📋 Years of Service Calculator
Calculate exact tenure between a hire date and today (or any end date) — years, months, and days, plus the total day count. Useful for pension eligibility, benefits vesting, or HR recordkeeping.
Exact tenure between a hire date and today (or an end date).
How the Years of Service Calculator works
The calculator computes the calendar-accurate difference between the hire date and end date, the same precise year/month/day method used throughout this site's date calculators.
Step-by-step calculation
- 1Enter the hire date.
- 2Enter the end date (or today).
- 3The calendar difference is counted in years, months and days.
Worked example
Hired April 1, 2010: on November 14, 2026 that is 16 years, 7 months and 13 days of service.
Years of Service Calculator examples
| Hire date | Length of service |
|---|---|
| Jun 1, 2025 | 0 years, 7 months, 0 days |
| Mar 15, 2021 | 4 years, 9 months, 17 days |
| Jan 1, 2016 | 10 years, 0 months, 0 days |
| Sep 1, 2006 | 19 years, 4 months, 0 days |
| Jan 1, 1996 | 30 years, 0 months, 0 days |
End date: January 1, 2026. Other inputs kept at the calculator's default values. Results calculated by this calculator.
Why use a Years of Service Calculator?
Check tenure for anniversaries, benefits, pensions or resumes.
Important factors that can affect your results
- Breaks in service your employer may exclude.
- Whether the end date is counted.
- Company rules that round partial years.
Frequently asked questions
Can I calculate service up to a past end date, not just today?
Yes — leave the end date blank for "as of today," or set any specific end date.
Is this used for official pension calculations?
This gives you the exact tenure figure — how it's applied to pension or benefits formulas depends on your specific plan rules.
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Last reviewed November 2026 · How we build and check our tools · Report a problem