A single departure typically costs somewhere between half and twice the person’s annual salary once you count everything — replacement, lost productivity, lost knowledge, and the drag on the team that covers. The salary you stop paying is not a saving. The work still has to get done, and the cheapest lever is keeping the people you would regret losing.
Recruiting, interviewing, onboarding, and ramp time — you pay to fill the seat, then pay again while the new hire gets up to speed.
The work still has to get done while the seat sits empty or half-filled. Output drops long before it recovers.
Context, judgment, and customer relationships walk out the door. Some of it was never written down anywhere.
The teammates covering the gap carry more, move slower on their own work, and start eyeing the exit themselves.
Employee turnover cost is the total price a business pays when a person leaves and has to be replaced. It is not one line item. It is the sum of the money you spend finding and onboarding a replacement, the output you lose while the role is empty or half-filled, the knowledge and relationships that leave with the person, and the drag on everyone who picks up the slack. Most of that never shows up on a recruiter’s invoice, which is exactly why leaders under-count it.
A widely-cited estimate puts the cost of replacing an employee at roughly one-half to two times their annual salary, depending on the role — higher for senior, specialized, or hard-to-fill jobs (the research behind that range puts it at ~20% of salary for most roles, up to 213% for senior ones). Take it as a range for sizing the problem, not a precise fact. The instinct that a departure “saves” a salary is the expensive mistake. You stop paying one person, but the work they did does not disappear. It gets deferred, dropped, or dumped on teammates who were already full — and every one of those outcomes has a price. Add the weeks a new hire needs to reach full output, and you are paying for that seat twice: once to hire, once to wait.
For a small or mid-sized company, each departure is proportionally more painful than at a large firm. One person is a bigger share of the total, often owns context that lives nowhere else, and is harder to cover because there is no bench waiting. That is why turnover deserves the same scrutiny as any large expense — and why regretted attrition (losing someone you wanted to keep) is the version that actually hurts. Some turnover is healthy. The cost that bleeds you is the good person walking out the door. You can put real numbers on it with the cost-of-a-bad-bet calculator, and the same logic drives the cost of a bad hire — a departure and a mis-hire are two sides of the same expensive coin.
You do not need a perfect figure. You need an honest one — big enough to change how you act. Work through it in order:
Once the number is in front of you, the priority shifts from filling seats to keeping the people you would regret losing. If you run a smaller team, the practical playbook is in how to reduce turnover in a small business.
A widely-cited estimate puts the cost of replacing an employee at roughly one-half to two times their annual salary, depending on the role — higher for specialized, senior, or hard-to-fill positions. Treat it as a range for sizing the problem, not a precise figure. The full cost includes recruiting and onboarding, lost productivity while the seat is empty or ramping, lost knowledge and relationships, and the drag on the teammates who cover.
More than the recruiter fee. Employee turnover cost includes replacement cost (recruiting, interviewing, onboarding, and ramp time), the productivity gap while the role is unfilled or half-filled, lost knowledge and customer relationships, the morale and workload drag on the people covering, and continuity risk with customers. The salary you stop paying is not a saving — the work still has to get done.
Proportionally, each departure hits a small or mid-sized company harder than a large one. One person is a bigger share of the team's total output, often owns knowledge that lives nowhere else, and is harder to cover because there is less bench. A single regretted loss can stall a project or put a key customer relationship at risk in a way a large firm can absorb.
Add the hard replacement spend (ads, recruiter fees, interview hours), the value of the ramp gap until a replacement reaches full output, the cost of the seat sitting empty, and the hours teammates lose covering. Then weight it for the role's seniority and for your company's size. The point is not a perfect number — it is realizing the total is far bigger than the invoice from a recruiter.
Keep the people you would regret losing. Retention is almost always cheaper than replacement, and the highest-leverage move is knowing early who is worth keeping and acting before they leave. That means hiring for behavioral proof of who will actually deliver, and paying attention to your best people rather than reacting once notice is already in.
Book a call to see how behavioral proof helps you hire people who stay and keep the ones you’d regret losing.