People & employment · Calculator companion · By K Imports
Staff turnover and replacement cost: practical guide
This guide explains how to use the Count.ie staff turnover and replacement cost. Measure workforce turnover and the estimated hiring and vacancy burden. Follow the inputs, method and worked example below, then compare your own scenario.
Guide written .
Open the Staff turnover and replacement cost calculatorWhat to prepare
- Use the contract, pay records, service dates and applicable working pattern.
- Identify the relevant jurisdiction, rule date and employee category.
- Separate contractual arrangements from statutory minima and employer-cost estimates.
Understand the inputs
The calculation method
Turnover = leavers ÷ average opening/closing headcount. Cost adds replacement and vacancy estimates.
Worked example
Illustrative inputs and their result.
Example inputs
- Opening headcount
- 40
- Closing headcount
- 44
- Employees leaving during period
- 8
- Replacement cost per leaver (€)
- 5000
- Average vacancy days
- 25
- Daily vacancy cost (€)
- 120
Calculated example result
- Turnover Percent
- 19.05%
- Estimated Turnover Cost
- €64,000.00
- Average Headcount
- 42
How to interpret the result
A payroll or employment estimate does not determine a legal entitlement by itself. Contract terms, eligibility, service history and specific statutory exceptions can matter.
Compare the same role and working pattern when changing a pay or staffing assumption. Confirm statutory questions with the cited guidance or a qualified adviser.
Common mistakes to avoid
- Do not mix weekly, monthly and annual pay without converting consistently.
- Check whether service dates and working days are included as the method requires.
- Do not assume all employees share the same eligibility or contribution treatment.
Assumptions and sources
Use a monthly average for volatile workforces. Turnover can exceed 100% when roles turn over repeatedly.
If your case falls outside this scope, use a more suitable calculator or contact us about an unclear method.