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PTO Accrual Calculator

Calculate how much Paid Time Off you earn per pay period and see a month-by-month accrual balance for the entire year.

Total PTO days granted per year

How often PTO is added to your balance

How often you receive a paycheck

hrs

Standard workday length (usually 8 hours)

Enter your PTO details, then click Calculate to see your accrual schedule.

How PTO Accrual Works

How PTO Accrual Works

Paid Time Off (PTO) accrual is how employers distribute time-off allowances throughout the year. Instead of granting all PTO on January 1st, most companies let employees earn time off gradually with each pay period.

Common Accrual Methods

  • Per Pay Period: PTO is earned each paycheck. With bi-weekly pay (26 periods/year), 15 annual PTO days means earning about 0.58 days or 4.6 hours per pay period.
  • Monthly: PTO accrues once per month. 15 annual days equals 1.25 days or 10 hours per month.
  • Quarterly: PTO accrues every three months. 15 annual days equals 3.75 days per quarter.
  • Annually: The full PTO balance is granted at the start of the year or on your work anniversary.

What a Typical PTO Policy Looks Like

Most US companies offer PTO on a tiered system based on tenure:

  • 0–2 years: 10–15 days per year
  • 3–5 years: 15–20 days per year
  • 5–10 years: 20–25 days per year
  • 10+ years: 25–30 days per year

PTO policies often include vacation days, personal days, and sometimes sick days combined into one bucket. Some companies also set a maximum accrual cap — once you reach it, you stop accruing until you use some PTO. Understanding your accrual rate helps you plan vacations and ensure you’re using your benefits fully.

Frequently asked questions

PTO accrual is calculated by dividing your total annual PTO days by the number of accrual periods per year. For example, if you receive 15 PTO days per year and are paid bi-weekly (26 pay periods), you accrue 15 ÷ 26 = 0.577 days (about 4.62 hours) per pay period. The accrual accumulates each period until you use it.

In the US, the average PTO for new employees is 10–15 days per year. After 5 years, this typically increases to 15–20 days. Senior employees with 10+ years may receive 20–25 days. Some companies offer unlimited PTO policies, though employees at these companies typically take 10–15 days per year on average.

This depends on your employer’s policy and the type of leave. In many companies, you continue to accrue PTO during paid leave (including PTO usage itself). During unpaid leave such as FMLA, PTO accrual often pauses. Check your employee handbook or ask your HR department for your specific policy.

Policies vary by employer and state. Common approaches include: "use it or lose it" (unused PTO expires at year-end), rollover (some or all unused PTO carries into the next year), and payout (unused PTO is paid out at termination or year-end). Some states like California, Montana, and Nebraska prohibit use-it-or-lose-it policies.

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