How to Use This Calculator
- 1
Enter your pay details
Input your hourly rate, hours worked per week, and weeks worked per year. Standard full-time is 40 hours and 52 weeks; use 50 weeks if you take 2 weeks unpaid leave.
- 2
Review your results
The calculator shows three result cards — Biweekly Pay, Annual Salary, and Monthly Pay — plus an insights card with weekly pay, daily pay, pay period count, and overtime notes.
Example Calculation
A software developer earning $45.00/hr works 38 hours per week for 50 weeks per year.
Hourly Rate ($)
$45.00
Hours per Week
38
Weeks per Year
50
Results
Biweekly Pay
$3,288.46
Annual Salary
$85,500.00
Monthly Pay
$7,125.00
Insights card shows weekly pay ($1,710.
Tips
Account for Unpaid Leave
Reducing weeks from 52 to 50 (two weeks unpaid leave) drops your annual pay from $58,240.00 to $56,000.00 — a $2,240.00 difference, or $86.15 less per biweekly check at $28/hr and 40 hours.
Calculate Overtime Properly
At $28/hr and 45 hours/week with overtime at 1.5x for hours over 40, your biweekly pay is $2,660.00 vs. $2,520.00 without the overtime premium — a $140.00 boost every two weeks.
Quantify a Raise
A $2/hr raise from $28 to $30 at 40 hours and 52 weeks adds $4,160.00 annually and $160.00 per biweekly paycheck, bringing your biweekly from $2,240.00 to $2,400.00.
Estimate Take-Home Pay
At a 25% effective tax and deduction rate, a $2,240.00 gross biweekly paycheck becomes roughly $1,680.00 take-home. Use your actual deduction percentage to plan spending against net, not gross.
The Biweekly Paycheck Formula
The calculator converts your hourly rate into annual, monthly, and biweekly gross pay using straightforward multiplication and division:
Annual Pay = Hourly Rate x Hours per Week x Weeks per Year
Biweekly Pay = Annual Pay / 26
Monthly Pay = Annual Pay / 12
For example, at $28/hr working 40 hours for 52 weeks: Annual = $58,240.00, Biweekly = $2,240.00, Monthly = $4,853.33.
The division by 26 reflects the 26 two-week periods in a calendar year.
Worked Example: Software Developer at $45/hr
A developer earning $45.00/hr, working 38 hours/week for 50 weeks (two weeks unpaid leave):
| Metric | Calculation | Amount |
|---|---|---|
| Annual Pay | $45 x 38 x 50 | $85,500.00 |
| Biweekly Pay | $85,500 / 26 | $3,288.46 |
| Monthly Pay | $85,500 / 12 | $7,125.00 |
| Weekly Pay | $45 x 38 | $1,710.00 |
| Daily Pay | $1,710 / 5 | $342.00 |
The biweekly figure of $3,288.46 is the gross amount before taxes and deductions.
At a 25% effective deduction rate, take-home would be roughly $2,466.35 per paycheck.
Overtime and the FLSA
Under the Fair Labor Standards Act, non-exempt employees earn 1.5x their regular rate for hours exceeding 40 per week.
This significantly affects biweekly pay:
At $28/hr with 45 hours/week:
- Regular pay: 40 hrs x $28 = $1,120.00/week
- Overtime pay: 5 hrs x $42 = $210.00/week
- Weekly total: $1,330.00
- Biweekly total: $2,660.00 (vs. $2,240.00 at 40 hrs — a $420.00 increase)
Some states like California also mandate daily overtime (over 8 hours in a single day), which can stack on top of the weekly threshold.
Always check your state's specific overtime rules.
Frequently Asked Questions
What is the difference between biweekly and semi-monthly pay?
Biweekly pay is every two weeks (26 paychecks/year), while semi-monthly is twice per month on fixed dates like the 1st and 15th (24 paychecks/year). On a $58,240 annual salary, biweekly checks are $2,240.00 each while semi-monthly checks are $2,426.67 each — larger but less frequent.
How is biweekly pay calculated from an hourly rate?
The formula is: Annual Pay = Hourly Rate x Hours/Week x Weeks/Year, then Biweekly Pay = Annual Pay / 26. For example, $28/hr x 40 hrs x 52 weeks = $58,240 annual, divided by 26 = $2,240.00 biweekly.
Why do some months have three biweekly paychecks?
With 26 biweekly pay periods in a year and only 12 months, two months will contain three paydays instead of two. That extra $2,240.00 paycheck (at $28/hr, 40 hrs) is a great opportunity to boost savings or pay down debt.
How does biweekly pay affect monthly budgeting?
Most months you receive 2 biweekly checks ($4,480.00 at $28/hr, 40 hrs), but twice a year you get 3 checks ($6,720.00 that month). Budget around the two-check baseline and treat the third check as a bonus for savings or goals.
How do I factor in overtime for biweekly pay?
Under the FLSA, hours over 40/week are paid at 1.5x. At $28/hr with 5 overtime hours, your weekly pay becomes $1,330.00 (40 x $28 + 5 x $42), and biweekly jumps to $2,660.00 — $420.00 more than the standard $2,240.00 biweekly with no overtime.
What happens to biweekly pay if I take unpaid leave?
Reduce weeks per year to match actual working weeks. At $28/hr and 40 hrs, going from 52 to 50 weeks lowers your annual from $58,240 to $56,000 and biweekly from $2,240.00 to $2,153.85 — a $86.15 per-paycheck reduction.