Delivery Leak · Free Tool
The Turnover Cost Calculator: What Losing One Employee Really Costs You
In This Article
Someone good just quit. You already posted the job, sat through the interviews, and hired someone new. Most owners call that the end of the story — it's actually the point where the real bill starts running.
Here's the part nobody tells you at the "welcome aboard" handshake: the real bill hasn't even started yet. The want ad and the interviews were the cheapest part of this. What's coming next is weeks of the role sitting half-covered, then weeks of paying full wage for a fraction of full output — and none of it will show up as a single line item anywhere. Let's put a real number on it, with four things you already know.
Assumes the open seat costs roughly half its normal weekly pay in overtime and coverage strain, and a new hire runs at about half speed during the ramp period — both conservative, adjustable assumptions. Set the sliders to match your reality; the shape of the number holds either way.
Sit with that number for a second. It isn't a rounding error, and it isn't the want-ad fee you already budgeted for. For a lot of owners it's closer to a part-time hire's entire year of pay — leaking out through a seat that never really got covered and a new hire nobody had time to properly train.
Why owners undercount this leak
Ask most owners what it costs to lose an employee and you'll get one number: whatever they spent on the job posting, plus maybe a background check. That's the only part of this leak that ever generates a bill — so it's the only part that ever gets counted.
Everything else is invisible by design. Nobody sends you an invoice for the weeks your remaining team quietly absorbed extra shifts — however many that was for you. Nobody sends you an invoice for the stretch where the new hire was drawing full pay and still asking where the supply closet is. Run those two stretches through the calculator above and you'll see exactly what those invoices would have said. It doesn't feel like a cost — it feels like "getting through a rough patch." But a rough patch you pay full wages through, every single time someone leaves, is a cost. It's just one that never shows up on a report.
The real math: what's actually stacked on top
Three things stack on top of each other every time someone leaves, and only the first one is easy to see:
- The coverage gap. While the seat is open, the work doesn't pause — it gets pushed onto whoever's left. That means overtime, a temp, or your best people quietly stretched thinner than they should be.
- The ramp-up tax. A new hire starts at full pay and partial output. For the first several weeks you're funding their learning curve, not their production — and that gap is usually the single biggest piece of what a departure actually costs.
- The second-order risk. The people covering the gap are the ones most likely to burn out and leave next, which restarts the whole cycle. This is a different leak than simply being stretched thin as the owner — it's your team absorbing someone else's empty chair, quarter after quarter, until one of them decides they're done absorbing it.
None of these three show up as a line item. All three show up in your bank account by the end of the year.
How to plug the leak (cheap or free)
Shrink the ramp with a real onboarding checklist
Most local businesses train new hires the same way: someone shows them around for a day and hopes it sticks. Write down the actual steps — the systems, the customers, the "how we do it here" — once, and every future hire ramps faster off the same document. This is the single biggest lever on the number above, because the ramp-up tax is usually the biggest piece of the cost.
Build a bench before you need one
Cross-train at least one other person on every critical task before someone quits, not after. A business with a bench closes its coverage gap in days. A business without one closes it in weeks — and pays the overtime the whole time.
Fix why people leave, not just how you replace them
Retention is almost always cheaper than replacement. A real conversation about schedule, pay, or what's frustrating them costs you an hour. A departure costs you the number above. Before you optimize your hiring process, spend five minutes asking your best people what would make them stay.
Think of the last person who left. How many weeks was the seat genuinely covered? How many weeks did the replacement take to really hit their stride? Run those numbers through the calculator above — most owners are surprised by how close it lands to a real hire's annual pay.
Imagine a team that doesn't bleed a hire every few months — where the person covering a gap knows it'll close in days, not weeks, and a new hire is pulling their weight by week two instead of week eight. That's not a fantasy; it's what the fixes above actually buy you. Right now, the number in that calculator is quietly funding your competitor's payroll instead of your own growth. What else is leaking out of your business without ever hitting a report? That's exactly what we go looking for.
Turnover is a Delivery-side leak — the gap between having the right people and actually keeping the promise you made a customer. If this hit home, The Delivery Leak covers the sibling problem: what happens after the "yes," even with a full team. It's also one of a handful of leaks with a free calculator built for it — see the missed-call revenue calculator for the Follow-Up-side sibling. And if you haven't put a number on your other blind spots yet, start with The Numbers Question.
Frequently Asked Questions
It stacks up faster than most owners expect — usually well past just the job-ad and interview cost. The real total is the pay for the role while the seat sits open, plus the weeks a new hire is being paid full wage while producing a fraction of the output, times however many people you expect to lose. Use the calculator on this page with your own numbers to see your figure.
The true cost is bigger than the visible bill because most of it never shows up on an invoice. It's made of two stacked pieces: the coverage gap (what it costs in overtime or strain while the role sits open) and the ramp-up tax (paying a new hire full wage while they're still learning the job). Neither one sends you a receipt, so most owners only ever count the smallest part — the hiring cost itself.
It varies by role and how structured your onboarding is, but for most local-business positions it's measured in weeks, not days. During that ramp period a new hire is typically paid their full wage while producing well under full output — that gap is the ramp-up tax, and it's usually the single biggest hidden piece of what a departure costs you.
Shrink the ramp with real onboarding (a written checklist beats tribal knowledge every time), build a bench before you need one so a departure isn't a five-alarm fire, and put real attention into why people are leaving in the first place — retaining someone is almost always cheaper than replacing them.
For almost every local business, yes. Replacing someone means paying for the open role, then paying full wage for a ramp period of reduced output, and doing it all again the next time someone leaves. A raise, a schedule fix, or a real conversation about what's wrong is usually far cheaper than another full cycle of hiring and training.
