2015 Federal Payroll Tax Calculator
Estimate employee and employer federal payroll taxes for 2015 using Social Security, Medicare, Additional Medicare Tax, and optional FUTA assumptions. Enter annual wages to see a fast, clean breakdown.
Calculator Inputs
Results & Chart
Ready to calculate
Enter wages and click the button to see your 2015 employee payroll tax estimate, employer payroll tax estimate, and a visual chart.
Expert guide to using a 2015 federal payroll tax calculator
A 2015 federal payroll tax calculator helps you estimate the taxes tied directly to wage compensation for the 2015 tax year. For most workers and employers, the core federal payroll taxes are Social Security and Medicare, commonly grouped together as FICA taxes. Employers may also pay Federal Unemployment Tax Act, or FUTA, tax. If wages are high enough, some taxpayers also owe the Additional Medicare Tax on earnings above a filing-status-based threshold. The calculator above is designed to simplify those 2015 rules into an annual estimate that is easy to review and compare.
When people search for a 2015 federal payroll tax calculator, they are usually trying to answer one of several practical questions: How much FICA should be withheld from a paycheck or annual wage amount? How much does an employer owe on top of wages? What was the 2015 Social Security wage base? And when does the Additional Medicare Tax start applying? Those are the exact issues this page addresses.
For 2015, the Social Security tax rate was 6.2% for employees and 6.2% for employers, up to the annual wage base of $118,500. Medicare tax was 1.45% for employees and 1.45% for employers on all covered wages. An additional 0.9% Medicare tax applied to employee wages above certain thresholds, depending on filing status. FUTA generally applied to the first $7,000 of wages, and many employers effectively paid a net 0.6% rate after the full state unemployment credit.
What this calculator includes
This calculator focuses on the main federal payroll tax components relevant to 2015 wage planning:
- Employee Social Security tax: 6.2% of wages up to $118,500.
- Employee Medicare tax: 1.45% of all wages.
- Additional Medicare Tax: 0.9% on wages above the applicable threshold for the selected filing status.
- Employer Social Security tax: 6.2% of wages up to $118,500.
- Employer Medicare tax: 1.45% of all wages.
- FUTA: An employer-only tax generally imposed on the first $7,000 of wages, often reduced to a net 0.6% when the full credit applies.
It does not attempt to calculate federal income tax withholding, state income tax, local payroll taxes, pretax benefit plan reductions, or household employment exceptions. It is best used as a federal payroll tax estimator rather than a full paycheck engine.
2015 payroll tax rates and thresholds at a glance
The numbers below are the foundation of any accurate 2015 federal payroll tax estimate. If you understand these figures, you can quickly evaluate whether your withholding or employer tax accruals look reasonable.
| Tax component | 2015 rate | Wage limit or threshold | Who pays |
|---|---|---|---|
| Social Security | 6.2% | Up to $118,500 | Employee and employer |
| Medicare | 1.45% | No wage cap | Employee and employer |
| Additional Medicare Tax | 0.9% | Above filing-status threshold | Employee only |
| FUTA with full credit | 0.6% | First $7,000 of wages | Employer only |
| FUTA without full credit | 6.0% | First $7,000 of wages | Employer only |
Additional Medicare Tax thresholds for 2015
The Additional Medicare Tax is where many users become confused. Employers generally begin withholding the extra 0.9% when an employee’s wages exceed $200,000 in a calendar year, regardless of filing status. But the individual’s actual liability on the tax return depends on filing status. For planning purposes, the calculator above estimates the tax based on filing status thresholds, which is often more useful for annual budgeting.
| Filing status | 2015 Additional Medicare threshold | Extra employee tax above threshold |
|---|---|---|
| Single | $200,000 | 0.9% |
| Head of household | $200,000 | 0.9% |
| Qualifying widow(er) | $200,000 | 0.9% |
| Married filing jointly | $250,000 | 0.9% |
| Married filing separately | $125,000 | 0.9% |
How the 2015 federal payroll tax calculator works
The calculator starts with annual taxable wages. It then applies the 2015 Social Security wage base cap of $118,500. This means if annual wages are below $118,500, the Social Security tax is simply 6.2% of total wages for both employee and employer. If annual wages are above that amount, Social Security tax is capped. For 2015, the maximum employee Social Security tax on wages was $7,347.00, and the employer maximum was also $7,347.00.
Next, the calculator applies Medicare tax at 1.45% to all annual wages, both employee and employer. Unlike Social Security, Medicare does not stop at a wage cap. If wages rise, Medicare tax rises proportionally.
After that, the calculator checks whether wages exceed the selected filing status threshold for Additional Medicare Tax. If they do, it applies 0.9% to the excess amount. This tax is employee-only, which is why the employee total may be noticeably higher than the employer total at upper income levels.
Finally, if you choose to include FUTA, the calculator estimates employer FUTA using either a 0.6% net rate with the full state credit or a 6.0% rate if no credit is assumed. In either case, the wage base is limited to the first $7,000 of wages. That means the typical maximum FUTA amount with a full credit is only $42 per employee, while the gross maximum without the credit assumption would be $420.
Simple example using the 2015 rules
Suppose an employee earned $60,000 in 2015 and is single:
- Social Security tax: $60,000 × 6.2% = $3,720 employee and $3,720 employer.
- Medicare tax: $60,000 × 1.45% = $870 employee and $870 employer.
- Additional Medicare Tax: none, because wages do not exceed $200,000.
- FUTA with full credit: first $7,000 × 0.6% = $42 employer-only.
That produces an estimated employee payroll tax of $4,590 and an employer payroll tax of $4,632 when FUTA is included.
Why 2015 matters specifically
Archived payroll tax calculations matter more often than people realize. Business owners may need to review old payroll records, amend filings, prepare audit support, value backpay claims, estimate old compensation packages, or reconcile W-2 figures with accounting records. Employees may need 2015 estimates when reconstructing financial records, divorce support documentation, immigration evidence, student aid forms, or retirement benefit analysis.
The 2015 tax year also had a Social Security wage base that differs from nearby years, which is why a generic payroll tax calculator can easily produce the wrong answer if it uses current-year numbers. For example, someone comparing 2014 and 2015 needs to know that the Social Security wage base increased from $117,000 in 2014 to $118,500 in 2015. Even a seemingly small change like that can alter payroll tax totals for higher earners.
| Year | Social Security wage base | Employee Social Security max | Employer Social Security max |
|---|---|---|---|
| 2014 | $117,000 | $7,254.00 | $7,254.00 |
| 2015 | $118,500 | $7,347.00 | $7,347.00 |
| 2016 | $118,500 | $7,347.00 | $7,347.00 |
Common mistakes people make with 2015 payroll taxes
- Using current-year wage bases: This is the single biggest source of error in historical payroll tax estimates.
- Forgetting the Social Security cap: Once wages hit $118,500 in 2015, Social Security tax stops for the year.
- Mixing withholding rules with actual tax liability: Additional Medicare withholding by employers does not always match final tax owed on a joint return.
- Ignoring FUTA assumptions: FUTA is small for many employers, but it should not be omitted if you want a more complete employer-side estimate.
- Treating payroll taxes like income taxes: Payroll taxes are calculated under different rules and caps.
Employee perspective versus employer perspective
Employees often focus on what comes out of their wages, while employers care about the full labor cost. A strong 2015 federal payroll tax calculator should show both. For a lower- or middle-income employee, employer payroll tax is often very close to employee payroll tax because the Social Security and Medicare rates mirror each other. At higher wages, employee totals can climb above employer totals because of the Additional Medicare Tax, while the employer side does not pay a matching 0.9% surtax.
This distinction is valuable when comparing compensation packages. If a company offered $120,000 in wages in 2015, the employer cost was not just $120,000. There were payroll taxes on top. Likewise, if an employee was budgeting net cash flow, FICA withholding directly reduced take-home pay, even before federal income tax withholding was considered.
How to use this calculator for planning and reconciliation
You can use the tool in several practical ways:
- Reconstruct old payroll: Enter annual wages from a W-2 or payroll summary and compare the estimate to actual withholding records.
- Review year-end payroll: Check whether Social Security tax seems too high or too low relative to the 2015 wage base.
- Estimate employer burden: Include FUTA for a more realistic labor-cost estimate.
- Evaluate high-income payroll: Test how Additional Medicare Tax may affect the employee side.
- Prepare documents: Use the annual estimate as a support figure for financial analysis or archived recordkeeping.
Best sources for official 2015 payroll tax information
If you want to verify the figures independently, consult authoritative government sources. The most useful references include the IRS and Social Security Administration. Relevant sources include the IRS topic on Social Security and Medicare withholding rates, the Social Security Administration contribution and benefit base history, and the IRS instructions for employment tax forms. These references help confirm wage bases, rates, and filing mechanics.
Important limitations to remember
No short online estimator can capture every payroll edge case. If 2015 wages involved pretax retirement plan deferrals, cafeteria plan reductions, third-party sick pay, tips, nonqualified deferred compensation, or special household or agricultural employment rules, the actual payroll tax outcome could differ. Also, this calculator estimates annual tax based on wages entered. It does not process each paycheck in sequence, which matters if you are trying to match periodic withholding line by line.
That said, for standard wage scenarios, this calculator is an efficient and reliable way to estimate 2015 federal payroll taxes. It is especially useful when you need a clean annual summary with a visual breakdown of employee versus employer costs.
Bottom line
A good 2015 federal payroll tax calculator should do three things well: use the correct 2015 rates, apply the Social Security wage base accurately, and separate employee and employer obligations clearly. The calculator on this page does exactly that. By combining 2015 Social Security tax, Medicare tax, Additional Medicare Tax, and optional FUTA in one place, it gives users a practical estimate that is far more useful than a generic paycheck tool built for the wrong year.
If you are reviewing historical payroll, reconciling tax records, or estimating labor costs for a 2015 scenario, start with annual wages, choose the appropriate filing status, and review the resulting breakdown. For many users, that will answer the core question quickly: how much federal payroll tax applied in 2015, and who actually paid it?