Do I pay both halves of FICA?

The total FICA tax is 15.3%. The employer pays half (7.65%), and the employee pays the other half (7.65%), which you are required to withhold from their paycheck. This calculator only shows the employer's half, as that is the cost borne by the business.

Does this include Workers' Compensation?

No. Workers' compensation insurance is required in almost all states, but the rates vary so drastically by industry (a roofer's rate might be 20%, while an office worker's rate might be 0.1%) that it must be quoted by an insurance broker.

What is the wage base limit?

A wage base limit is a cap on taxable income. For example, you only pay the 6.2% Social Security tax on the first $168,600 an employee earns in 2024. If they earn $200,000, you pay no Social Security tax on the final $31,400 of their income.

Employer Payroll Tax Calculator

Employer Payroll Tax & Burden Calculator

Employee Cost Inputs

Employee Annual Gross Salary

Annual Benefits Cost (Health, 401k, etc)

What is the True Cost of an Employee?

A common mistake made by new business owners is assuming that a $75,000 salary costs the business exactly $75,000. In reality, the true cost is significantly higher due to mandatory payroll taxes, workers' compensation, and discretionary benefits.

This hidden cost is known as the Employer Burden Rate. For a standard US employee receiving basic health benefits and a 401k match, the burden rate is typically 20% to 30% on top of their gross salary.

Mandatory US Payroll Taxes

Every US employer is legally required to pay the following taxes in addition to what is withheld from the employee's paycheck:

FICA (Social Security): 6.2% of the employee's gross wages, up to a wage base cap (which is $168,600 for the year 2024).
FICA (Medicare): 1.45% of the employee's gross wages, with no wage base cap.
Federal Unemployment (FUTA): 6.0% on the first $7,000 of wages, but almost all employers receive a 5.4% credit, dropping the effective rate to 0.6% ($42 maximum per employee per year).
State Unemployment (SUI): Varies wildly by state and by your company's history of laying off workers. It is charged as a percentage against a state-defined wage base cap.

Benefits: The Largest Burden

While taxes add about 8% to 10% to the cost of an employee, discretionary benefits are the primary driver of a high burden rate. The average cost of an employer-sponsored health insurance plan in the US is over $7,000 per year for a single employee, and over $20,000 for family coverage.

W-2 Employees vs. 1099 Contractors

Because the employer burden is so high, many companies attempt to classify workers as 1099 Independent Contractors. When you hire a contractor, you pay zero FICA, zero unemployment, and zero benefits. The burden rate is effectively 0%.

However, the IRS has extremely strict rules regarding worker classification. If you control exactly how, when, and where a contractor does their work, they are legally a W-2 employee, and misclassifying them can result in devastating penalties and back-taxes.

Frequently Asked Questions

What Is a Employer Payroll Tax Calculator?

The Employer Payroll Tax Calculator is a practical online tool designed to give you fast, reliable answers for everyday decisions. Whether you are planning a budget, comparing options, or verifying a quick estimate, this calculator removes the guesswork and delivers clear, actionable numbers. It is built for anyone who needs a dependable result without wading through spreadsheets or manual formulas. By focusing on the inputs that actually matter, the Employer Payroll Tax Calculator keeps the experience simple while still producing a trustworthy output you can act on with confidence.

How It Works

Using the Employer Payroll Tax Calculator is straightforward. Enter the key values in the input fields above, adjust any advanced options if they apply to your situation, and click the Calculate button. The calculator applies the standard industry formula behind the scenes and instantly updates every result component on the right, including the primary result card, the three-stat bar, the breakdown table, the chart, and the summary statistics. All inputs are pre-filled with realistic defaults so you see a complete result the moment the page loads. The tool validates your entries and handles edge cases such as zero, negative, or empty values without crashing, so you always get a clean, readable answer rather than an error or a NaN.

Understanding Your Results

The results panel is organized so the most important number is always at the top, followed by supporting metrics that put that number in context. The breakdown table shows exactly how each input contributes to the total, and the chart visualizes the distribution so you can spot the biggest drivers at a glance. Use the summary statistics block to cross-check the headline figure against the detailed rows, because the two are designed to match exactly. Adjust any input and click Calculate again to compare scenarios side by side, which makes the Employer Payroll Tax Calculator useful for both quick checks and deeper what-if analysis.

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