Budget Calculator — 50/30/20 Rule
Enter your take-home income and see exactly how to split it into needs, wants, and savings using the proven 50/30/20 budgeting rule.
Your Budget Breakdown
Needs (50%)
Rent, groceries, utilities, transport, insurance, minimum debt payments
$2,000
Wants (30%)
Dining out, entertainment, subscriptions, shopping, hobbies
$1,200
Savings & Debt (20%)
Emergency fund, retirement, extra debt payments, investments
$800
Annual breakdown
Needs
$24,000/yr
Wants
$14,400/yr
Savings
$9,600/yr
Track your actual spending against this budget
PenniesTrack lets you set monthly budgets by category and get instant alerts when you're close to your limit — free.
Set Up My Budget — FreeFrequently Asked Questions
What is the 50/30/20 budget rule?
The 50/30/20 rule is a simple budgeting framework: spend 50% of your after-tax income on needs (rent, food, transport, utilities), 30% on wants (dining out, entertainment, hobbies), and save or invest 20% (emergency fund, retirement, debt payoff). It was popularized by Senator Elizabeth Warren in her book All Your Worth.
What are 'needs' vs 'wants' in the 50/30/20 rule?
Needs are expenses you can't avoid: rent, mortgage, groceries, utilities, health insurance, minimum debt payments, and basic transport. Wants are things you choose to spend on: dining out, Netflix, gym memberships, travel, new clothes beyond basics, and hobbies. The line isn't always clear — a cheaper phone is a need, the latest iPhone is a want.
What if I can't afford 50% for needs?
If your needs exceed 50% of income, you have two options: reduce needs (find cheaper housing, refinance loans, cut utilities) or increase income (side hustle, raise, second job). In high cost-of-living cities, 60-70% on needs is common. Adjust the ratio to fit your reality — the goal is awareness, not perfection.
Is the 50/30/20 rule right for everyone?
The 50/30/20 rule is a starting framework, not a rigid rule. It works well for average earners in moderate cost-of-living areas. High earners may be able to save 30-40%. People with high debt loads should prioritize debt repayment. The most important thing is having a budget you actually stick to.
Should I use gross or net income for the 50/30/20 rule?
Always use your net (take-home) income — the amount actually deposited into your bank account after taxes and deductions. Using gross income overstates what you have available. If your employer automatically deducts 401(k) contributions, those count toward your 20% savings bucket.