Employer guide · Reviewed November 9, 2026
Calculate separate groups
Run the calculator for each group that shares the same annual taxable wages and payroll state, then add the estimates. This helps account for wage caps that apply to each employee.
Know what the estimate covers
It estimates the employer share of Social Security and Medicare plus federal unemployment tax under the displayed assumptions. Compare state unemployment and other local obligations separately.
Estimate a benefit change separately
Your baseline tax bill and potential savings from a qualifying benefit answer different questions. To assess a benefit proposal, ask how many employees can participate and which payroll taxes their deductions affect.