50/30/20 Budget Calculator
Senator Elizabeth Warren's simple-but-effective framework: 50% needs, 30% wants, 20% savings. Adjust the split to fit your life.
- • Rent or mortgage
- • Utilities
- • Groceries
- • Insurance (health, auto)
- • Transportation
- • Minimum debt payments
- • Dining out
- • Streaming subscriptions
- • Hobbies
- • Travel
- • Entertainment
- • Non-essential shopping
- • Emergency fund
- • Retirement (401k, IRA)
- • Brokerage / index funds
- • Extra debt principal
- • Big-purchase savings (car, home)
This calculator is for informational purposes only and does not constitute financial advice. Results are estimates based on inputs you provide. Consult a qualified financial advisor before making financial decisions.
The 50/30/20 rule is the simplest budgeting framework that survives contact with real life. Three categories, fixed percentages, no spreadsheets required. It works because the cognitive load is low — and people actually follow plans they can hold in their head.
How the 50/30/20 split works
50% of monthly take-home pay covers needs (housing, utilities, groceries, transportation, insurance, minimum debt payments). 30% covers wants (everything optional). 20% goes to savings and investment (emergency fund, retirement, brokerage, extra debt principal). Take-home means after-tax, after-401(k) — the dollars that hit your bank account.
When to use this calculator
Use it to set or sanity-check your budget. If your needs already consume 70%, you have a lifestyle-vs-income mismatch that no budget tool can fix — you need to either cut a major expense (housing is usually the biggest lever) or grow income. If you can hit 20% savings comfortably, push it to 25-30% — the higher your savings rate, the closer you are to financial independence.
Worked example
Monthly take-home of $5,000. 50/30/20 means $2,500 for needs, $1,500 for wants, $1,000 for savings. If your rent alone is $2,400, you're already over the needs target before utilities — adjust to 60/20/20 ($3,000/$1,000/$1,000) or seriously reconsider housing. Sustainable plans match real life.