
You can still register voluntarily. You are $6,000.00 away from the $30,000.00 threshold.
Record retention date calculator
Work out how long you need to keep a given year's records, including the effect of filing late.
Leave blank if it was filed on time. The retention period starts later when a return is filed late.
Keep your records until
- Minimum required (six years)
- December 31, 2030
- Recommended practice (seven years)
- December 31, 2031
These are estimates, not advice