— Budgeting
Family Budget Calculator
Build a household budget from income, family size, city, and a chosen framework such as 50/30/20. Get recommended category allocations, then add actual spending to see where you are over or under the guideline.
Recommended monthly savings
$20,000
- Needs (recommended)
- $50,000
- Wants (recommended)
- $30,000
- Savings (recommended)
- $20,000
- Recommended per child
- $5,769
Try: Recommendation only, vs your actual spending, Metro, high-cost framework, Zero-based, assign every dollar, Heavy-EMI debt payoff, With irregular annual costs
— The household budget sheet
| Category | Recommended | % of income |
|---|---|---|
| Housing | $16,154 | 16.15% |
| Food & groceries | $9,231 | 9.23% |
| Transport | $5,385 | 5.38% |
| Utilities & bills | $3,846 | 3.85% |
| Insurance | $2,308 | 2.31% |
| Debt payments | $3,846 | 3.85% |
| Childcare & education | $9,231 | 9.23% |
| Wants & lifestyle | $30,000 | 30% |
| Savings & investments | $20,000 | 20% |
| Total | $100,000 | 100% |
— Needs / wants / savings
| Bucket | Recommended % | Recommended |
|---|---|---|
| Needs | 50% | $50,000 |
| Wants | 30% | $30,000 |
| Savings | 20% | $20,000 |
— Recommended vs actual
Download— How it works
The framework sets the needs/wants/savings split; that’s distributed across categories by standard weights, adjusted for children and city tier. Recommended per category = income × the category’s share. Delta = your actual − the recommendation.
A budget built for your family
Generic budget advice ignores that a family of four in a metro has very different needs from a single earner in a small town. This calculator adapts. It starts with a framework — the familiar 50/30/20 split, or a high-cost 60/20/20, or your own custom percentages — then distributes each bucket across real categories using sensible weights, and adjusts for your children and city tier. The result is a complete recommended budget in actual currency, every category sized to your income and circumstances. It works the moment you enter your income; everything else only sharpens it.
Worked example — $100,000 income, two children, 50/30/20: Recommended: ~$16,000 housing, ~$9,000 food, $20,000 savings, $30,000 for wants, and so on. With two kids, the food and childcare shares rise automatically — the budget reflects a real household.
The deltas are the point
A recommendation is useful; comparing it to reality is transformative. Enter what you actually spend in each category and the budget sheet adds two columns — your actual, and the delta against the guideline. Suddenly the problems are obvious: housing $9,000 over the recommendation, savings $10,000 under. The over/under chart ranks the gaps so you see at a glance which categories to attack first, and the needs/wants/savings summary shows whether your overall shape matches the framework. This is the difference between knowing you should budget and knowing exactly where you’re off.
Frameworks, goals and honest limits
No single split fits everyone. The 50/30/20 rule is a sound default, but a costly city may force 60/20/20, and a custom split lets you set your own percentages. Zero-based budgeting takes a different philosophy — every dollar gets a job until nothing is left unassigned; the calculator shows the unallocated amount so you can drive it to zero. If you have a specific savings target, enter it and the rest of the budget rebalances around it, the saving treated as non-negotiable. Two honest caveats: the category weights are guidelines, not gospel — a family with no car needs nothing for transport — so treat the recommendation as a starting point to adjust, not a verdict. Not financial advice; the right budget is the one you’ll actually keep.
Debt, irregular costs and the printable sheet
Two extras make the budget match real life. Heavy-EMI mode re-weights the recommendation toward debt payments — useful when clearing loans is the priority and you want the sheet to reflect that rather than a textbook split. And irregular annual costs — insurance premiums, festivals, a holiday, the boiler that dies once a decade — are the classic budget-breakers because they don’t show up in a normal month; enter the yearly total and the calculator amortises it into a monthly line (a twelfth of the total) so the money is quietly set aside before it’s needed. When the sheet looks right, add your family name and print it: the budget sheet titles itself “The [name] Family Monthly Budget”, a broadsheet artifact you can stick on the fridge.
— Reader questions
How should a family budget their income?
A common starting point is the 50/30/20 rule — 50% to needs, 30% to wants, 20% to savings — distributed across categories like housing, food and transport, and adjusted for children and where you live. This calculator builds that allocation from your income automatically.
How much should I spend on housing?
Broadly 25–30% of income, more in an expensive metro. The calculator sets a recommended housing figure based on your framework and city tier, and — if you enter your actual rent or EMI — shows how far over or under the guideline you are.
What is the difference between this and the Cash Flow calculator?
Cash Flow is descriptive — it records what you earn and spend and shows the result. This is prescriptive — it recommends what you should allocate to each category, then compares your actuals against that guideline. Use them together.
How do children change the budget?
Each child raises the recommended food and childcare/education shares, so the allocation reflects the real cost of a family. The calculator also shows a recommended cost per child, drawn from those categories.
Can I set my own percentages?
Yes — choose the Custom framework and set your own needs, wants and savings percentages. You can also fix a specific savings amount, and the rest of the budget rebalances around it.
What is zero-based budgeting?
It’s a method where every dollar of income is assigned a job — to a category or to savings — until nothing is left unallocated. Choose the zero-based framework and the calculator shows your unallocated amount; the goal is to drive it to zero, so income minus everything you’ve assigned equals nothing left adrift.
How do I budget for irregular annual expenses?
Add up the yearly one-offs — insurance, festivals, holidays, big repairs — and enter the total in “irregular annual costs”. The calculator divides it by twelve and adds a monthly line, so you set the money aside gradually instead of being ambushed when the bills land.