Nanny Payroll Taxes Calculator

Check payroll tax inputs

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Wage starting point:

Choose how the employee's 2026 cash wages should be estimated.

Annual cash wages:

Enter total 2026 cash wages for this household employee.

$ / year

Pay frequency:

Choose the paycheck cadence used for the nanny payroll run.

Custom paychecks per year:

Enter how many paychecks will be issued during the year.

checks

Worker tax category:

Most nanny arrangements use unrelated adult household employee.

Employee FICA handling:

Choose whether employee Social Security and Medicare reduce the paycheck or are paid by the household.

Optional federal income tax withholding:

Enter an agreed flat federal income tax amount per paycheck, or leave 0.

$ / check

FUTA credit treatment:

Use full credit only when state unemployment contributions support it.

Custom net FUTA rate:

Use a percentage such as 0.6 for a full-credit estimate.

State unemployment estimate:

Enter a rate for budgeting, or set 0 when you want federal-only results.

State taxable wage base:

Use the current state wage base for household employment, if known.

$ wage base

Highest 2026 quarter wages:

Use 0 for auto-estimate, or enter the highest quarter's actual cash wages.

Prior same-year wages:

Use 0 when the wage plan already represents the full 2026 cash wage amount.

Rounding:

Use cents for payroll ledgers or whole dollars for early budgeting.

Payroll note label:

Add a household, employee, or planning note without changing the tax estimate.

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Tax line	Taxable basis	Employee withheld	Employer outlay	Copy
{{ row.line }}	{{ row.basis }}	{{ row.employee }}	{{ row.employer }}

Paycheck line	Per check	Annualized	Copy
{{ row.line }}	{{ row.perCheck }}	{{ row.annual }}

Enter valid payroll tax inputs to build the tax reserve mix.

Checkpoint	Applies?	Why it matters	Copy
{{ row.checkpoint }}	{{ row.applies }}	{{ row.note }}

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Hiring a nanny in the United States usually creates household-employer responsibilities, not just a private childcare budget. Cash wages can trigger Social Security, Medicare, federal unemployment tax, state unemployment contributions, wage records, and year-end forms. The same gross wage can also lead to different paycheck outcomes depending on whether the employee share of FICA is withheld or paid by the household.

The federal rules for 2026 use specific thresholds and wage bases. Social Security and Medicare generally apply when a household employee receives at least 3,000 in cash wages during the year, subject to worker-category exclusions. Federal unemployment tax can apply when total household employee cash wages reach 1,000 or more in any calendar quarter, but FUTA is paid by the employer, not withheld from the nanny's wages.

Gross wages flow into net pay, employee withholding, and the household employer's separate remittance reserve.

State rules are the part most likely to differ from one household to another. State unemployment rates, wage bases, disability insurance, workers compensation, paid leave, and local taxes can change the true employer cost. A federal-only estimate is useful for orientation, but payroll setup should still be checked against the household's state and any payroll service rules.

Federal income tax withholding is different from FICA. Household employers generally are not required to withhold federal income tax unless the employee asks and the employer agrees. If they do agree, the withholding affects the paycheck and remittance reserve, but it is not an employer tax.

How to Use This Tool:

Choose whether wages start from an hourly schedule or a known annual cash-wage amount.
Set the pay frequency, worker category, and employee FICA handling. Most nanny arrangements use an unrelated adult household employee.
Enter optional federal income tax withholding only when the nanny asks for it and the household agrees.
Select the FUTA credit treatment and enter the state unemployment rate and wage base supplied by the state agency or payroll service.
Use advanced inputs for highest quarter wages, prior same-year wages, rounding, and an optional payroll note label.

Interpreting Results:

The employer outlay is the annual amount the household funds on top of wages for employer payroll taxes and any employee FICA share the household chooses to pay. The annual remittance reserve is broader: it includes employer payroll taxes, employee taxes withheld from pay, and any employer-paid employee FICA.

The tax breakdown table separates employee-side amounts from employer-side amounts. Employee Social Security and Medicare may either reduce the paycheck or be shown as employer-funded depending on the selected FICA handling. FUTA and state unemployment appear only on the employer side.

Warnings should be treated as review prompts. They flag state payroll gaps, FICA or FUTA thresholds not reached, FUTA credit assumptions, employer-paid employee FICA treatment, and high-wage Additional Medicare Tax timing. Those warnings do not replace payroll registration, state tax setup, workers compensation review, or professional tax advice.

Technical Details:

For 2026 household employment, the federal calculation starts with cash wages and worker category. Eligible wages at or above the FICA threshold are subject to Social Security and Medicare for both employee and employer, with Social Security capped by the annual wage base. Medicare has no wage base cap, and Additional Medicare Tax is employee-only above the federal threshold used in the model.

FUTA uses a different trigger and base. It applies only when the quarter wage trigger is met and the worker category is FUTA-eligible. The gross FUTA rate is 6.0 percent, but a full state credit commonly reduces the effective federal rate to 0.6 percent when state unemployment contributions qualify. State unemployment is modeled from the user-entered rate and wage base because state values vary.

Formula Core:

W_{total} = W_{planned} + W_{prior}

EmployerFICA = 0.062 \min (W_{total}, 184500) + 0.0145 W_{total}

FUTA = Rate \min (W_{total}, 7000)

NetCheck = {Gross}_{check} - {FICA}_{withheld} - {AdditionalMedicare}_{withheld} - {FIT}_{check}

The FICA formula applies only when the selected worker category is eligible and total 2026 cash wages meet the threshold. Employee FICA uses the same 6.2 percent Social Security and 1.45 percent Medicare rates. Additional Medicare withholding is 0.9 percent on Medicare wages above 200,000 in this model.

2026 item	Modeled rule	Side of payroll
FICA threshold	3,000 cash wages for an eligible household employee.	Employee and employer.
Social Security	6.2 percent up to the 184,500 wage base.	Employee and employer shares.
Medicare	1.45 percent on eligible Medicare wages.	Employee and employer shares.
FUTA	First 7,000 of FUTA wages after the 1,000 quarter trigger, using the selected net rate.	Employer only.
State unemployment	User-entered rate multiplied by wages up to the entered state wage base.	Employer estimate.

Example: 52,000 in planned cash wages for an eligible unrelated adult nanny triggers FICA. Social Security uses 52,000 because it is below the wage base, Medicare uses the full 52,000, and FUTA uses only the first 7,000 if the quarter trigger is met. A 0.6 percent net FUTA rate produces 42 of FUTA before state unemployment is added.

Limitations and Privacy Notes:

The calculator is a 2026 planning worksheet and does not file payroll forms, register an employer, or determine every state requirement.
State unemployment, disability insurance, paid leave, local taxes, and workers compensation must be verified outside the federal estimate.
Employer-paid employee FICA can affect income-tax wage reporting; the estimate does not gross up federal income tax withholding.
Inputs are processed in the browser for the calculation shown on the page. Exports are generated from the values entered in the tool.

Worked Examples:

Weekly nanny payroll: A nanny paid 25 per hour for 40 hours over 52 weeks has 52,000 of planned wages. With weekly pay, the gross check is 1,000 before employee FICA or optional income tax withholding.

Employer pays employee FICA: When the household funds the employee Social Security and Medicare share instead of withholding it, the nanny's net check is higher, but the employer outlay and remittance reserve rise.

Federal-only estimate: Setting state unemployment to 0 produces a federal-focused view, but the warning remains because most households still need to confirm state payroll registration and wage-base rules.

FAQ:

Does the nanny pay FUTA?

No. FUTA is an employer tax and should not be withheld from the employee's wages.

Is federal income tax withholding required?

Household employers generally withhold federal income tax only if the employee asks and the employer agrees.

Why do worker categories change the result?

Publication 926 excludes certain family and under-18 worker situations from FICA or FUTA treatment. The selected category controls those eligibility checks.

Can this replace a payroll service?

No. Use it to understand the components and budget the reserve, then verify setup, filing, and state requirements through payroll or tax support.

Glossary:

Cash wages: Pay by cash, check, money order, transfer, or similar payment before withholding.
FICA: Social Security and Medicare taxes, split into employee and employer shares.
FUTA: Federal unemployment tax paid by the employer when the wage trigger applies.
Remittance reserve: Amount set aside for employer taxes plus employee taxes withheld or funded by the employer.
Schedule H: The federal household employment tax schedule attached to the individual income tax return when required.