How LoonieLedger Calculates Your Numbers

Federal income tax

Federal tax brackets and the Basic Personal Amount (BPA), including its high-income phase-out, come from the CRA's published current and historical income tax rates for individuals.

CRA – Canadian income tax rates for individuals

Provincial and territorial income tax

Each province and territory's own brackets and Basic Personal Amount come from the same CRA rates page, except Quebec — since Quebec collects its own provincial tax independently, its brackets and BPA come directly from Revenu Québec, and our calculator applies the federal abatement Quebec residents receive on their basic federal tax.

CRA – Canadian income tax rates for individuals · Revenu Québec – Income tax rates

CPP and QPP contributions

Canada Pension Plan rates, the Year's Maximum Pensionable Earnings, the basic exemption, and the CPP2 second-tier rate and ceiling come from the CRA's payroll deductions pages. Quebec Pension Plan figures, including the QPP2 second additional plan, come directly from Retraite Québec.

CRA – CPP contribution rates, maximums and exemptions · Retraite Québec – Régime de rentes du Québec, key figures

GST, HST, PST, and QST rates

Sales tax rates for every province and territory, and which combination of GST/HST/PST applies where, come from the CRA's own rate-and-place-of-supply guidance.

CRA – Charge and collect the GST/HST

CRA mileage rate

The per-kilometre reference rate (and the territory bonus) used by the mileage log tool comes from the CRA's motor vehicle expenses guidance for sole proprietors — see our guide on why this published rate isn't the same thing as a self-employed vehicle expense deduction.

CRA – Motor vehicle expenses

How we verify these figures

Because canada.ca blocks most automated fetching, every figure on this page was checked by hand against at least two independent references (the CRA source above plus a secondary confirmation) rather than pulled from a single source. Figures are re-verified whenever the CRA publishes updated annual numbers, typically each fall for the following tax year.