PTO Accrual Calculator
Calculate paid time off (PTO) accrued from hours worked and the per-hour accrual rate. Use it for payroll administration, verifying pay-stub PTO balances, or projecting how much vacation you will have by a target date.
Last updated: May 2026
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About this calculator
The calculator returns accrued PTO hours from a simple multiplication. The formula is: PTO Accrued = Hours Worked × Accrual Rate. Variables: Hours Worked is total hours in the accrual period (e.g., 80 hours in a typical bi-weekly period); Accrual Rate is the fraction of an hour of PTO earned per hour worked (typical US rates: 0.0192 = 5 days/year, 0.0385 = 10 days/year, 0.0577 = 15 days/year, 0.0770 = 20 days/year for full-time employees). The conversion: annual PTO days × 8 hours / 2,080 annual work hours = accrual rate. Edge cases: PTO accrual policies vary widely — accrual every pay period (most common), monthly accrual, lump-sum grants at year start, or unlimited PTO (no formal accrual but typically lower actual usage). Many policies cap accrual (you stop earning above a maximum balance, typically 1.5–2× the annual entitlement) or have use-it-or-lose-it rules with year-end forfeit. Tenure usually increases accrual rate: 0–3 years often 10 days/year, 3–10 years 15 days, 10+ years 20 days, executives 25+ days. Note the US has no federal mandate for paid vacation — only employer-provided. Compare to EU norms (5–6 weeks legally guaranteed) or UK (28 days minimum). Some US states (CA, CO, IL, NV, MD, MA, NJ, NY, RI) mandate paid sick leave separately from vacation; understand whether your state requires separate sick-time accrual or combines it with PTO.
How to use
Example 1 — Bi-weekly accrual at 15 days/year. Hours worked in period 80 (standard bi-weekly), accrual rate 0.0577 (= 15 days × 8 hours / 2,080 annual hours). Step 1: PTO accrued = 80 × 0.0577 = 4.616 hours. Verify ✓. Annualized: 4.616 × 26 pay periods = 120 hours = 15 days — matches the stated policy. After 6 months (13 pay periods) you'd have accrued 60 hours = 7.5 days, half the annual entitlement. Example 2 — Tenured employee, 25 days/year. Hours 160 (month of full-time work), accrual rate 0.0962 (= 25 × 8 / 2,080). Step 1: monthly accrual = 160 × 0.0962 = 15.4 hours = ~1.9 days. Verify ✓. Annual accrual = 15.4 × 12 = 184.8 ≈ 200 hours = 25 days, matching policy (small rounding difference). For an executive with 30 days entitlement, rate ≈ 0.1154 — every 80-hour period earns about 9.2 hours of PTO.
Frequently asked questions
What's a typical PTO accrual rate in the US?
Bureau of Labor Statistics data on paid vacation by tenure (2023): 1 year of service averages 11 paid vacation days; 5 years averages 15 days; 10 years averages 18 days; 20+ years averages 22 days. Translated to per-hour accrual: 11 days = 0.0423; 15 days = 0.0577; 18 days = 0.0692; 22 days = 0.0846. Industries vary substantially: tech and professional services often start at 15+ days; manufacturing and retail typically start at 5–10; government and education often have generous 20–30 day policies. The US is unique among developed countries — no federal paid leave mandate. Most other developed countries guarantee 20–30 days legally: UK 28 days, France 30 days (plus 11 public holidays), Germany 24 days, Japan 10 days (legal minimum, rarely fully taken culturally). The 'unlimited PTO' trend (Netflix, GitLab, many tech startups) abolishes formal accrual; studies consistently show employees on unlimited policies take fewer days off than under formal accrual systems because of social pressure and lack of accumulation forcing function.
How do accrual caps and use-it-or-lose-it policies work?
Many employers cap PTO accrual at a maximum balance, typically 1.5–2× annual entitlement: an employee with 20 days/year might be capped at 30–40 days. Once at cap, accrual stops until balance drops; this prevents long-tenured employees from building 100+ day balances that become huge liabilities for employers. Caps are legal in most US jurisdictions but California prohibits use-it-or-lose-it policies — accrued PTO is considered earned wages that must be paid out at separation. Other states are more permissive. Use-it-or-lose-it policies forfeit unused PTO at year end (often December 31 or fiscal year end); this is legal in most states but creates rush-of-use in December and is increasingly unpopular. Many policies have grace periods (use by March 31 of following year) or allow carrying over a limited amount (up to 5 days, etc.). Always check your state's wage-and-hour rules and your employee handbook for specific PTO policy details; misunderstanding can cost thousands in lost vacation value.
What are the most common mistakes when interpreting PTO accrual?
The biggest is confusing the accrual rate (hours of PTO per hour worked) with annualized PTO (days/year). A 0.0577 rate sounds tiny but equates to 15 days/year — always convert to days for intuitive understanding. The second is forgetting that accrual typically pauses during unpaid leave (FMLA, sabbaticals, leave without pay); you don't accrue PTO while not working. The third is mistaking PTO for paid sick leave; many companies (and some states) separate these into different balances with different rules. The fourth is overlooking carry-over and cap rules; you may have 'earned' more PTO than you can actually take in any given year due to policy constraints. The fifth is treating accrued PTO as if it's already in the bank — it's a liability the employer carries on its balance sheet, and in bankruptcy or job loss it may not be paid out depending on state law. California requires payout at separation; many states do not. Always verify your specific policy and state rules.
When should I NOT rely on this simple calculator?
Skip it for unlimited PTO policies where there's no formal accrual — track actual usage instead. Avoid it for complex tiered accrual (some companies accrue at different rates after years 1, 3, 5, 10 of tenure); for those, model each tenure period separately. Do not use it for monthly or lump-sum-at-anniversary accrual schemes; these don't accrue per hour worked but per period. Skip it for sabbatical or extended-leave benefits that follow non-accrual rules. Do not use it for vacation accrued under union or collective bargaining agreements without verifying the specific contract language — union PTO rules often differ from generic company policies. And do not use this calculator for PTO payout valuation at separation; many states have specific rules about which accrued balance must be cashed out, and the gross-vs-net dollar value depends on tax withholding rules.
How does PTO accrual compare across countries and industries?
The US is an outlier — no federal paid leave mandate, average 11–22 paid days depending on tenure, often combined with sick leave into single 'PTO' balance. Europe is dramatically different: France mandates 30 days paid vacation + 11 holidays = 41 days; Germany 24 days + 9–13 holidays = 33–37 days; UK 28 days inclusive of holidays; Netherlands 20+ days plus holidays; Nordic countries 25–30 days. Most European countries also have separate paid sick leave at full salary for weeks. Asia varies widely: Japan legally requires 10 days but cultural pressure means workers take only 5–7; South Korea 15 days; Singapore 7–14 by tenure. Industries within the US vary substantially: tech and professional services typically generous (15+ days from start); manufacturing, retail, hospitality often minimal (5–10 days); government and education often very generous (20–30+ days). When comparing job offers across countries or industries, total compensation must include PTO value — 20 extra days/year at $50/hour is $8,000 of compensation that nominal salary doesn't capture.