Monthly Budget Calculator
Are you spending more than you earn?
Budget Health Calculator
50/30/20 Analysis · Savings Rate · Category Breakdown · Projections
Results update in real time as you adjust any input.
After taxes — the amount you actually receive each month.
Needs — Essential Expenses
Wants — Discretionary Spending
Savings & Goals
Results are estimates only and do not constitute financial, tax, or legal advice. Consult a qualified professional before making financial decisions.
Related Calculators
Rich Income Threshold Calculator
How much do you need to earn to be considered rich?
Cost-of-Living Adjusted Salary Calculator
What is your salary actually worth in purchasing power?
Smart Daily Planner
How should you structure your day?
Salary to Hourly Calculator
What is your real hourly rate?
Salary Per Minute Calculator
How much do you earn every minute you work?
Household Financial Balance Calculator
Is your household income covering what it should?
Get this result by email
We'll send you this summary so you can revisit it anytime — useful when making a final decision.
🔒 We'll only send your result. No spam, no noise.
Most people have no idea where their money actually goes. They earn a good income, pay their bills, spend on things they want, and find themselves with nothing left at the end of the month. Not because they're irresponsible — but because they've never laid it all out in one place and done the math. This calculator does that. Enter your monthly take-home income and every expense category — housing, transportation, food, utilities, insurance, healthcare, debt payments, savings, entertainment, clothing, and more. You'll see total expenses against income, your remaining surplus or deficit, and what percentage of income goes to each category. More useful than the total: the 50/30/20 breakdown. Every expense is categorized as a need (essential), want (discretionary), or savings. You'll see what percentage falls into each bucket and how it compares to the 50/30/20 guideline — 50% needs, 30% wants, 20% savings. Most people discover they have a $300–$800 monthly surplus they're not aware of — money disappearing into small, untracked expenses. Others find a hidden deficit being masked by credit card balances. Either way, knowing is the only path to changing it.
- ·Uses take-home (after-tax) income, not gross salary
- ·The 50/30/20 rule is a guideline — high cost-of-living areas often require more than 50% on needs
- ·Pre-tax 401(k) contributions are counted as savings even though they reduce take-home pay — enter them explicitly
- ·Expense categories are suggestions — customize to match your actual spending
Surplus/Deficit = Monthly take-home income – Total monthly expenses 50/30/20 percentages: · Needs % = Sum of essential expenses ÷ Take-home income × 100 · Wants % = Sum of discretionary expenses ÷ Take-home income × 100 · Savings % = Sum of savings and extra debt payments ÷ Take-home income × 100 Needs include: rent/mortgage, utilities, groceries, minimum debt payments, basic transport, health insurance. Wants include: dining out, streaming, gym, entertainment, clothing beyond basics, travel. Savings include: emergency fund, retirement contributions, investments, extra debt payments above minimums.
- →Building a budget from scratch — enter what you actually spend, not what you wish you spent
- →After a major life change — new job, new city, new rent, new family member
- →When you feel financially stuck despite a decent income — find where the money is leaking
- →Planning a savings goal — see how much is actually left over each month
- →Deciding whether you can afford a new expense — see the real impact
Example 1: $5,400/month take-home — finding the leak
Inputs: Income: $5,400 · Rent: $1,450 · Groceries: $320 · Utilities: $180 · Transport: $240 · Dining out: $420 · Subscriptions: $95 · Entertainment: $180 · Clothing: $150 · Savings: $300 · Student loan: $280
Result: Total expenses: $3,615 · Surplus: $1,785 · Needs: 46% · Wants: 20% · Savings: 6% · Unaccounted: $1,785
The $1,785 'surplus' isn't being saved — it's disappearing into untracked small expenses. The savings rate is 6% when it should be 20%. The fix starts with finding what the $1,785 is actually buying.
Example 2: Deficit situation — where to cut
Inputs: Income: $4,200 · Rent: $1,600 · Car payment: $380 · Car insurance: $140 · Groceries: $350 · Utilities: $160 · Dining: $400 · Subscriptions: $120 · Entertainment: $200 · Minimum payments: $250 · Savings: $200
Result: Total expenses: $3,800 · Surplus: $400 · Needs: 69% (vs 50% target) · Wants: 24% · Savings: 5%
Housing + car absorb 50% of income alone — before any other bills. With needs at 69%, there's no path to the 20% savings target without restructuring the fixed costs. The car payment is the highest-leverage item to address.
- ✕Entering what you plan to spend rather than what you actually spend — the budget lies to itself
- ✕Forgetting irregular expenses like car registration, annual subscriptions, or holiday gifts — divide annual costs by 12 and include monthly
- ✕Not including minimum debt payments as fixed expenses — they're as non-negotiable as rent
- ✕Treating take-home pay as gross salary — budget from what hits your bank account
- ✕Skipping the savings line when money is tight — automate savings first, budget from what remains
How do I know if I'm spending too much?
If your expenses equal or exceed your income — even after cutting obvious luxuries — you're overspending. The first step is categorizing spending into fixed (rent, loan payments) vs. variable (food, entertainment). Fixed costs above 50% of take-home are the biggest warning sign because they're hard to cut quickly.
What's the first expense category I should cut?
Start with subscriptions and recurring charges — they're easy to cancel and add up faster than people expect. The average household has 7–12 active subscriptions they've forgotten about. After that, target dining and food delivery, which are often 2–3x what people estimate when budgeting by memory.
Should I track every single purchase?
Not necessarily — tracking at the category level (groceries, transport, dining) is usually enough and far more sustainable than itemizing every transaction. The goal is pattern recognition, not accounting perfection. If you can't figure out where money is going even with category tracking, then daily tracking for 30 days can reveal the leak.
How do I handle irregular income?
Build your budget around your lowest expected monthly income. When you earn more, allocate the extra deliberately: a common approach is 50% to savings/debt, 25% to a buffer fund, 25% discretionary. This prevents lifestyle creep during high-income months and maintains discipline when income dips.
I have a surplus but I'm still not saving. Why?
Lifestyle creep is the most common culprit — as income rises, spending rises to match it, often in small increments that go unnoticed. The fix is automation: set up automatic transfers to savings on payday before you see the money. Studies show automated savers accumulate 2–3x more than people who save 'what's left over' at month end.