GST/HST Small Supplier Threshold Calculator Canada
Estimate where your recent revenue sits relative to the common CRA small supplier threshold.
Last updated: May 2026
What is the GST/HST small supplier threshold?
A commonly referenced CRA threshold for taxable supplies is $30,000, assessed using specific timing tests.
What counts as taxable supplies?
Some supplies may be taxable, zero-rated, or exempt; treatment can differ by situation.
Current quarter vs four-quarter test
Both current-quarter and rolling four-quarter views can matter when monitoring threshold risk.
GST/HST rates by province and territory
Rates vary across jurisdictions and can affect invoicing and remittance practices.
What happens if you exceed the threshold?
Registration obligations may be triggered and timing can be important for compliance.
Why registration timing matters
Late registration can create administrative and cash-flow complications.
FAQ
Is this a legal determination?
No. This is an educational estimate only.
Do all revenues count the same way?
No. Exempt and zero-rated treatment can differ from taxable supplies.
Should I confirm with CRA?
Yes, or consult a qualified tax professional for your specific situation.
Disclaimer
This calculator is for educational purposes only and is not tax, accounting, legal, financial, or business advice. Results are estimates and may not reflect your personal situation. Verify GST/HST registration rules with CRA or a qualified tax professional.
Trust, assumptions, and maintenance
Last updated: May 2026
Calculator Accuracy
Methodology summary
This calculator provides a simplified estimate based on your inputs and educational assumptions for planning scenarios.
Accuracy notes
Results are estimates. Actual outcomes can vary based on full tax rules, lender terms, benefit formulas, timing, and personal circumstances.
Assumptions
- Calculations are simplified and educational.
- Results depend on your inputs and scenario choices.
- Tax, benefit, mortgage, and government rules can change over time.
- Users should verify important decisions with official sources or qualified professionals.
When to verify with an official source or professional
Verify before filing taxes, signing mortgages or loans, drawing retirement income, making contribution decisions, or relying on benefits calculations.
Disclaimer
This calculator is for educational purposes only and is not financial, tax, legal, accounting, mortgage, debt, retirement, investment, or government benefits advice.
Found a mistake or outdated assumption? Contact us so we can review it.