Family Budget Calculator
Calculate your monthly family budget, track household expenses, and see how much money you have left for savings and other goals.
Your household
A little context helps tailor the suggestions below. Everything stays on your device.
Monthly Income$0
Housing$0
Food$0
Transportation$0
Children$0
Health & Insurance$0
Debt$0
Just your regular monthly payments — no balances or interest rates needed here.
Technology & Subscriptions$0
Lifestyle & Other$0
Pets$0
Savings$0
What you're already setting aside each month.
Annual & Irregular Expenses
We convert yearly and irregular expenses into a monthly amount so you can see the true monthly cost of your household. Each one is automatically added to its matching category above.
Custom / Other Expenses$0
Add anything that doesn't fit the categories above.
Saved automatically in this browser — nothing is sent to a server.
Monthly Summary
Family Budget Health
0/100 — Needs AttentionAdd your monthly income above to see your Family Budget Health score.
A simple, friendly estimate based on your numbers — not professional financial advice.
What If?
Try a few realistic changes and see the effect instantly.
Add a groceries amount above to try this.
Add a restaurants amount above to try this.
Cut back on subscriptions
Increase household income
Try one of the scenarios above to see how it would change your monthly leftover.
What if we save more?
Additional monthly savings
What is a family budget calculator?
A family budget calculator is a tool that adds up everything your household earns each month and everything it spends, then shows you what's left over. Instead of guessing where your money goes, you get a clear monthly picture broken down by category, along with your savings rate and a simple budget health score, so you can see at a glance whether your budget is working for you.
How to create a family budget
Building a family budget comes down to four steps: total your household's monthly income from every source, list your regular monthly expenses by category, add anything that happens yearly or irregularly — like property tax or a vacation — converted to a monthly amount, and then compare the two totals. Whatever's left over is what you have available for savings, debt payoff, or discretionary spending. The calculator above walks through exactly these steps.
Monthly family budget categories
Most households can cover a complete budget with a handful of broad categories: housing, food, transportation, children (if applicable), health and insurance, debt payments, technology and subscriptions, lifestyle and personal spending, pets, and savings. Grouping expenses this way — rather than tracking dozens of individual purchases — makes it much easier to spot where your money is actually going without turning budgeting into a full-time job.
How much should a family spend each month?
There's no single right answer, since it depends heavily on income, location and family size. As a benchmark, the U.S. Bureau of Labor Statistics found that the average American household spent $78,535 in 2024 — about $6,545 per month — with housing and transportation together accounting for over half of that total. A useful general guideline, not a strict rule, is to keep total expenses comfortably below your monthly income, and to keep any single category — housing especially — from consuming so much of your budget that it crowds out savings.
Average family expenses in the U.S.
According to the BLS Consumer Expenditure Survey for 2024, the average U.S. household spent about $2,189 a month on housing (33.4% of total spending), $1,110 a month on transportation (17.0%), roughly $844 a month on food (12.9%), about $818 a month on insurance and pensions (12.5%), and around $517 a month on healthcare (7.9%). These are national averages, not targets — your own numbers will depend on where you live and your family's situation, but they're a useful reference point when checking your own budget above.
How much should a family save each month?
A commonly cited guideline is to aim for a savings rate of roughly 15-20% of household income, though this varies widely based on age, goals, and expenses like childcare or debt. The Needs/Wants/Savings breakdown above uses the same general idea — sometimes called the 50/30/20 rule — as a loose reference point, not a strict target. If your current savings rate is lower than that, the What If section can show you exactly how much a small, realistic change would add to your monthly savings.
Family budget example
Consider a household with $6,500 in combined monthly income. After $1,700 for housing, $850 for food, $600 for transportation, $400 for children's expenses, $300 for healthcare and insurance, and $350 for debt payments, total expenses come to $4,200 — leaving $2,300 left over each month. Putting $500 of that into savings still leaves $1,800 in additional breathing room, for a savings rate of roughly 12%. Enter your own numbers above to see the same breakdown for your household.
Common household expenses families forget
A few costs are easy to overlook because they don't arrive every month: property tax, annual insurance premiums, vehicle registration, home and car repairs, holiday and gift spending, and vacations. The Annual & Irregular Expenses section above converts each of these into a monthly amount, so they show up in your real monthly picture instead of quietly disappearing until the bill arrives.
How to improve your monthly budget
Small, realistic changes usually beat dramatic overhauls. Try the What If section above to see the real monthly and yearly impact of trimming a category like groceries or restaurants, cutting an unused subscription, or adding even a modest amount to savings each month — the numbers tend to add up faster than expected over a year.
Last updated August 2026. Calculations run entirely in your browser based on the numbers you enter; reference figures above are cited from the U.S. Bureau of Labor Statistics and are general benchmarks, not personalized financial advice.
A family budget is simply a plan for what your household earns and spends each month, broken into categories so you can see clearly whether your income covers your expenses — this calculator walks through that process step by step and shows your monthly leftover, a budget health score, and a few realistic "what if" scenarios along the way.
What is a family budget, and how do you actually build one?
A family budget adds up your household's income and its regular monthly expenses — housing, food, transportation, healthcare, debt and savings at minimum, plus categories like children's costs, subscriptions and general lifestyle spending for most households — so you can see where the money goes and whether anything is left over. Building one starts with entering your income, then working through each expense section one at a time; costs that only come up once or a few times a year, like property tax, insurance premiums or vehicle registration, get entered in a separate Annual & Irregular Expenses section and are automatically converted into their monthly equivalent so they're not forgotten.
How much should a family actually spend on housing, groceries and savings?
There's no single right number, since it depends heavily on income, location and family size — but a few widely cited benchmarks are useful as reference points. A common guideline caps housing costs around 30% of monthly income (the actual U.S. average runs closer to 33%), and 15-20% of income going to savings is a commonly cited target. According to the Bureau of Labor Statistics' 2024 Consumer Expenditure Survey, the average U.S. household spent about $6,545 per month in total, with housing (about $2,189) and transportation (about $1,110) as the two largest categories — groceries vary too much by household to have a single reliable benchmark, so tracking your own actual spending for a month or two is more useful than any national figure.
What is the 50/30/20 rule, and what's the difference between needs and wants?
The 50/30/20 rule is a general guideline suggesting roughly 50% of income go toward needs, 30% toward wants and 20% toward savings — a helpful starting reference rather than a strict formula every family has to follow. Needs are costs that are hard to avoid, like housing, groceries, transportation, healthcare and debt payments; wants are discretionary spending like dining out, entertainment, shopping and subscriptions. This calculator's Needs/Wants/Savings breakdown splits your entries this way automatically so you can see where you actually land against the guideline.
How do you handle irregular income, and what counts as disposable income?
For variable or freelance income, enter your typical or average monthly amount, and use the Other Income field for anything less predictable like bonuses — leaning slightly conservative helps avoid an overly optimistic budget. Take-home pay is usually the more useful basis than gross income, since it reflects money you actually have to spend; whichever you choose, just stay consistent across every income entry. Your disposable income — what this calculator shows as your monthly Money Left Over, or shortfall — is simply your total monthly income minus your total monthly expenses.
What if expenses are higher than income, or you need to cut costs quickly?
The calculator shows your monthly shortfall clearly alongside your biggest expense categories, so you know where to look first. The fastest, biggest wins for cutting costs are usually in flexible categories — restaurants, subscriptions, shopping — rather than fixed costs like rent, which are much harder to change quickly. The What If section lets you test a specific change, like trimming groceries or cutting a subscription, and see its real monthly and yearly impact before actually committing to it.
How do costs like insurance, debt, transportation and vacations fit into the budget?
Home and auto insurance go in their own sections (Housing and Transportation); health, life and other insurance go under Health & Insurance. Debt payments — credit cards, personal loans, student loans — get entered as just the monthly payment amount in the Debt section, since this is a budgeting tool rather than a full debt tracker. Transportation splits into car payment, fuel, insurance, public transportation and maintenance, while irregular annual costs like vehicle registration, vacations and insurance premiums paid once a year all belong in the Annual & Irregular Expenses section, which converts each one into its monthly share automatically. Anything that doesn't fit a standard category — a household-specific cost — can go in Custom Expenses with its own name and monthly amount.
Can you test different scenarios, and is your budget data kept private?
Yes to both. The What If section lets you try reducing a category, cutting a subscription or increasing income, and instantly shows the effect on your monthly leftover and annual savings without touching your saved budget. Every calculation runs directly in your browser, and your entries are saved only to your own device's local storage — never sent to or stored on a server — so refreshing the page or coming back later won't lose your work, and the Reset Budget button clears everything if you want to start over.
Is a family budget calculator accurate, and is the health score real financial advice?
The math itself is exact, but the results are only as accurate as the numbers you enter — treat it as a planning tool for understanding your monthly picture, not a substitute for reviewing your actual bank and card statements. The budget health score is a simple, friendly estimate based on common-sense factors like whether you have money left over and how much you're saving each month — it isn't professional financial advice, and a low score just means there's room to trim, not a verdict on your finances.
Where did the 50/30/20 budgeting rule actually come from?
It isn't an old piece of folk financial wisdom — it was popularized in 2005 by Elizabeth Warren, then a Harvard Law School bankruptcy expert (and later a U.S. senator), and her daughter Amelia Warren Tyagi, in their book "All Your Worth: The Ultimate Lifetime Money Plan." The two built the framework after studying why American families were increasingly falling into financial trouble despite rising incomes, and proposed the 50/30/20 split as a simple, memorable way for ordinary households to check their spending was roughly on track without tracking every category down to the last dollar — which is exactly the same shorthand this calculator's Needs/Wants/Savings breakdown is built around two decades later.
Is Family Budget Calculator free to use?
Yes. Family Budget Calculator is completely free, with no sign-up and no usage limits.
Do I need to install any software?
No. Family Budget Calculator runs directly in your web browser — nothing to download or install.
Is my data kept private?
Everything happens on your device. We never receive or store the file or text you enter into Family Budget Calculator.