Work, pay & shifts
How to Project Your PTO Balance for a Future Date
A PTO balance on a pay stub is a snapshot. To plan time off, you need the balance on the day you leave — after the accruals still to come and the days you have already booked. This guide works through a projection by hand, so you can see where each number comes from and what to check along the way.
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What you need
- Your current balance and the date it is from — the latest pay stub or HR portal figure.
- How much PTO you earn each time, and the next date it will be added.
- Any time off you already plan to take, with dates.
- Your policy’s cap, if there is one.
Count the accruals still to come
With PTO added every 14 days starting October 15, 2026, the accruals up to April 8, 2027 fall on October 15 plus multiples of 14 days. 175 days separate those dates, which is 12 whole steps of 14, so there are 13 accrual dates including the first.
A worked projection
Starting from 40 hours on October 8, 2026, adding 4 hours every two weeks, with 16 hours off on November 25 and a 40-hour week off starting December 21:
| Date | Time off | PTO added | Balance |
|---|---|---|---|
| Oct 15, 2026 | +4 | 44 | |
| Oct 29, 2026 | +4 | 48 | |
| Nov 12, 2026 | +4 | 52 | |
| Nov 25, 2026 | −16 | 36 | |
| Nov 26, 2026 | +4 | 40 | |
| Dec 10, 2026 | +4 | 44 | |
| Dec 21, 2026 | −40 | 4 | |
| Dec 24, 2026 | +4 | 8 | |
| Jan 7, 2027 | +4 | 12 |
Check the low point, not just the end
The final balance can look fine while the plan still fails partway. If the December break were 48 hours instead of 40, the balance would hit −4 hours on December 21, even though the next two accruals bring it back to 4 by January 7. Most employers look at the balance on the day you take the time, so that dip is what matters.
Things that change a projection
- An accrual rate that steps up on a work anniversary.
- A year-end carryover limit or use-it-or-lose-it reset.
- A balance cap that stops accrual while you are at it.
- Unpaid leave that pauses accrual.
- Paid holidays, which usually aren’t taken from PTO — don’t subtract them.
Projecting a PTO Balance FAQ
- How many PTO hours will I have by the end of the year?
- Add the accruals between now and December 31 to your current balance and subtract the time you will take before then.
- Does PTO added on the first day of my vacation count?
- It depends on when your system posts it — on the period’s last day, on payday, or a day or two later. If it posts after you leave, don’t count it.
- Why doesn’t my projection match my pay stub?
- Pay stubs often show the balance as of the end of the pay period, which can trail the payday by a week or more.
- How do I plan time off for next year?
- Project to the date of the trip, and include any year-end carryover limit that resets your balance in January.
- Should I keep a buffer in my PTO balance?
- Many people keep a day or two for sick days or emergencies, especially if sick time comes from the same PTO bank.
Related guides
- Hitting a PTO CapFind the date your PTO balance reaches its cap, how many hours staying there costs, and how a cap differs from carryover limits and use-it-or-lose-it.
- Negative PTO BalancesHow a PTO balance goes below zero, how long it takes to earn back, what advance policies allow, and what happens if you leave with a negative balance.
Open the tool
Jump into PTO Balance Projection Calculator when you are ready to process your files.
