Ongoing costs
A nanny isn't a one-time purchase - it's a new line item you'll see every single month, indefinitely. So instead of measuring it against a one-time affordability threshold, this calculator weighs the monthly amount you enter against your income and whatever debt you're already carrying, to show how much breathing room it would actually leave.
These key factors affect nanny affordability
Income and expenses
It's not your income that matters here, it's what's left of it after rent or mortgage, debt payments, and everything else you're already committed to. That leftover pool is what a nanny's monthly cost actually has to fit inside.
Hours and structure
Full-time, live-out is the most common arrangement, and it costs more than part-time help almost by definition - more hours, more pay, regardless of the rate. A live-in nanny changes the math again: the cash wage is sometimes lower, but room and board are a real cost even when they don't show up as a line on the pay stub. Number of kids and hours needed both push the total up directly, so it's worth pricing your actual schedule rather than a generic figure.
Payroll taxes and benefits
Here's something a lot of families don't realize until it's already on their plate: pay a nanny above a modest annual threshold and the IRS treats you as a household employer, not just someone paying for a service. That means payroll taxes, wage statements, and sometimes unemployment insurance - the so-called "nanny tax" - stacked on top of the hourly rate you negotiated. It's a real cost, not a technicality, which is why the payroll taxes field below breaks it out separately rather than folding it into the wage.
Nanny vs. daycare
For one child, a nanny is usually the pricier option next to daycare. Add a second or third kid, though, and the comparison can flip - a nanny's rate typically doesn't double per additional child the way daycare tuition does, since one caregiver can watch multiple kids for close to the same wage.
How to use your results
Try a few different scenarios rather than a single guess:
- Full-time versus part-time hours, if your schedule has any flexibility.
- With payroll taxes and benefits included, not just the hourly rate.
- Against a comparable daycare cost, if that's also an option for your family.
Ways to make more room in your budget
- Check whether a dependent care FSA can offset part of the cost with pre-tax dollars.
- Consider a nanny share with another family to split the cost.
- Compare part-time or fewer hours against your actual schedule needs.
- Pay down high-interest debt first to free up recurring monthly room.
More family & kids calculators
Sources
Bureau of Labor Statistics (median income by age, shown in the sidebar), Experian (credit score by age, shown in the sidebar) - starting points to compare against, not real-time quotes.
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