A base wage is only one part of employer labor cost. This calculator adds user-entered wage-based percentages and flat hourly amounts to show an internal burden estimate. Use it to keep taxes, workers’ compensation, insurance, benefits and allocated field costs visible instead of hiding them inside markup.
The defaults are placeholders, not national benchmarks. Replace them with current payroll records, policy documents, benefit invoices and the allocation method used by your company. The result is an estimating input, not a tax return, insurance quote or customer bill rate.
Labor Burden Calculator
Enter the base hourly wage, then the employer costs. Percent fields scale with the wage; benefits and other are flat dollars per hour. The calculator returns your total burden, fully-burdened hourly cost, and burden markup.
Total burden$11 /hr
Burdened hourly cost$41 /hr
Burden markup37.7%
Estimates for planning only. Check the result against your plans and a supplier quote before you order.
How to Use the Calculator
Enter the base hourly wage actually paid.
Enter employer costs that you intentionally model as percentages of wage. The IRS currently lists 6.2% Social Security and 1.45% Medicare rates for the employer. (IRS Topic 751) Add unemployment and other payroll items from your own notices and filings rather than relying on the calculator default.
Enter the workers’ compensation rate from the applicable policy and classification. The U.S. Department of Labor directs people employed by private companies or state and local agencies to their state workers’ compensation board. (U.S. Department of Labor)
Enter general liability only under a consistent allocation method supported by the policy and accounting records.
Convert benefits and other annual costs to hourly inputs using a documented hour base.
The calculator returns burden dollars per hour, fully burdened hourly cost and burden as a percentage of base wage.
The Formula
Burdened cost = base wage + base wage x (payroll-tax percentage + workers’ compensation percentage + liability percentage) / 100 + benefits per hour + other per hour.
For a $30 wage with inputs of 10% payroll tax, 8% workers’ compensation and 3% liability, the percentage-based burden is $6.30. Add $4 of benefits and $1 of other cost for $5 of flat burden. Total burden is $11.30, fully burdened cost is $41.30 per hour, and burden equals about 37.7% of the base wage.
That worked math explains this calculator. It does not make the sample percentages appropriate for a specific employer.
Burden Is Cost, Not Bill Rate
This calculator stops at internal labor cost. A bill rate must also address the overhead and profit your pricing method assigns outside labor burden. Keep those layers separate so a change in workers’ compensation or benefits does not silently change the profit assumption.
Consider a hypothetical crew lead earning $34 an hour. If the company enters 10.2% payroll tax, 9% workers’ compensation and 2.5% liability, the percentage-based burden is about $7.38. If benefits are $5.10 per hour and other allocated cost is $1.40, flat burden is $6.50. Total burden is $13.88 and fully burdened cost is $47.88 per hour.
At a $55 bill rate, the difference from that modeled labor cost is $7.12 per billed hour, about 13% of revenue, before any costs kept outside the burden model. The decision value is not the sample rate. It is seeing exactly which costs and allocations produced the estimate.
Where the Rates Come From
Use current employer records for every input:
Social Security and Medicare: current IRS guidance and payroll reports. The IRS lists employer rates of 6.2% and 1.45%, respectively. (IRS Topic 751)
Unemployment taxes: federal and state filings, notices and wage-base rules.
Workers’ compensation: the policy rate, classification, experience modification and audit treatment that apply to the worker.
General liability: the policy and accounting method used to allocate the premium.
Benefits: employer-paid health, retirement, paid leave and other plan costs from invoices and payroll records.
Other field costs: only items the company deliberately assigns to labor hours, such as PPE, training, phone or vehicle allocations.
BLS compensation statistics separate wages and salaries from benefit costs, which reinforces the accounting distinction, but national averages are not a substitute for company records. (U.S. Bureau of Labor Statistics) Choose paid, worked, productive or billable hours according to the purpose of the rate, label that denominator, and use it consistently.
Labor Burden Reference
Input
Where to get it
Calculator treatment
Base wage
Payroll record
Dollars per hour
Social Security
IRS guidance and payroll report
Percentage of applicable wage
Medicare
IRS guidance and payroll report
Percentage of applicable wage
Unemployment
Federal and state records
Model under the method your company uses
Workers’ compensation
Policy, classification and modifier
Percentage input when expressed per payroll
Liability
Policy and accounting allocation
Percentage input only when allocated by wage
Benefits
Employer invoices and payroll
Dollars per chosen hour base
Other
Documented field-cost allocation
Dollars per chosen hour base
FAQ
What is labor burden?
It is the employer cost assigned to a worker beyond base wage. This calculator can include wage-based percentages plus flat hourly benefits and other allocations.
What is a typical construction labor-burden percentage?
There is no reliable universal percentage. Tax wage bases, compensation policies, classifications, benefits and allocation methods differ. Use current company records.
Is burdened cost the same as bill rate?
No. Burdened cost is an internal cost estimate. A bill rate may also need overhead and profit that are not assigned inside this calculator.
Should annual benefits be divided by paid or productive hours?
Use the denominator that matches the purpose of the rate, document it and stay consistent. Productive-hour allocation can be useful for estimating, while payroll or financial reporting may use a different basis.