RRSP tax calculator — Ontario 2026

How much tax will an RRSP contribution actually save you in Ontario? SimulRRSP computes your full 2026 federal and provincial tax with and without the contribution and shows the exact difference — free, bilingual and 100% private (everything runs on your device).

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Ontario tax brackets for 2026

Federal brackets (14% to 33% in 2026) apply on top of the provincial rates above. Your RRSP savings depend on the combined marginal rate at your income.

Worked examples (Ontario, 2026)

• With a taxable income of $60,000, a $5,000 RRSP contribution saves about $1,254 in tax (25.07% back per dollar).
• With a taxable income of $90,000, a $10,000 RRSP contribution saves about $2,965 in tax (29.65% back per dollar).
• With a taxable income of $130,000, a $15,000 RRSP contribution saves about $6,399 in tax (42.66% back per dollar).

These are real outputs of the SimulRRSP engine — the same calculation validated against independent references. Your exact number depends on your situation: use the calculator.

Specifics for Ontario

Ontario adds a surtax on provincial tax and the income-based Ontario Health Premium — both included in the calculation, unlike most calculators.

Frequently asked questions

What is the marginal tax rate in Ontario at $75,000?

Combined federal + provincial, about 29.65% on the next dollar in 2026. SimulRRSP computes your exact rate for any income.

What is the RRSP contribution limit for 2026?

18% of your previous year's earned income, up to $33,810, plus unused room from your CRA Notice of Assessment.

What is the RRSP deadline for the 2026 tax year?

March 1, 2027 — contributions in the first 60 days of 2027 still count for 2026.