How to use this calculator
- Choose one consistent reporting period.
- Enter annual hires and retained hires.
- Select Calculate and review the supporting measures.
- Change one assumption at a time to compare scenarios.
#2512 · Salary & HR Tool
Cost per Hire Retention Impact Calculator
Use this calculator to estimate retention rate with inputs you can take from recruiting or workforce records. It keeps the assumptions visible, shows two supporting measures, and helps you compare plans consistently. The result is a planning estimate rather than an accounting, legal, or performance guarantee.
Calculator
Workforce assumptionsFormula
Retention rate = (employees retained ÷ hired employees) × 100
All counts and costs should refer to the same population and period.
What the result means
The main result summarizes retention rate under the assumptions entered. Supporting values expose the scale and balance behind the total.
Document your counting rules before comparing teams or periods. Differences in definitions can outweigh real operating changes.
Example calculation
Using annual hires of 40 and retained hires of 31, the calculator applies the formula above. Entering these defaults reproduces the live result shown at the top of the page.
Tips for better results
- Use source-system counts rather than rounded estimates.
- Keep the observation period consistent.
- Separate recurring and one-time costs where relevant.
- Run a conservative and an optimistic scenario.
- Record exclusions so later comparisons remain fair.
Frequently asked questions
Which inputs should I use for this retention rate estimate?
Use figures from the same reporting period and apply the same population definition to every input.
Should contractors be included?
Include contractors only when both the numerator and denominator cover them; otherwise keep the analysis employee-only.
Can I compare results across departments?
Yes, provided each department uses the same time window, cost definitions, and counting rules.
How should partial-year data be handled?
Label it as year-to-date or annualize it only when hiring and staffing patterns are reasonably stable.
Does this result predict future performance?
No. It is a planning estimate based on the entered assumptions, not a guarantee of future outcomes.
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Input and output guide
| Measure | Meaning |
|---|---|
| Annual hires | First planning input |
| Retained hires | Second planning input |
| Retention rate | Calculated main result |