Employee Turnover: What It Costs, Why It Happens, and How to Fix It

What Is Employee Turnover?

A warehouse manager opens Monday’s schedule and counts three empty slots. Two people quit last week. One ghosted. By lunchtime, the remaining crew is stretched thin, overtime kicks in, and morale drops another notch.

Employee turnover – sometimes called staff turnover or staff churn – is the rate at which people leave your organization and need to be replaced. It includes voluntary exits (resignations, retirements) and involuntary ones (terminations, layoffs). The number itself is simple math – departures divided by average headcount over a period, multiplied by 100. What the number reveals about your operation is the part that actually matters.

Some turnover is healthy. You want underperformers to cycle out. You want people who land their dream job somewhere else to leave on good terms. The problem starts when departures become a pattern – when you’re refilling the same roles every few months and your onboarding process runs on a permanent loop. That’s where high turnover stops being a statistic and becomes a real employee retention problem.

How to Calculate Your Turnover Rate

The formula is straightforward, but getting it wrong is surprisingly common. Here’s how it works:

Average headcount = (headcount at start of period + headcount at end) / 2. If you had 50 employees in January, 46 in March, and 8 people left during that quarter, your quarterly turnover rate is 16.7%.

A few things people get wrong:

• Counting internal transfers as turnover. A promotion or department move isn’t a departure – don’t inflate the number
• Mixing voluntary and involuntary exits without labeling them. Firing three underperformers is different from losing three top employees to competitors
• Using end-of-period headcount instead of the average. This skews the rate, especially in seasonal businesses where headcount fluctuates

Track it monthly, review it quarterly. A single bad month might just be coincidence. Three consecutive months of rising turnover in the same department – that’s a signal. Your workforce reporting tools can automate most of this if you’re feeding attendance and staffing data into them consistently.

What Does Employee Turnover Actually Cost?

More than most companies think. Way more.

The visible costs are obvious: job ads, recruiter time, background checks, training hours. But the invisible costs pile up faster. According to Gallup’s workplace research, replacing a single employee costs between one-half and two times that person’s annual salary – and U.S. businesses lose roughly $1 trillion per year to voluntary turnover alone.

Recruitment eats $3,000-5,000 per hourly hire when you add up the postings, agency fees, and interview hours. Training burns another 3-8 weeks before the new person reaches full productivity. Meanwhile, existing staff are covering the gap on overtime – 1.5x pay rate, plus the fatigue that makes them consider leaving too.

Then there’s the stuff that doesn’t show up on a spreadsheet. The institutional knowledge that walks out the door. The client relationships that need to be rebuilt. The drop in job satisfaction and employee engagement every time someone leaves and the remaining team has to absorb the workload.

That morale piece is the one that keeps operations managers up at night. Picking the right HR tools for a small team can interrupt this cycle before it spirals. Turnover is contagious. When one person leaves and the rest of the team has to absorb the workload, some of them start looking too. It’s a cycle, and breaking it requires catching the pattern early – not after the third resignation letter in a month.

Top Reasons Employees Leave

Exit interviews tell you what people are comfortable saying out loud. The real reasons are usually messier. But after years of workforce data and dozens of conversations with shift-based managers, the same drivers come up again and again – and most of them tie back to workplace culture, not compensation.

Unpredictable scheduling

When employees can’t plan their lives around their work schedule, they leave. It’s that simple. A parent who doesn’t know their shifts until Friday can’t arrange childcare for the following week. A student who keeps getting scheduled during class hours will quit before midterms.

Predictability isn’t a perk – it’s a basic work-life balance requirement. For hourly workers it’s the bare minimum, and a lot of managers still don’t get that. A structured approach to building shift rosters goes a long way toward fixing this.

Poor management

People don’t leave companies. They leave managers. Cliche, but true. Favoritism in shift assignments, inconsistent enforcement of rules, micromanaging clock-ins – these small frustrations compound. A good employee will tolerate a tough job. They won’t tolerate a bad boss.

No growth path

If someone sees the same role, same pay, and same shift for the next two years, they’re already browsing job boards. Even in hourly positions, people want to know there’s a next step – shift lead, trainer, supervisor. The path doesn’t have to be fast. It just has to exist.

Compensation gaps and burnout

Sometimes it’s not the total number on the paycheck. It’s the perceived fairness. When the new hire makes the same as someone with two years of experience, word gets around fast. When overtime pay is calculated inconsistently across locations, trust erodes. Transparency matters more than generosity here.

And then there’s the burnout spiral. Someone quits. The remaining staff picks up the slack. They burn out. Another one quits. If you’re regularly running shifts with fewer people than you need, you’re not saving on labor costs – you’re just deferring the expense to future recruitment. We’ve seen this pattern at businesses that cut one or two positions to save money and ended up spending triple that on replacements within six months.

How to Reduce Employee Turnover

There’s no single fix. But the companies with the lowest turnover rates tend to do the same handful of things consistently. None of them are expensive. Most of them are about paying attention. Here’s what a practical retention strategy looks like.

Fix scheduling first

Publish schedules at least two weeks in advance. Let employees set availability preferences. Make shift swaps easy and transparent. For hourly workers, the schedule is the relationship with the employer – make it a good one.

Onboard like you mean it

The first 90 days predict everything. A solid onboarding process – documented policies, clear expectations, a buddy system – cuts early turnover dramatically. Having a well-structured company policy guide for new hires is a good starting point. Pair it with actual face time from a manager, not just a binder and a login, and you’ll see the difference in 90-day retention almost immediately.

Train your managers

Most shift supervisors were promoted because they were good at the job, not because they know how to manage people. Invest in basic leadership skills: giving feedback, handling conflict, distributing shifts fairly. It pays back fast.

Growth matters too. Even small moves – cross-training for different roles, shift lead positions, a path from part-time to full-time. Document these paths so employees know they exist.

Use data to spot problems before people leave

Rising absenteeism, declining shift-swap activity, increasing overtime in a specific department – these are early warning signs. By the time someone hands in their notice, you’ve already lost. Looking at patterns in your scheduling data on a regular basis can surface retention risks weeks before they turn into resignations. It turns reactive hiring into proactive workforce planning.

Turnover Benchmarks: How Do You Compare?

“Is our turnover rate bad?” – the question every HR person hears eventually. The honest answer: it depends on your industry. Hospitality and food service routinely hit 60-80% annually. Retail sits around 60-65%. Healthcare lands between 20-30%, manufacturing and warehousing hover at 25-40%, and professional services typically see 12-18%.

But benchmarks only get you so far. A restaurant with 50% turnover in a market where the average is 75% is actually doing well. A consulting firm at 15% might be hemorrhaging talent if their competitors are at 10%. Compare against your own trend line first. Are you getting better or worse over time? That matters more than where you stand relative to a national average.

Also worth tracking: first-year turnover vs. overall. If most of your departures happen within the first six months, you have an onboarding problem, not a retention problem. Different diagnosis, different fix – and the strategies you use to reduce staff turnover will look completely different depending on which one you’re dealing with.

Voluntary vs. Involuntary Turnover

Lumping all departures into one number hides more than it reveals. You need to split them.

Voluntary turnover – the employee chose to leave. Resignation, retirement, relocation. This is the number that reflects your workplace quality. If it’s climbing, something in the employee experience is broken.

Involuntary turnover – the company initiated the separation. Terminations for cause, layoffs, end of contract. This number reflects your hiring quality and business conditions. High involuntary turnover might mean you’re hiring the wrong people, or that your performance expectations aren’t communicated clearly during onboarding.

There’s a third category that often gets ignored: regrettable turnover. That’s when someone you wanted to keep leaves. Track this one separately. If your best performers are disproportionately walking out, the overall rate is masking a serious problem.

FAQ

What is a good employee turnover rate?

Depends entirely on your industry. Under 60% in hospitality is strong. Under 15% in an office setting is typical. But the most useful comparison is your own trend – are things improving quarter over quarter, or getting worse?

How is employee turnover rate calculated?

Divide the number of employees who left during a period by the average number of employees during that same period, then multiply by 100. So 6 departures in a quarter with an average headcount of 40 gives you 15%.

What is the difference between turnover and attrition?

Turnover means the position gets refilled. Attrition means it doesn’t – the role is eliminated or absorbed. Both reduce headcount, but only turnover involves the full cycle of replacement costs. A company letting roles disappear through attrition is downsizing, not struggling with retention.

Can scheduling software help reduce employee turnover?

Yes. Unpredictable schedules are one of the top drivers of turnover in shift-based work. Tools that publish rosters early, allow preference-based assignments, and let employees manage swaps give workers more control over their time. That control directly affects whether they stay.

Daria Oleshko

Customer Success Manager at Shifton with extensive experience in workforce management and field service management.