How PTO accrual is calculated
Put the policy in hours, then divide by how often you are paid. A grant of 15 days at 8 hours is 120 hours a year, so on a fortnightly cycle you bank 4.62 hours every payday and 10 hours a month. Employers who accrue per hour worked instead reach the same annual figure on a full-time schedule, but the balance grows slower in a light week and faster in a heavy one.
The number nobody puts on a payslip is the exchange rate. On that same policy you bank 1 hour of PTO for roughly every 17.3 hours on the clock, so a full day off costs about 139 hours of work. That is the figure worth carrying into a conversation about whether the package is competitive.
Two ways to earn it
A fixed annual grant split across paydays, or a rate per hour worked. Both reach the same total on a full-time schedule; only one moves when your hours do.
A cap quietly stops accrual
Hit the ceiling and you stop banking until you take time off. Hours you would have earned are never granted, which is different from losing a balance you already have.
The balance is money
Unused time has a cash value at your hourly rate. Whether it gets paid out when you leave depends on your state and your handbook, so it is worth knowing the number early.
What you bank each payday
Find your policy in the first column and read across to your pay cycle. The annual total never changes; the pay cycle only decides how it arrives, which is why a monthly payroll makes a balance look like it is filling faster when it is not.
| PTO policy | Hours a year | Weekly | Every 2 weeks | Twice a month | Monthly |
|---|---|---|---|---|---|
| 10 days | 80 hrs | 1.54 hrs | 3.08 hrs | 3.33 hrs | 6.67 hrs |
| 12 days | 96 hrs | 1.85 hrs | 3.69 hrs | 4.00 hrs | 8.00 hrs |
| 15 days | 120 hrs | 2.31 hrs | 4.62 hrs | 5.00 hrs | 10.00 hrs |
| 18 days | 144 hrs | 2.77 hrs | 5.54 hrs | 6.00 hrs | 12.00 hrs |
| 20 days | 160 hrs | 3.08 hrs | 6.15 hrs | 6.67 hrs | 13.33 hrs |
| 25 days | 200 hrs | 3.85 hrs | 7.69 hrs | 8.33 hrs | 16.67 hrs |
| 30 days | 240 hrs | 4.62 hrs | 9.23 hrs | 10.00 hrs | 20.00 hrs |
PTO accrual based on hours worked
Hourly and part-time staff are usually given an accrual rate per hour instead of a flat annual grant. The middle column is that rate; the last two are the version that actually tells you something, which is how long you work to earn an hour and a day off. Figures assume a 40-hour week.
| PTO policy | PTO earned per hour worked | Hours worked per 1 PTO hour | Hours worked per full PTO day |
|---|---|---|---|
| 10 days | 0.0385 hrs | 26.0 hrs | 208 hrs |
| 12 days | 0.0462 hrs | 21.7 hrs | 173 hrs |
| 15 days | 0.0577 hrs | 17.3 hrs | 139 hrs |
| 18 days | 0.0692 hrs | 14.4 hrs | 116 hrs |
| 20 days | 0.0769 hrs | 13.0 hrs | 104 hrs |
| 25 days | 0.0962 hrs | 10.4 hrs | 83 hrs |
| 30 days | 0.1154 hrs | 8.7 hrs | 69 hrs |
What unused PTO is worth
A banked balance is deferred pay, and seeing it as a number changes how people treat it. Forty hours at $30 is $1,200 sitting on the books.
Whether you are paid that when you leave is decided by your state and your employer's written policy, not by federal law. Some states treat accrued vacation as earned wages that must be paid out; others let a written forfeit-on-exit policy stand. Check your state labor department before you count on it, and check it before you hand in notice rather than after.
| Balance | $18.00/hr | $22.00/hr | $25.00/hr | $30.00/hr | $40.00/hr | $55.00/hr |
|---|---|---|---|---|---|---|
| 8 hrs (1.0 days) | $144 | $176 | $200 | $240 | $320 | $440 |
| 16 hrs (2.0 days) | $288 | $352 | $400 | $480 | $640 | $880 |
| 24 hrs (3.0 days) | $432 | $528 | $600 | $720 | $960 | $1,320 |
| 40 hrs (5.0 days) | $720 | $880 | $1,000 | $1,200 | $1,600 | $2,200 |
| 80 hrs (10.0 days) | $1,440 | $1,760 | $2,000 | $2,400 | $3,200 | $4,400 |
| 120 hrs (15.0 days) | $2,160 | $2,640 | $3,000 | $3,600 | $4,800 | $6,600 |
Is paid time off required by law?
Not federally. The Department of Labor puts it plainly: the Fair Labor Standards Act does not require payment for time not worked, including vacations, sick leave and holidays, and describes these as matters of agreement between an employer and an employee. A number of states and cities do mandate paid sick leave, which is a separate question from vacation.
That is why the handbook is the document that matters here, and why two people doing identical work at different employers can bank time at completely different rates. If the policy looks thin next to what your role commands elsewhere, the benefit is part of the package: our free salary benchmark puts the cash half against government wage data for your state.
When the time off is the only part you want
There is a version of this where the balance is the only thing keeping the job tolerable, and the arithmetic quietly says so: counting paydays until you can be somewhere else is a signal worth reading. If the hours are the problem rather than the days off, the overtime pay calculator checks whether the long weeks are at least being paid correctly, the commute cost calculator adds the hours the journey takes on top, and beating burnout without quitting covers what changes before an exit does.
Frequently asked questions
What people ask once they have the number.
Sources
- U.S. Department of Labor, Vacation Leave on the FLSA and payment for time not worked, read 4 September 2026.
Twenty days a year is five percent of your life spent recovering from the other ninety-five.
Take the free career quiz nowFor information and inspiration only. This tool is not financial, tax, legal, or career advice, and MyPassion.AI accepts no liability for decisions made using it. Every figure and template is an estimate that can differ from your circumstances, so confirm anything important with an employment lawyer or your state labor department before you act. Use of this tool and its content is subject to our Terms of Service.