Free HR tool

Employee Turnover Calculator

Employee turnover rate is the number of people who left divided by your average headcount for the period, times 100. Enter your figures below to get the rate, the voluntary and involuntary split, an annualised number for a partial period, and what the replacement hiring is costing you.

Your headcount and leavers

Enter the numbers for the period you want to measure. Everything is calculated in your browser — nothing is sent anywhere.

$

Cost per hire defaults to $5,475, the average reported in the SHRM 2025 Benchmarking Report. It is a starting point, not your number — replace it if you track your own.

Your turnover

15.0%

Turnover for the period

15.0%

Annualised rate

85.0%

Retention for the period

Split

Voluntary 11.0% · Involuntary 3.9%

The split matters more than the headline. Voluntary turnover is the one that usually signals a problem you can fix.

Replacement cost

$104,025

19 leavers × your cost per hire. This is recruiting cost only — it excludes lost productivity and handover time, which are real but vary too much to estimate for you.

Method: average headcount = (start + end) ÷ 2 = 127.0. Turnover = 19 separations ÷ 127.0 × 100. Deliberately no "good/bad" verdict — healthy turnover varies enormously by industry, seniority and region, and any single benchmark would mislead more than it helps.

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How this turnover calculator works

The calculator uses the standard formula HR teams compute by hand, so your result will match a manual check. Average headcount is your starting headcount plus your ending headcount divided by two, which smooths out a period where the team grew or shrank. Turnover is then separations divided by that average, expressed as a percentage. Voluntary and involuntary leavers are divided by the same average headcount so the two rates add up to the headline figure.

  • Average headcount = (starting headcount + ending headcount) ÷ 2.
  • Turnover rate = separations ÷ average headcount × 100.
  • Annualised rate = period rate × (12 ÷ months measured).
  • Replacement cost = separations × your cost per hire (recruiting cost only).

Why we do not tell you if your rate is "good"

Most turnover calculators grade your result against a single benchmark. We deliberately do not, because a rate that would alarm a software company is unremarkable in hospitality, retail or seasonal logistics, and a figure that looks healthy in aggregate can hide the fact that everyone leaving is in one team. Two numbers tell you far more than a grade: the trend across several periods, and the voluntary share. Voluntary turnover reflects decisions people made about whether to stay, which is the part you can actually influence. If you want to dig further, the attrition rate definition and first-year attrition explain what each cut of the number is telling you.

FAQ

Employee turnover calculator — FAQs

How do you calculate employee turnover rate? +
Divide the number of employees who left during a period by the average headcount for that period, then multiply by 100. Average headcount is normally the starting headcount plus the ending headcount divided by two. So 19 leavers against an average headcount of 127 gives a turnover rate of roughly 15%.
What is the formula for attrition rate? +
Attrition rate uses the same arithmetic as turnover rate: separations divided by average headcount, times 100. In everyday use the two words are interchangeable. Some organisations reserve attrition for roles they choose not to backfill and turnover for all departures, so agree which definition you mean before comparing numbers with anyone.
What is the difference between turnover and attrition? +
There is no universal distinction and both are calculated identically. Where companies do separate them, attrition usually means a departure that is not replaced, so headcount shrinks by design, while turnover means a departure that triggers a backfill. The distinction only matters if everyone reading the number uses it consistently.
How do you calculate voluntary versus involuntary turnover? +
Split your leavers into those who chose to go, such as resignations and retirements, and those who did not, such as dismissals, redundancies and contract endings. Divide each group by the same average headcount. The voluntary rate is the one worth watching closely, because it reflects decisions people made about staying.
What is a good employee turnover rate? +
There is no single good number, which is why this calculator deliberately does not grade your result. Healthy turnover varies enormously by industry, seniority, contract type and region. A hospitality operation and a software company with identical rates are in completely different situations. Track your own trend and your voluntary and involuntary split instead.
How do you annualise turnover for a partial period? +
Calculate the rate for the period you measured, then multiply by twelve divided by the number of months covered. A 4% rate over three months annualises to roughly 16%. Treat annualised figures from short periods with care, because seasonal hiring and a single restructuring can distort them badly.
How much does employee turnover cost? +
This calculator multiplies your leavers by your cost per hire, defaulting to the $5,475 average reported in the SHRM 2025 Benchmarking Report. That covers recruiting cost only. Lost productivity, handover time and the ramp period of a replacement are real costs too, but they vary so much by role that any generic multiplier would be guesswork.
Is this turnover calculator free? +
Yes. It is free, needs no signup, and runs entirely in your browser, so none of your headcount figures are sent anywhere. If replacement hiring is eating your capacity, you can request a walkthrough of Pitch N Hire, but that is entirely optional.
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