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Overtime Calculator

Updated

An overtime calculator helps you estimate your overtime earnings based on your hourly wage, total hours worked, and your province’s overtime rules. Whether you are picking up extra shifts or tracking your weekly pay, this tool shows your regular pay, overtime pay, total weekly earnings, and effective hourly rate.

How this overtime calculator works

Enter your regular hourly wage, standard weekly hours, total hours worked, and overtime multiplier. Select your province to see the standard overtime threshold, or set custom hours. The calculator shows your regular pay, overtime pay, total weekly pay, and effective hourly rate.

Hourly Wage
Standard Hours per Week
Total Hours Worked This Week
Overtime Rate
Province
Total Weekly Pay
Regular Hours
Regular Pay
Overtime Hours
OT Hourly Rate
Overtime Pay
Total Weekly Pay
Effective Hourly Rate

Overtime rules by province

Province OT Threshold OT Rate Double Time
Ontario 44 hrs/week 1.5×
British Columbia 8 hrs/day, 40 hrs/week 1.5× 2× after 12 hrs/day
Alberta 8 hrs/day, 44 hrs/week 1.5×
Quebec 40 hrs/week 1.5×
Manitoba 40 hrs/week 1.5×
Saskatchewan 8 hrs/day, 40 hrs/week 1.5×
Nova Scotia 48 hrs/week 1.5×
New Brunswick 44 hrs/week 1.5×
Newfoundland 40 hrs/week 1.5×
PEI 48 hrs/week 1.5×
Federal 40 hrs/week 1.5×

How overtime pay is calculated step by step

Example: Maria earns $28/hour in Ontario, works 52 hours this week.

  1. Regular hours: 44 hours (Ontario threshold)
  2. Overtime hours: 52 - 44 = 8 hours
  3. Regular pay: 44 × $28 = $1,232
  4. OT rate: $28 × 1.5 = $42/hour
  5. OT pay: 8 × $42 = $336
  6. Total gross pay: $1,232 + $336 = $1,568
  7. Effective hourly rate: $1,568 ÷ 52 = $30.15/hour

Overtime and taxes

While overtime is not taxed at a higher rate than regular income, your employer’s payroll system may withhold more tax from overtime-heavy paycheques. This happens because the system projects your pay period earnings across the full year and withholds accordingly.

What this means for you:

  • Your overtime paycheque may appear to be taxed heavily
  • At tax time, if your total annual income is lower than the projected amount, you may receive a refund
  • Use our withholding tax calculator to estimate what a paycheque looks like with and without overtime

Overtime strategies for employees

  1. Track your hours carefully — Keep a personal log separate from your employer’s timekeeping system
  2. Know your province’s rules — Check whether overtime is calculated daily, weekly, or both
  3. Get overtime agreements in writing — If banking overtime as time off, document the arrangement
  4. Understand your exemption status — Not all employees are entitled to overtime pay
  5. Factor overtime into financial planning — Do not count on overtime as guaranteed income for budgeting purposes

Converting overtime into annual impact

Weekly OT Hours OT Rate Extra Weekly Extra Monthly Extra Annually
2 hours $37.50 $75 $325 $3,900
5 hours $37.50 $188 $813 $9,750
10 hours $37.50 $375 $1,625 $19,500

Based on $25/hour base wage at 1.5× overtime.

Regular overtime can significantly boost your income. Consider using extra earnings to accelerate debt payoff, boost TFSA contributions, or build your emergency fund.

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