50/30/20 Budget Calculator
The 50/30/20 rule is a simple, proven budgeting framework popularized by Senator Elizabeth Warren in her book 'All Your Worth.' It divides your monthly after-tax income into three categories: 50% for needs (essentials like rent, utilities, and groceries), 30% for wants (discretionary spending like dining out and entertainment), and 20% for savings and debt repayment.
By automatically splitting your paycheck into these three buckets, you create a balanced financial plan without tracking every single expense. Enter your monthly take-home pay below to instantly see how much you should allocate to each category, helping you build long-term financial health while still enjoying your money today.
How it works
Needs = Income × 0.50 | Wants = Income × 0.30 | Savings = Income × 0.20. The three proportions always sum to 100% of after-tax income.
Use cases
- Planning a monthly household budget from a salary or freelance income
- Checking whether your current spending on essentials is within healthy bounds
- Setting savings targets aligned with a financial independence goal
- Helping a student or young professional build their first budget
- Comparing take-home pay across different currencies or job offers
Frequently asked questions
What is the 50/30/20 budget rule?
The 50/30/20 rule divides your monthly after-tax income into three buckets: 50% for needs (rent, utilities, groceries), 30% for wants (dining out, entertainment), and 20% for savings and debt repayment. It was popularized by Senator Elizabeth Warren in the book 'All Your Worth' as a simple way to budget without tracking every expense.
Is the 50/30/20 rule based on gross or net income?
It uses net (after-tax) income — your actual take-home pay after taxes and mandatory deductions. Using gross income would inflate all three buckets and make the plan unrealistic. If you have pre-tax retirement contributions deducted from your paycheck, you can count them toward the 20% savings share.
What counts as a need versus a want?
Needs are expenses you cannot reasonably avoid: housing, utilities, groceries, insurance, minimum debt payments, and essential transportation. Wants are discretionary: restaurants, streaming subscriptions, hobbies, travel, and upgrades beyond the basics. A quick test: if skipping the expense for a month would cause real hardship, it is a need.
How much should I save from a $3,000 monthly income using 50/30/20?
With $3,000 in monthly take-home pay, the rule allocates $1,500 to needs (50%), $900 to wants (30%), and $600 to savings and debt repayment (20%). Each bucket is simply the income multiplied by 0.50, 0.30, and 0.20 respectively.
Does the 50/30/20 rule work for low incomes?
It can be difficult when essentials consume more than half of income, which is common in high-cost cities or on lower salaries. In that case treat the percentages as a target rather than a rule — for example 60/25/15 — and shift back toward 50/30/20 as income grows. The key habit is keeping a fixed savings percentage, even if it starts small.