What it means
The most common mistake is to treat labour cost as just the salary. A person paid $60,000 usually costs the business considerably more once employer payroll taxes, pension contributions, health cover, paid leave, equipment and management time are added.
That fuller figure is often called the fully loaded cost. Labour costs are normally split into direct and indirect.
Direct labour is time spent making a product or delivering a service that can be traced to a specific job, such as an assembly worker or a consultant on a client project. Indirect labour supports the operation without being tied to one job, for example supervisors, cleaners and warehouse administrators.
Why the split matters depends on the business. In a factory, direct labour flows into the cost of each unit and so into inventory and cost of goods sold, while indirect labour is spread across production as overhead.
In a professional services firm, almost all labour is the product, so labour cost is closely watched against revenue. Managers use labour costs in several ways.
They track labour as a percentage of revenue, calculate a cost per hour to set prices and bids, and compare actual costs with budget or standard rates to find variances. They also use them in headcount planning when deciding whether to hire an employee, use a contractor or automate a task.
Labour costs behave differently from other expenses because they are slow to change. Cutting staff involves notice periods, severance and lost knowledge, so finance teams treat them as semi-fixed even when pay is partly variable.
Overtime, temporary staff and bonuses give some flexibility, but they rarely cover a sharp fall in demand. Labour cost data comes from the payroll system, the general ledger and the time recording system, and the three need to agree.
When they do not, the usual culprits are accrued bonuses, holiday pay not yet taken and timing differences at the period end. A monthly reconciliation of payroll to the ledger catches these gaps before they distort job costs.
In practice
Real-world examples
Example 1
A restaurant owner finds that her payroll equals 38% of revenue, when her target is 32%. By reshaping shifts so that fewer staff work the quiet afternoon hours, she cuts labour costs without cutting service at busy times. Profit for the month improves by several thousand dollars.
Example 2
A software company costing a new engineer for a budget uses the salary plus an uplift for payroll taxes, benefits and equipment. The $120,000 salary becomes a loaded cost of about $150,000. The extra figure prevents the team from underestimating the true cost of the hire.
Example 3
A construction firm bids for a project using a labour rate per hour that includes supervision and benefits. It wins the job and tracks actual hours against the bid. The data tells it whether its labour pricing was realistic for next time.
Think of it
Labor costs are like running a car. The purchase price or salary is just the fuel, but you also need to budget for insurance, regular servicing, and replacement tyres to keep the vehicle safely on the road.
Formula
Calculation
Total labour cost = Wages and salaries + Employer taxes + Benefits + Other employment costs
Fully loaded cost per hour = Total labour cost / Hours worked
Labour cost ratio = Total labour cost / Revenue
A business with five full-time staff pays wages of $400,000, employer taxes of $32,000 and benefits of $60,000, and spends $8,000 on recruitment and training. Total labour cost is 400,000 + 32,000 + 60,000 + 8,000 = $500,000. With 5 staff each working 2,000 hours, there are 10,000 hours, so the fully loaded cost is 500,000 / 10,000 = $50 per hour. Against revenue of $2,000,000 the labour cost ratio is 500,000 / 2,000,000 = 25%.Case study
Seen in the real world
Oakridge Print & Pack is an illustrative, fictional packaging printer with 60 employees. The owner believed that labour was about 28% of sales, but when the new finance manager included overtime, agency staff, benefits and payroll taxes, the real figure came to 36%. The difference explained why profit had been lower than expected despite record sales.
The finance manager rebuilt the labour budget by department and tracked overtime weekly. She discovered that one shift relied on overtime because of poor scheduling, not because of high demand. Rescheduling saved an illustrative $140,000 a year and gave the owner a labour measure that reflected reality.
Watch out
Common mistakes
- Counting only salaries and forgetting employer taxes, benefits and other on-costs, which understates the real cost of every employee.
- Treating all labour as variable, when most of it is difficult to cut quickly without redundancy costs.
- Pricing jobs on a wage rate alone instead of a fully loaded rate, which erodes margins.
Questions
People also ask
What is the difference between direct and indirect labour costs?
Direct labour is traceable to a specific product or job, while indirect labour supports the operation as a whole.
How are labour costs shown in the accounts?
Direct labour is usually included in cost of goods sold, and indirect and administrative labour appears in operating expenses.
What is a good labour cost ratio?
It varies widely by industry, from a small share of revenue in capital-heavy manufacturing to well over half in professional services, so compare against similar businesses.