How to Calculate Labor Burden?

A common mistake among growing trade contractors is believing that a worker earning 30 dollars per hour costs the business 30 dollars per hour. Depending solely on raw base wages when pricing jobs frequently leads to underpriced bids and disappearing profit margins. To run a sustainable construction company, owners should account for the substantial hidden labor costs in construction that accompany every single hour spent in the field.

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To find the expense of your crew, you have to determine your construction labor burden rate. This metric represents the total cost of all indirect payroll expenses, taxes, and benefits required to maintain an employee in the field. Failing to accurately calculate this rate leads to flawed job costing and unexpected cash shortages. Understanding this calculation gives contractors the clarity needed to protect their bottom lines and bid projects with total accuracy.

_{Understanding the Hourly Employee Cost}

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Calculating the exact hourly employee cost requires looking far beyond the face value of a weekly paycheck. Gross wages only account for the direct compensation paid to a worker for their time. The actual cost to the business includes a massive layer of secondary expenses that must be paid simply to keep that worker legally and safely operating on a jobsite.

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It is important to separate these field costs from general corporate overhead. Company-wide overhead includes expenses like office rent, administrative staff salaries, and marketing campaigns. These are general costs of running a business. Field labor overhead allocation, on the other hand, consists strictly of indirect expenses tied directly to your field personnel. If an expense disappears when you lay off field staff, it belongs in your labor burden calculation rather than your general overhead pool.

_{The Labor Burden Checklist}

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To calculate an accurate labor burden rate, contractors have to systematically track every dollar spent on an employee outside of their base hourly wage. Missing any one minor expense can cause significant financial leaks across a long project lifecycle.

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When building a comprehensive profile for a field worker, make sure your labor checklist includes these primary categories:

_{Mandatory Payroll Taxes}

Every employer must pay statutory taxes based on worker wages. This includes the employer portion of Federal Insurance Contributions Act taxes for Social Security and Medicare, which totals 7.65% of gross wages. You must also include Federal Unemployment Tax Act and State Unemployment Tax Act rates, which vary depending on your state and claims history.

_{Workers Compensation Insurance}

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Workers comp class codes heavily influence your final labor burden rate. Insurance providers assess premiums based on the specific risk level of the work performed. An ironworker or a roofer carries a significantly higher premium rate per 100 dollars of payroll than a finish carpenter or a shop technician.

_{Company-Provided Benefits}

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Any perks or benefits offered to retain talent must be accounted for. This includes company contributions to health, dental, or vision insurance plans, retirement matching programs, and paid time off. Holiday pay, sick leave, and vacation hours must be quantified because you pay the worker for hours where no physical project progress occurs.

_{Field Support and Equipment Costs}

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Providing the tools of the trade costs money. Contractors have to factor in the expense of company vehicles, fuel cards, uniforms, safety equipment like boots and safety glasses, and specialized training certifications. Small tools that are regularly broken or lost on the job site also fall into this category.

_{Labor Cost Formula}

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Once you compile all individual expenses, you can apply a structured labor cost formula to find the exact percentage to add to your base labor rates.

_{Step 1: Calculate Total Billable Hours}

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First, determine the actual production hours a worker gives the company in a year. A standard full-time employee is paid for 2,080 hours per year based on a 40 hour work week. However, they are not actually producing project revenue during holidays or sick days.

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2,080Total Paid Hours

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-   120 Paid Time Off (PTO) Hours

-    48 Paid Holiday Hours

-    32 Training & Meeting Hours

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1,880 True Production Hours

_{Step 2: Sum Annual Indirect Payroll Expenses}

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Next, total all the indirect costs associated with that employee over the course of the same year. For a typical trade worker, a breakdown might look like this:

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• Payroll Taxes (FICA, FUTA, SUTA): $4,200
• Workers Compensation Insurance: $5,500
• Health Insurance Contributions: $6,000
• Retirement Matching: $1,800
• Small Tools, Uniforms, and PPE: $1,500
• Total Annual Indirect Costs: $19,000

_{Step 3: Apply the Formula}

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To find the final burden rate, divide the total annual indirect costs by the gross annual production wages. If the employee earns $60,000 in base production wages, the math works as follows:

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Labor Burden Rate = $19,000/$60,000= 31.67

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This means that for every dollar of base wage paid to this employee, the company spends an additional 31.67 cents on indirect costs. To find the fully burdened hurly rate, apply this percentage to the hourly wage. A $30 base wage multiplied by 1.3167 equals a true hourly cost of $39.50.

_{Implementing a Labor Checklist in Excel}

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Manually calculating these numbers for every employee gets tedious. Contractors build a simple labor checklist in Excel to automate the math. To make sure your spreadsheet doesn't miss anything, use this checklist for your template:

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• Basic Info: Setup cells for the employee's hourly wage, expected overtime, and their specific workers comp code.
• Taxes: Add formulas for the taxes you have to pay as an employer, like FICA, FUTA, and your state unemployment tax.
• Benefits: Putin rows for company-paid health insurance, retirement matching, and the cost of paid time off or holidays.
• Field Gear: Include allowances for truck use, fuel cards, uniforms, safety gear, and tools.
• Regular Updates: Check your spreadsheet numbers twice a year. Tax rates, insurance premiums, and health care costs change, and using old numbers will quickly eat away your profits.

_Conclusion

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Many trade contractors wonder why their bank accounts look empty at the end of a busy year despite hitting their revenue targets. The culprit is almost always an inaccurate labor burden calculation. When you underestimate what it costs to put a worker in the field, you give away your profit margin with every hour of labor billed.

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Fixing your job costing metrics requires careful financial analysis and structured accounting systems. Eliminate hidden labor leaks and let your business generates sustainable returns, with our financial experts at Atheneum. Book a call to optimize your labor costing and protect your company's profitability.