Labor Cost Percentage
Definition, rules and examples

For businesses with hourly teams, labor is usually one of the largest controllable costs. Labor cost percentage turns that cost into a single number managers can track weekly, compare across locations, and use when building schedules. It is a business metric rather than a legal requirement, but it is closely tied to compliance: overtime, missed punches, and time-tracking errors all show up in it.

How labor cost percentage works

Labor cost percentage = (Total labor cost / Total revenue) x 100

Total labor cost usually includes:

• Gross wages: regular pay, overtime, shift differentials, and bonuses
• Employer payroll taxes: such as the employer share of Social Security and Medicare, and unemployment taxes
• Employer-paid benefits: such as health insurance contributions and retirement matches

Some businesses also include contractor or staffing agency costs, or calculate separate percentages for hourly and salaried staff. There is no single standard, so define your formula and keep it consistent.

Worked example

A restaurant has $42,000 in revenue for the week. Its hourly wages total $9,800. The IRS's Tax Topic 751 states that the employer's share of Social Security is 6.2% and Medicare is 1.45%, a combined 7.65%. Other employer-paid costs (benefits and unemployment taxes) are estimated at $450 for the week in this hypothetical.

Now suppose the same week included 40 hours of unplanned overtime at an average overtime rate of $27.00. That adds $1,080.00 in wages plus $82.62 in employer Social Security and Medicare, bringing total labor cost to $12,162.32 and the percentage to about 29.0%, with no change in revenue. The overtime calculator can help estimate the cost of overtime hours.

Scheduled vs. actual labor cost

Many managers track two versions of the metric:

• Scheduled labor cost percentage: based on the hours in the published schedule and forecasted sales. This is a planning tool.
• Actual labor cost percentage: based on hours actually worked and actual revenue. This shows what happened.

The gap between the two points to the causes: shifts that ran long, early clock-ins, missed breaks that turned into paid time, unplanned call-ins, or sales that came in above or below forecast.

Legal factors that affect labor cost

Labor cost percentage is not regulated, but the inputs are. Federal rules require non-exempt employees to be paid at least 1.5 times the regular rate for hours over 40 in a workweek, according to the Department of Labor's Fact Sheet #23. Minimum wage increases at the state and local level raise the floor for wages. Some cities and states have predictive scheduling laws that require extra pay for certain late schedule changes, which can make last-minute cuts more expensive than planned ones.

Best practices for managing labor cost percentage

• Forecast demand using sales history by day and hour, and schedule to that forecast.
• Use shift templates for predictable patterns, then adjust for known events.
• Monitor hours during the week. Catch overtime before it happens, not after payroll.
• Fix timekeeping errors. Missed punches and manual edits can inflate or understate hours.
• Track by location and daypart. A single company-wide number hides where costs are out of line.
• Consider turnover costs. Hiring and training new employees adds labor cost that the weekly metric may not show directly. See turnover rate.

Common mistakes

• Using different periods for labor and revenue, such as a biweekly payroll against weekly sales.
• Leaving out payroll taxes and benefits, which understates true labor cost.
• Chasing a benchmark from another business instead of tracking your own trend.
• Cutting hours below what demand requires, which can hurt service and revenue.
• Ignoring compliance costs, such as premiums for late schedule changes, when planning cuts.

Related labor metrics

Using the example above, sales per labor hour depends on total hours. If the $9,800 in wages represented 560 hours of work, sales per labor hour would be $42,000 / 560 = $75.00. Watching these metrics together gives a fuller picture than any one number. A rising labor cost percentage with steady sales per labor hour, for instance, may point to higher wage rates rather than overstaffing.

A weekly labor review routine

1. Compare scheduled hours to forecasted sales before the schedule is published.
2. Mid-week, review hours worked so far and who is approaching 40 hours.
3. At week end, calculate actual labor cost percentage by location.
4. Investigate the largest gaps between scheduled and actual hours.
5. Adjust next week's templates based on what you learned.

Even a 15-minute review each week can reveal recurring problems, such as a daypart that is always overstaffed or a shift that regularly runs long.

How EZTime helps

EZTime gives you the hours data behind labor cost. AI shift scheduling and shift templates help match staffing to demand, while a GPS mobile time clock with geofencing, NFC tags, a tablet kiosk, and biometric clocks capture actual hours. Overtime and break alerts help managers prevent unplanned overtime, shift swaps with approval keep coverage in place without extra hours, and timecard corrections are logged in an audit trail. Payroll-ready Excel and PDF exports work with any payroll software; EZTime does not run payroll. Plans start at $2 per employee per month with a 14-day trial. See scheduling software and pricing.