Paid Time Off (PTO) Accrual Calculator

Enter your scheduled and worked hours, accrual rate, and current balance to calculate your new PTO balance, annual accrual, attendance rate, and cap usage.
Luis GonzalezCreated by Luis GonzalezLast updated:

How to Use This Calculator

  1. 1

    Enter Scheduled Hours

    Input the total hours you were scheduled to work for the current period (e.g., 40 hours for a full week).

  2. 2

    Enter Worked Hours

    Input the actual hours you worked during this period. This helps calculate your attendance rate.

  3. 3

    Select Accrual Period

    Choose how frequently PTO is accrued: Per Hour Worked, Weekly, Bi-Weekly, Semi-Monthly, or Monthly.

  4. 4

    Specify Accrual Rate

    Enter the rate at which PTO is earned (e.g., 0.0385 hours per hour worked, or 8 hours per month).

  5. 5

    Enter Current PTO Balance and Maximum Cap

    Input your PTO balance at the start of this period and the maximum hours your employer allows you to accumulate.

  6. 6

    Review Your PTO Summary

    The calculator displays your New PTO Balance, Accrued This Period, Attendance Rate, Annual PTO Accrual, and Remaining Cap Space. The insights panel shows cap utilization, hours variance, and annual equivalent in days.

Example Calculation

An employee wants to calculate their new PTO balance after working 37.5 hours in a week, with a 0.0385 hr/hr accrual rate, a current balance of 24 hrs, and a 120 hr cap.

Scheduled Hours

40 hrs

Worked Hours

37.5 hrs

Accrual Period

Per Hour Worked

Accrual Rate

0.0385 hrs

Current PTO Balance

24 hrs

Maximum PTO Cap

120 hrs

Results

New PTO Balance

25.44 hrs

Accrued This Period

1.44 hrs

Attendance Rate

93.8%

Annual PTO Accrual

80.1 hrs

Remaining Cap Space

94.56 hrs

Tips

Plan for Cap Limits

If your PTO balance is approaching the maximum cap, plan to use some hours to avoid losing accrued time. With a 120-hour cap and 94.56 hrs remaining, you still have room, but at 80.1 hrs/year accrual you could hit the cap within 14 months if you don't use any PTO.

Understand Carryover Policies

Clarify with HR how many PTO hours carry over to the next year. Some companies allow full carryover while others cap it at 40 hours. This directly affects whether you should accelerate usage before year-end.

Track Attendance Patterns

An attendance rate of 93.8% (like the example's 37.5 of 40 hours) is acceptable but below 95%. Some employers link PTO bonuses or eligibility to consistent attendance above 95%, so monitoring this rate helps you stay on target.

Calculating Your Paid Time Off (PTO) Accrual and Balance

The Paid Time Off (PTO) Accrual Calculator provides a comprehensive overview of your leave benefits, including hours accrued per period, new balance, remaining cap space, and attendance rate.

For example, an employee working 37.5 of 40 scheduled hours with a 0.0385 hr/hr accrual rate would earn 1.44 hours of PTO, bringing a 24-hour starting balance to 25.44 hours — with 94.56 hours of cap space remaining out of 120. This clarity is essential for financial planning and work-life balance in 2026.

The Logic Behind Your PTO Accrual Calculation

The calculator determines your earned leave based on your hours worked or fixed accrual rate, then adjusts for maximum balance caps.

The core formulas are:

Attendance Rate (%) = (Worked Hours / Scheduled Hours) x 100
Accrued This Period (hourly) = Worked Hours x Accrual Rate
Accrued This Period (fixed) = Accrual Rate (for the selected period)
New PTO Balance = MIN(Current Balance + Accrued This Period, Maximum PTO Cap)
Remaining Cap Space = Maximum PTO Cap - New PTO Balance
Annual Accrual (hourly) = (52 x Scheduled Hours) x Accrual Rate
Annual Days = Annual Accrual / (Scheduled Hours / 5)
💡 To understand other types of leave, our Family Leave Calculator provides details on eligibility and duration for family-related absences.

Calculating PTO for a Weekly Pay Period

Consider an employee scheduled for 40 hours who worked 37.5 hours, with a 0.0385 hr/hr accrual rate, a current balance of 24 hours, and a 120-hour cap.

  1. Calculate Accrued This Period: Accrued = 37.5 hrs x 0.0385 = 1.44 hrs
  2. Calculate New PTO Balance: New Balance = MIN(24 + 1.44, 120) = MIN(25.44, 120) = 25.44 hrs
  3. Calculate Attendance Rate: Attendance = (37.5 / 40) x 100 = 93.8%
  4. Calculate Annual Accrual: Annual = (52 x 40) x 0.0385 = 2,080 x 0.0385 = 80.1 hrs
  5. Convert to Days: Annual Days = 80.1 / (40 / 5) = 80.1 / 8 = 10.0 days
  6. Calculate Remaining Cap Space: Cap Space = 120 - 25.44 = 94.56 hrs (21% of cap used)

The employee's PTO balance grows to 25.44 hours, with 94.56 hours of cap space remaining.

At 80.1 hours/year, this equates to the standard 2-week (10-day) annual allotment.

💡 For specific federal leave entitlements, our FMLA Leave Hours Remaining Calculator helps track eligibility and usage for qualifying family and medical reasons.

Legal Compliance for Paid Time Off Accrual

PTO accrual is subject to various state and federal regulations in the United States.

While the Fair Labor Standards Act (FLSA) does not mandate paid vacation or sick leave, many states have enacted their own laws.

California, Arizona, and New York City require employers to provide paid sick leave with specific accrual rates and carryover provisions.

Some states have "use it or lose it" laws dictating whether accrued but unused PTO can be forfeited at year-end.

Critically, states including California and Massachusetts consider accrued PTO as earned wages that must be paid out upon termination.

Employers must meticulously track accrual, usage, and payout to comply with the most stringent local regulations in effect for 2026.

Frequently Asked Questions

What is PTO accrual and how does it work?

PTO (Paid Time Off) accrual is the process by which employees earn hours of paid leave over time. For example, with an hourly accrual rate of 0.0385, you earn approximately 1 hour of PTO for every 26 hours worked. Working 37.5 hours at this rate earns 1.44 hours of PTO, which gets added to your existing balance (subject to any cap).

What is a PTO cap and why do employers use it?

A PTO cap is the maximum number of paid time off hours an employee can accumulate — for example, 120 hours. Employers use caps to manage financial liabilities (accrued PTO is an expense paid out if an employee leaves) and to encourage regular time off that promotes well-being and prevents burnout.

How is the attendance rate calculated?

Attendance rate is calculated by dividing actual hours worked by scheduled hours, then multiplying by 100. For example, 37.5 worked hours / 40 scheduled hours x 100 = 93.8%. While attendance doesn't always directly impact PTO accrual, some employers link benefits or bonus PTO to maintaining attendance above certain thresholds.

How is annual PTO accrual estimated?

For hourly accrual, annual hours = (weeks per year x scheduled hours per week) x accrual rate. With 40 scheduled hours and a 0.0385 rate: 52 x 40 x 0.0385 = 80.1 hours per year. Dividing by 8 hours per day gives approximately 10.0 days — matching the standard 2-week annual allotment.