Budget PlannerBuild Your Monthly Budget
with the 50/30/20 Rule
Enter your income and expenses to see exactly where your money goes, whether you're on track, and how much you're actually saving.
Budget PlannerEnter your income and expenses to see exactly where your money goes, whether you're on track, and how much you're actually saving.
Your essential spending is within the 50% guideline.
Your discretionary spending has healthy room.
Close! Saving just $—/mo more would hit the 20% goal.
The 50/30/20 rule was popularized by Senator Elizabeth Warren in her book "All Your Worth." It's a guideline, not a rigid law — adjust for your situation. High cost-of-living cities may require more than 50% for needs.
The 50/30/20 rule is a simple framework for budgeting that divides your after-tax income into three categories: 50% for needs, 30% for wants, and 20% for savings and debt repayment. Popularized by Senator Elizabeth Warren in her book All Your Worth (2005), it's designed to be simple enough to actually use.
Needs are expenses you cannot avoid: rent or mortgage, utilities, groceries, health insurance, minimum debt payments, and essential transportation. The guideline is to keep these under 50% of take-home pay. If you're above 50% — common in high cost-of-living cities — you may need to look at reducing housing costs, refinancing debt, or increasing income before the other categories can work.
Wants are lifestyle choices: dining out, streaming subscriptions, clothing beyond the basics, vacations, hobbies, and entertainment. The 30% allocation is generous — most people who track spending closely discover their wants are far higher than they realized. Subscription creep (Netflix, Spotify, gym, apps) often costs $200–$400/month before you notice.
The 20% bucket covers retirement savings, emergency fund contributions, extra debt payments beyond minimums, and other financial goals. The order of operations recommended by most financial planners: (1) build a $1,000 emergency buffer, (2) capture any 401(k) employer match (it's an instant 50–100% return), (3) pay off high-interest debt, (4) fully fund a Roth IRA, (5) max the 401(k), (6) invest in a taxable brokerage account.
The 50/30/20 rule is a starting point, not a rigid law. If you're aggressively paying off debt, you might do 50/10/40. If you're in a HCOL city where 50% barely covers rent, you might live with 65/15/20 while working toward a higher income. What matters more than hitting exact percentages is knowing where your money goes and deliberately choosing how to allocate it.
The minimum is 10–15% to reach a traditional retirement at 65. To retire early (FIRE movement), aim for 30–50%. The math is stark: a 50% savings rate means you're saving as much as you spend, so you only need to work ~17 years before your portfolio can sustain your lifestyle indefinitely. A 10% savings rate requires ~40 working years.
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