Absence Rates Recruitment Cost Formula
Learn how annual absence pay, replacement cover and direct recruitment costs are estimated.
This calculation estimates the direct annual staffing cost linked to employee absence. It combines paid absence time, the cost of replacement cover and direct recruitment spending, helping organisations create a consistent planning estimate.
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Total Estimated Annual Cost
Where:
First estimate absence days and their employment cost. Then add the cost of paid cover and the direct cost of replacement hires.
Variables Explained
| Variable | What It Means | Unit |
|---|---|---|
| E - Number of employees | Average number of employees in the workforce during the year. | number |
| A - Annual absence rate | Absence days as a percentage of all available working days. | percent |
| W - Working days per employee | Annual working days used as the basis for the absence calculation. | days |
| P - Average daily pay | Average gross daily pay for affected employees. | currency |
| O - Employer on-cost rate | Additional employer cost percentage applied to daily pay. | percent |
| C - Replacement cover rate | Replacement staffing cost as a percentage of absence pay cost. | percent |
| H - Replacement hires | Number of replacement or backfill hires included in the estimate. | number |
| R - Recruitment cost per hire | Direct recruitment spending per replacement hire. | currency |
Step-by-Step Calculation
Estimate annual absence days
Multiply employees by annual working days, then apply the annual absence rate.
absenceDays = E * W * (A / 100)
Calculate daily employment cost
Add employer on-costs to average daily pay.
dailyEmploymentCost = P * (1 + O / 100)
Calculate absence pay cost
Apply the daily employment cost to estimated absence days.
absencePayCost = absenceDays * dailyEmploymentCost
Calculate replacement cover cost
Estimate temporary staff, overtime or other paid cover as a proportion of absence pay cost.
replacementCoverCost = absencePayCost * (C / 100)
Calculate recruitment cost
Multiply replacement hires by direct recruitment cost per hire.
recruitmentCost = H * R
Add the cost components
The total is the combined estimated annual direct cost.
totalEstimatedCost = absencePayCost + replacementCoverCost + recruitmentCost
Calculate cost per employee
Divide the annual total by the average workforce size.
costPerEmployee = totalEstimatedCost / E
Worked example for a 50-person workforce
Estimated absence days
50 * 260 * (4 / 100)
520 days
Daily employment cost
150 * (1 + 20 / 100)
$180
Absence pay cost
520 * 180
$93,600
Replacement cover cost
93600 * (80 / 100)
$74,880
Recruitment cost
2 * 3000
$6,000
Total estimated cost
93600 + 74880 + 6000
$174,480
Cost per employee
174480 / 50
$3,489.60
Final Result
Estimated annual direct absence and recruitment cost: $174,480, or $3,489.60 per employee.
Assumptions
- ✓The annual absence rate applies evenly across the average workforce and working-day total.
- ✓Average daily pay and employer on-costs reasonably represent affected employees.
- ✓Replacement cover is an additional cost calculated from the percentage entered.
- ✓Recruitment cost includes only the direct per-hire costs entered.
- ✓The output is an annual planning estimate, not a payroll or employment-policy calculation.
Limitations
- !The calculation does not separately estimate lost output, customer impact or reduced service levels.
- !Individual sick-pay arrangements and employment contracts may produce different costs.
- !Absence patterns may be concentrated in particular teams or pay groups rather than evenly spread.
- !Management time, training time and insurance effects are excluded unless included in the cost inputs.
Common Mistakes to Avoid
Entering an absence rate as a decimal, such as 0.04, instead of 4%.
Using calendar days rather than the working days used in the organisation's absence reporting.
Leaving employer on-costs out when daily pay does not already include them.
Treating replacement cover as a share of pay only when agency or overtime costs are materially higher.
Counting indirect productivity losses in recruitment cost per hire and then interpreting the result as direct cost only.
Related Formulas
Frequently Asked Questions
How are absence days calculated?
Estimated absence days equal employees multiplied by working days per employee multiplied by the absence rate divided by 100.
How is replacement cover cost calculated?
Replacement cover cost equals absence pay cost multiplied by the replacement cover percentage divided by 100.
Does the formula include employer on-costs?
Yes. The daily employment cost is average daily pay increased by the employer on-cost rate entered.
What happens if no paid cover is used?
Enter 0% for replacement cover cost. The calculation will still include absence pay and any recruitment cost.
How is cost per employee calculated?
The total estimated annual cost is divided by the average number of employees entered.
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