Free calculator • 2026
GST/HST Registration Checker
Use worldwide taxable supplies before expenses, subject to the CRA rules and exclusions.
Important limitation
This tool provides a simplified estimate from the information entered. It does not account for every deduction, credit, benefit, surtax, premium, repayment, special rule or personal circumstance. For charities and public service bodies, this tool tests only taxable supplies and does not apply the separate gross-revenue test. Associated-person revenue, zero-rated supplies and excluded transactions require careful review.
Official references:CRA: When to register and start charging GST/HST
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