Contractor vs Employee: The True Cost Comparison (Including the Tax Math)
The sticker price of a contractor looks cheaper than an employee — until you account for what each actually costs and what each actually risks. A contractor at $80/hour can cost more per unit of output than an employee at $60K/year once you factor in availability, productivity, and the legal cost of misclassification.
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The Quick Answer
A full-time employee costs 1.25-1.4x their base salary when you include payroll taxes, benefits, and overhead (a $75K salary employee costs $94K-$105K all-in). A contractor costs exactly what you pay them, but you pay market rate for specialized skills and get no exclusivity. Use contractors for specialized or project-based work. Use employees for core functions where continuity, training investment, and cultural alignment matter.
The True Cost of an Employee
Base salary: $75,000 Payroll taxes (employer): $5,738 (7.65% FICA) Health insurance (employer share): $6,000-$12,000/year 401k match (3%): $2,250 Workers' comp insurance: $750-$1,500 (varies by industry) Unemployment insurance: $420-$900 Equipment and software: $2,000-$5,000/year Office space allocation: $3,000-$8,000/year
Total fully-loaded cost: $95,000-$110,000 for a $75K base salary employee. The multiplier is typically 1.25-1.45x base.
The True Cost of a Contractor
A contractor handles their own payroll taxes, health insurance, and benefits. You pay only the agreed rate.
But the rate is higher — contractors price their services to include the overhead you are not covering. A skilled contractor at $100/hour who works 40 hours per week costs $208,000/year if fully utilized. The same role as a W-2 employee might be a $100K base ($140K fully loaded).
The real contractor math: contractor rates are only cheaper when utilization is partial. If you need someone 20 hours/week, a contractor at $80/hour costs $83,200 versus a part-time or full-time employee at $125K+ fully loaded.
When to Hire a Contractor
You need specialized expertise for a defined project (website build, logo design, legal work, accounting). The work is time-bounded — you need someone for 3-6 months, not indefinitely. You cannot justify a full-time hire but need the function covered. You want flexibility to scale up or down based on demand without severance obligations.
When to Hire a Full-Time Employee
The function is ongoing and central to your operations. You are investing in training that will compound over time — a contractor walks away with that knowledge. The role requires access to confidential information or decision-making authority that is uncomfortable to extend to a contractor. You need someone available full-time, which means contractor rates make them more expensive than an employee.
The Misclassification Risk
Classifying a worker as a contractor when they should be an employee exposes you to back payroll taxes, penalties, and potential lawsuits. The IRS and state labor departments look at three factors: behavioral control (do you control how the work is done?), financial control (do you provide tools, set rates, and pay regularly?), and the type of relationship (indefinite vs. project-based, benefits, written contracts).
If someone works exclusively for you, follows your schedule, uses your tools, and has been doing so for more than a year — they are almost certainly an employee under the law regardless of what your contract says.
How to Get Started
For contractors: use a written contractor agreement that specifies project scope, deliverables, payment terms, and IP assignment. Have them submit W-9s and issue 1099-NEC forms for payments over $600.
For employees: run a formal job description through your payroll platform (Gusto, Rippling) to ensure compliance. Use offer letter templates that include at-will language appropriate for your state. Budget 4-6 weeks of salary for recruiting costs.
RECOMMENDED TOOLS
Gusto
Payroll for employees and contractor payments
Rippling
Hire and onboard employees and contractors in one place
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FREQUENTLY ASKED QUESTIONS
Can I convert a contractor to an employee?
Yes. Many companies do this once a contractor relationship becomes ongoing. The conversion is straightforward — they fill out standard new hire paperwork and you add them to payroll. You may owe back payroll taxes if the prior relationship should have been classified as employment from the start.
Do I need to provide benefits to part-time employees?
Health insurance requirements (ACA employer mandate) apply to businesses with 50+ full-time equivalent employees. Below that threshold, benefits are optional. Many small businesses offer benefits to part-time employees as a retention tool rather than a legal requirement.
What is the rule of thumb for contractor-to-employee conversion?
If you find yourself relying on a contractor for more than 25-30 hours per week for more than 6 months, the economics of conversion usually favor employment. You pay less per hour, you get full availability, and you eliminate the misclassification risk.