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Most employers accrue paid time off gradually — a fixed number of hours per pay period — rather than granting it all at once. Keeping track of your actual balance means multiplying that rate by how many pay periods you've worked, then subtracting anything you've already used.
This calculator does that math for you, showing your current PTO balance in both hours and days.
How it works
Enter your accrual rate (hours per pay period, from your employer's policy), how many pay periods you've worked, and any hours you've already used. The tool multiplies the rate by periods worked, then subtracts hours used to find your balance.
- Enter accrual rate (hours per pay period).
- Enter pay periods worked.
- Enter hours already used (optional).
- Click Calculate to see your results.
Examples
Biweekly accrual over a year
Accruing 6.15 hours per pay period over 26 pay periods (a full year, biweekly), with 16 hours already used, leaves a balance of 143.9 hours (about 18 days).
Who should use it
- Estimating current PTO balance before requesting time off.
- Planning how many pay periods until you've accrued enough time for a planned vacation.
Industry applications
- Human resources and payroll
Advantages
- Quick way to estimate PTO balance between official pay stub updates.
- Shows balance in both hours and days for convenience.
Limitations
- Doesn't account for accrual caps, rollover limits, or policy changes mid-year.
Common mistakes to avoid
- Not accounting for a PTO accrual cap, if your employer's policy has one — actual accrued time may stop increasing once you hit the cap.
- Mixing up pay period frequency (weekly, biweekly, semi-monthly, monthly) when counting periods worked.
Best practices
- Cross-check your calculated balance against your HR system's official PTO balance periodically, since policies can include caps or rollover rules this simple calculation doesn't capture.
Tips
- If your employer's policy includes a PTO cap, remember that once you hit it, further accrual may pause until you use some existing balance.