About the Nanny Tax Calculator
This calculator estimates the federal payroll tax obligations that come with paying a household employee, such as a nanny, housekeeper, or in-home caregiver, once wages cross the annual reporting threshold. It separates what the employer owes from what should be withheld from the employee's pay, plus the federal unemployment tax that falls solely on the employer. It's meant for families trying to understand the real cost of household help before hiring.
How It Works
Enter the total annual wages you expect to pay the household employee. If wages fall below the 2025 threshold of $2,800, the calculator reports that nanny tax rules don't apply. Above that threshold, it applies the combined 15.3% Social Security and Medicare rate split evenly between employer and employee, plus a 0.6% federal unemployment (FUTA) tax on the first $7,000 of wages, and totals the employer's share with FUTA into one employer tax cost figure.
Examples
Full-Time Nanny at $20,000 a Year
At $20,000 in annual wages, the employer's Social Security/Medicare share is $20,000 x 7.65% = $1,530, FUTA tax is $7,000 x 0.6% = $42, bringing total employer tax cost to $1,572, with an equal $1,530 withheld from the employee's pay.
Part-Time Help Under the Threshold
A household paying $2,500 in annual wages to an occasional babysitter stays below the $2,800 threshold, so no nanny tax withholding or employer tax obligation applies under this calculation.
Advantages
- Shows the true employer cost of household help, not just the gross wages paid, by including both payroll tax and FUTA.
- Clarifies which portion is withheld from the employee versus paid separately by the employer, reducing confusion about the split.
- Flags whether the threshold has been crossed at all, helping families who pay occasional or part-time help determine if formal payroll obligations even apply.
Common Mistakes
- Assuming that paying a household employee informally in cash avoids these obligations, when the requirement is based on total wages paid, not how payment is made.
- Overlooking that the threshold applies to cumulative wages paid to one employee over the full year, not to any single pay period.
- Forgetting that FUTA tax is an employer-only cost and should never be withheld from the employee's pay, unlike the Social Security and Medicare shares.
Edge Cases to Watch For
- The $2,800 threshold behaves as a cliff rather than a phase-in: wages just under it trigger no tax at all, while crossing it applies the full 15.3% and FUTA calculation to the entire wage amount, not just the amount above the threshold.
- FUTA tax only applies to the first $7,000 of wages per year, so employer FUTA cost stops growing once wages exceed that wage base, even though Social Security and Medicare shares keep scaling with total wages.
- The calculator covers federal obligations only; it does not include state unemployment insurance tax, which most states also require household employers to pay, so the true total employer cost is typically higher than what's shown here.
Common Use Cases
- Families budgeting for the true cost of hiring a nanny, housekeeper, or in-home caregiver.
- Household employers preparing to file Schedule H and needing to estimate the tax amounts involved.
- Part-time or seasonal employers checking whether their wage level crosses the reporting threshold.