2026 Ontario Income Tax Calculator

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Your estimate

A sole proprietor pays both halves of CPP on their profit, which is why the CPP line looks larger than an employee's. Half of it is deducted from your income and the other half earns a tax credit, and both are already applied above.

What this assumes

• You were resident in Ontario on December 31, 2026.
• Every dollar you enter is ordinary income. Capital gains, eligible dividends and non-eligible dividends are taxed differently and are not handled here.
• You claim the basic personal credits, and credits for CPP, EI and employment income. No spouse, dependants, tuition, medical expenses, donations or disability amounts.
• Self-employment income is your net profit after business expenses, not your revenue.
• Where you have both employment and self-employment income, the CPP exemption and ceilings are shared between them in proportion to each amount.
• Instalments, tax already withheld at source, and any balance owing from a prior year are not modelled.

The 2026 rates used

The income tax table below is a combined federal and Ontario table. The two are shown together because Ontario's surtax is charged on Ontario tax after credits, so the province's effective rate depends on the federal calculation. The table already includes the surtaxes, the Ontario tax reduction and the basic personal credits.

CPP and EI

A self-employed practitioner does not pay EI unless they opt in to the special benefits programme, so no EI is charged on self-employment income here. The Ontario Health Premium rises in steps from nil to $900.