50/30/20 Budget Calculator
The 50/30/20 rule splits your take-home pay into three buckets: 50% for needs (rent, groceries, insurance), 30% for wants (dining, entertainment, subscriptions), and 20% for savings (retirement, emergency fund, investments). This calculator tracks your actual spending against each target and shows your 10-year wealth projection.
How the 50/30/20 Rule Works
The 50/30/20 framework was popularized in the book All Your Worth by Elizabeth Warren and Amelia Warren Tyagi. It provides a simple, memorable structure for balancing current lifestyle with long-term financial security. The math is straightforward: apply percentages to your monthly after-tax income.
Net Income × 0.30 = Wants Budget | Net Income × 0.20 = Savings Target
| Category | % | Examples |
|---|---|---|
| Needs | 50% | Rent/mortgage, utilities, groceries, insurance, minimum debt payments, childcare |
| Wants | 30% | Dining out, entertainment, streaming, gym, shopping, hobbies, travel |
| Savings | 20% | 401(k), IRA, emergency fund, brokerage investments, extra debt payoff |
Worked example: Monthly take-home pay = $5,000. Needs target = $2,500 (housing $1,400 + utilities $150 + groceries $350 + transportation $300 + insurance $300 = $2,500 ✓). Wants target = $1,500 (dining $250 + entertainment $150 + subscriptions $100 + shopping $200 + personal care $100 = $800 — under budget ✓). Savings = $1,000 (401k $500 + emergency $300 + investments $200 = $1,000 ✓).
💡 Budget Expert Insight
The Savings Rate Gap Most People Miss: The 50/30/20 rule's 20% savings is a great baseline — but it's not enough to retire early or build real wealth. At 20%, you need 37 years to retire. At 30%, 28 years. At 50%, only 17 years. The fastest path to higher savings: avoid lifestyle inflation as income rises. If you get a $1,000/month raise, put $800 into savings before you adjust your lifestyle. This "pay yourself first" approach means your savings rate automatically increases as income grows. After 5 years, you'll have a savings rate of 35–40% without ever feeling deprived — because you never adjusted to spending the raises.
Budget Calculator FAQ
What is the 50/30/20 rule?
The 50/30/20 rule divides after-tax income into three buckets: 50% for needs (rent, groceries, minimum debt payments), 30% for wants (dining, entertainment, subscriptions), and 20% for savings and investments. It's one of the most widely recommended personal budgeting frameworks.
Should I use gross or net income?
Use net (take-home) income after taxes. Taxes are unavoidable and not part of your discretionary budget. If you earn $80,000/year gross and take home $62,000, apply 50/30/20 to $62,000 ($5,167/month).
What counts as a 'need' vs. a 'want'?
Needs are required to live and work: rent, basic utilities, groceries (not restaurants), minimum debt payments, health insurance, basic transportation. Wants are chosen: dining out, streaming services, gym, vacations, entertainment. The distinction can be personal — focus on what you'd cut first in a financial emergency.
What if my needs exceed 50% of income?
In high cost-of-living cities, housing alone often takes 30–35%. Options: use the 60/30/10 rule as a starting point; reduce housing by moving or getting a roommate; or cut wants aggressively to make up the difference. The 50% is a guideline, not a law.
How does 50/30/20 compare to 70/20/10?
The 70/20/10 rule allocates 70% to all living expenses (needs + wants combined), 20% to savings, and 10% to debt or giving. It's simpler because it doesn't separate needs from wants. Best for people who find tracking categories too granular and just want a simple savings commitment.
50/30/20 Budget Calculator
Income & Budget Rule
📌 Needs (Fixed Expenses)
🎯 Wants (Discretionary)
💰 Savings & Debt
Budget Analysis
Based on your results — what to do next:
Turn your savings into a goal
You're saving $1,000/mo. Set a specific target — emergency fund, vacation, down payment — and see exactly when you'll hit it.
See what home you can afford
Based on your $6,000/mo take-home, find out the maximum home price your budget supports before talking to a lender.
Project your retirement savings
Your $1,000/mo in savings could grow to $165,797 in 10 years. See your full retirement outlook.