Find length of service between two dates.
Please do not make financial decisions based on these results.
What is the Tenure Calculator?
Find length of service between two dates. To use the Tenure Calculator, enter start date, end date; it returns tenure (years), total days, total months, weeks, and shows them instantly as you type.
Where the Tenure Calculator fits
Find length of service between two dates. The main figure it returns is the Tenure (years), worked out from the values you enter.
It belongs with the other hr & workforce tools. If you are comparing options or checking a result from another angle, try the Absence Percentage Calculator, Attrition Rate Calculator or the Turnover Rate Calculator.
How to use the Tenure Calculator
- Enter your numbers. The inputs are Start date, End date. Use real figures from your own records where you can. Fields marked optional can stay at zero.
- Read the result. The highlighted box gives the Tenure (years), and the cards below show Total days, Total months, Weeks. Tables and charts break it down further.
- Test other scenarios. Results update as you type. Change one value at a time to see what drives the answer, and press Reset to go back to the defaults.
Formula and how it works
Example with real numbers
Here is the Tenure Calculator using the default values shown in the calculator above:
Inputs
| Start date | 2019-03-15 |
|---|---|
| End date | 2026-10-16 |
Results
| Tenure (years) | 7.59 years |
|---|---|
| Total days | 2,772 |
| Total months | 91.1 |
| Weeks | 396 |
With these inputs the calculator returns Tenure (years): 7.59 years. Change any value in the calculator to see how the result moves.
What the results tell you
The results panel of the Tenure Calculator reports Tenure (years), total days, total months and weeks. Compare these figures while changing one input at a time, and use the related calculators below to look at the same situation from another angle.
Method and limits. This calculator applies the formula in the section above to your inputs, in your browser; nothing you enter is stored on our servers. The result is only as accurate as the numbers you enter and the formula shown above. It is for information, not financial, tax or legal advice.
Frequently asked questions
How is tenure counted?
From the start date to the end date, usually in completed years and months.
Which period should I measure over?
Use the same period (month, quarter or year) for every input so the ratios stay comparable.
How do I calculate turnover rate?
Divide the number of leavers by the average headcount for the period and multiply by 100.
Are the results guaranteed?
No. Results depend entirely on the numbers you enter and the formulas shown on this page. Please do not make financial decisions based on them alone; confirm important figures with a licensed professional.
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