Bonus Tax Calculator
Calculate the tax withheld on a one-off bonus payment and your net take-home amount after federal tax, provincial tax, CPP, and EI deductions for the 2026 or 2025 tax year.
Key Takeaway
There is no special “bonus tax” in Canada. Bonuses are taxed at your marginal rate as lump-sum payments — but employer withholding may temporarily over-deduct. CPP and EI also apply up to their annual caps.
Key Facts — 2026
Bonus Tax Rate
Marginal rate
CPP Rate
5.95%
EI Rate
1.63% (1.30% QC)
Federal BPA
$16,452
Bonus Details
Bonus Tax Summary
Effective Rate on Bonus
37.0%
Combined Marginal Rate
30.0%
How it works: CRA treats bonuses as lump-sum payments. Tax is calculated as the incremental income tax on salary + bonus versus salary alone. CPP and EI are also deducted on the bonus amount, subject to annual maximums. Quebec residents pay a lower EI rate (QPIP applies separately).
How Bonus Tax Works in Canada
The CRA treats bonuses as lump-sum payments. Unlike regular pay, which is taxed on each pay period based on the annualised amount, a bonus is subject to a withholding calculation that compares your total income (salary plus bonus) against your salary alone. The difference in tax between these two amounts is the tax withheld from the bonus. This means the bonus is effectively taxed at your marginal rate — there is no special “bonus tax” in Canada.
Employer withholding: Employers may use either the CRA’s detailed method (comparing tax with and without the bonus) or a simplified lump-sum flat-rate method. The detailed method is more accurate, but both can result in over-withholding because they estimate annual tax based on incomplete information. Any difference is reconciled when you file your T1 return.
CPP contributions: Canada Pension Plan contributions are deducted from your bonus if you have not reached the Year’s Maximum Pensionable Earnings (YMPE) of $74,600 for 2026. The employee rate is 5.95% on pensionable earnings above the $3,500 basic exemption. If your total earnings exceed the YMPE, CPP2 (enhanced) contributions apply at 4% on the portion between $74,600 and $85,000.
EI premiums: Employment Insurance premiums apply to the bonus up to the maximum insurable earnings of $68,900 for 2026. The employee rate is 1.63% outside Quebec. Quebec residents pay a lower EI rate of 1.30% because they contribute to the Quebec Parental Insurance Plan (QPIP) separately, which covers parental and maternity benefits instead of EI.
Why withholding may differ from actual tax: The tax withheld on your bonus may not match what you actually owe. Your employer bases withholding on your year-to-date income and projected annual income, but cannot account for all credits, deductions (such as RRSP contributions), or other income sources. When you file your return, the CRA calculates your actual tax liability on total income, and any overpayment is refunded.
Federal Tax Brackets — 2026
Your bonus is taxed at the marginal rate determined by your total taxable income (salary + bonus). The Basic Personal Amount of $16,452 provides a non-refundable credit at 14%.
| Taxable Income | Federal Rate |
|---|---|
| Up to $58,523 | 14% |
| $58,524 – $117,045 | 20.5% |
| $117,046 – $181,440 | 26% |
| $181,441 – $258,482 | 29% |
| Over $258,482 | 33% |
Worked Example
Scenario: You earn $80,000 per year in Ontario and receive a $10,000 bonus. You want to know how much of that bonus you will actually take home.
Step 1 — Federal tax on bonus: On $80,000 salary alone, federal tax is 14% on the first $58,523 = $8,193, plus 20.5% on $21,477 ($80,000 − $58,523) = $4,403. Total federal tax on salary: $12,596. On $90,000 (salary + bonus), federal tax is $8,193 + 20.5% on $31,477 = $14,646. Federal tax on the bonus: $14,646 − $12,596 = $2,050.
Step 2 — Ontario provincial tax on bonus: Ontario taxes $80,000 at 5.05% on the first $54,367 = $2,746, plus 9.15% on $25,633 = $2,345. Total provincial tax on salary: $5,091. On $90,000: $2,746 + 9.15% on $35,633 = $6,007. Provincial tax on the bonus: $6,007 − $5,091 = $916.
Step 3 — CPP on bonus: The YMPE for 2026 is $74,600. At $80,000 salary, you have already maxed out CPP1 contributions. However, CPP2 applies at 4% on earnings between $74,600 and $85,000. Your bonus pushes total earnings from $80,000 to $85,000 (capped), so CPP2 on the bonus is 4% × $5,000 = $200.
Step 4 — EI on bonus: The maximum insurable earnings for 2026 is $68,900. At $80,000 salary, you have already reached the EI cap, so no additional EI is deducted from the bonus: $0.
Total deductions on bonus: $2,050 + $916 + $200 + $0 = $3,166.
Net bonus: $10,000 − $3,166 = $6,834.
Your effective tax rate on the bonus is approximately 31.7%.
Note: This example uses gross bracket calculations before BPA credits for clarity. The calculator applies all credits and produces precise results.
Frequently asked questions
How are bonuses taxed in Canada?
There is no special bonus tax rate in Canada. The CRA treats bonuses as lump-sum payments. Your employer adds the bonus to your salary and calculates the incremental federal and provincial income tax at your marginal rate. CPP and EI also apply up to their respective annual caps. The actual tax on the bonus depends on your total income for the year.
Do I pay CPP on my bonus?
Yes. CPP contributions are deducted from bonus payments if you have not reached the Year’s Maximum Pensionable Earnings (YMPE) of $74,600 for 2026. The employee rate is 5.95%. If your total earnings exceed the YMPE, CPP2 contributions apply at 4% on the portion between $74,600 and $85,000. Once you exceed both ceilings, no further CPP is deducted.
Do I pay EI on my bonus?
Yes. EI premiums are deducted from bonus payments up to the maximum insurable earnings of $68,900 for 2026. The employee rate is 1.63% outside Quebec. If your salary has already reached the EI cap, no additional EI is withheld from the bonus. Your employer also pays EI premiums at 1.4 times the employee rate.
Is bonus tax different in Quebec?
Quebec has its own provincial income tax administered by Revenu Québec, separate from the CRA. Quebec residents pay a lower EI rate (1.30% vs 1.63%) because they contribute to the Quebec Parental Insurance Plan (QPIP) instead. Federal tax for Quebec residents is reduced by a 16.5% Quebec Abatement. Provincial rates in Quebec range from 14% to 25.75%.
Can I put my bonus in an RRSP to reduce tax?
Yes. Contributing your bonus to an RRSP reduces your taxable income, which can lower or eliminate the tax on the bonus. Your RRSP contribution room is 18% of your previous year’s earned income, up to $33,810 for 2026. If your employer offers a group RRSP, you may be able to contribute before payroll deductions, avoiding withholding tax entirely. Unused room carries forward indefinitely.
Will I get a refund if too much was withheld?
You may receive a refund when you file your T1 return. Employers withhold tax using methods that may overestimate your annual tax liability. When the CRA processes your return, it calculates the actual tax on your total income for the year. If withholding exceeded the actual amount owed, the difference is refunded. RRSP contributions, charitable donations, and other deductions can further increase your refund.
How is employer withholding calculated on bonuses?
The CRA instructs employers to calculate bonus withholding by comparing the tax on year-to-date income including the bonus against the tax on year-to-date income without the bonus. The difference is the tax to withhold. This effectively applies your marginal rate to the bonus. Some employers use a simplified lump-sum flat-rate method, which may result in over- or under-withholding that is reconciled at filing time.
Sources
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Last updated April 2026. Reflects 2026 tax year rates.