Monthly Overtime Summary Calculator
Standard Formula
Sums four weekly overtime totals into a consolidated monthly payroll figure.
Monthly summary consolidating individual weekly overtime amounts across 4 workweeks.
How Monthly Overtime Summary Calculator Works?
The Monthly Overtime Summary Calculator works by adding the overtime hours from 4 workweeks and pricing them at 1.5× the hourly rate. The tool then adds 160 regular hours for a monthly gross.
1Enter the hourly rate
Type the base wage, $28.00 by default.
2Enter overtime per week
Add overtime hours for Weeks 1 to 4, for example 6, 10, 4 and 8.
3Read total overtime
The tool totals 28 overtime hours and returns $1,176.00 of overtime pay.
4Read the monthly gross
160 regular hours ($4,480.00) plus overtime returns $5,656.00.
Monthly Overtime Summary Calculator Formula
The Monthly Overtime Summary Calculator formula is Monthly OT Pay = (W1 + W2 + W3 + W4) × Rate × 1.5.
Total overtime hours
Total OT = W1 + W2 + W3 + W4
Monthly overtime pay
OT Pay = Total OT × Rate × 1.5
Monthly gross
Gross = (160 × Rate) + OT Pay
- W1–W4
- Overtime hours in each of the 4 workweeks.
- 160
- Regular hours in 4 weeks of 40 hours.
- Gross
- Monthly earnings before deductions.
Worked example: a 5-week month
Months with 5 pay weeks add a fifth week. A 5th week with 5 overtime hours at $28.00 adds $210.00 of overtime and $1,120.00 of regular pay.
Run the calculator for Weeks 1–4, then add the fifth week by hand.
Monthly Overtime Summary Calculator Conversion Table
The Monthly Overtime Summary Calculator conversion table shows monthly overtime pay and gross pay for 6 monthly overtime totals at $20.00 and $28.00 per hour.
| Monthly OT Hours | Avg OT per Week | OT Pay at $20 | Gross at $20 | OT Pay at $28 | Gross at $28 |
|---|---|---|---|---|---|
| 0 hrs | 0 hrs | $0.00 | $3,200.00 | $0.00 | $4,480.00 |
| 8 hrs | 2 hrs | $240.00 | $3,440.00 | $336.00 | $4,816.00 |
| 16 hrs | 4 hrs | $480.00 | $3,680.00 | $672.00 | $5,152.00 |
| 20 hrs | 5 hrs | $600.00 | $3,800.00 | $840.00 | $5,320.00 |
| 28 hrs | 7 hrs | $840.00 | $4,040.00 | $1,176.00 | $5,656.00 |
| 40 hrs | 10 hrs | $1,200.00 | $4,400.00 | $1,680.00 | $6,160.00 |
What is Monthly Overtime Summary Calculator?
A Monthly Overtime Summary Calculator is a reporting tool that rolls 4 weekly overtime totals into one monthly figure.
Overtime is earned per workweek but often reported per month in budgets and management reports. The calculator keeps each week separate before summing, so no week offsets another.
A calendar month averages 4.33 weeks (52 ÷ 12). The 4-week model is a clean planning figure, not an exact calendar month.
What are the uses of Monthly Overtime Summary Calculator?
There are 4 main uses of the Monthly Overtime Summary Calculator.
Monthly reports
Supervisors report total overtime hours and cost to finance.
Household budgets
Workers plan monthly spending from 4 weeks of overtime.
Trend tracking
Employees compare overtime month over month.
Loan income history
Borrowers summarize monthly overtime for an income statement.