Budget Calculator
Build a monthly budget across needs, wants, and savings, and compare your actual spending against the popular 50/30/20 budgeting rule.
Frequently Asked Questions
What is the 50/30/20 budgeting rule?
The 50/30/20 rule, popularized by Senator Elizabeth Warren, suggests allocating after-tax income as: 50% to needs (housing, utilities, groceries, minimum debt payments, insurance), 30% to wants (dining out, entertainment, shopping, travel), and 20% to savings and extra debt payoff. It is a simple starting framework, not a strict rule — high cost-of-living areas may need to flex the needs percentage higher.
What counts as a "need" versus a "want" in budgeting?
Needs are expenses required to live and work: rent/mortgage, utilities, groceries, minimum debt payments, insurance, and basic transportation. Wants are discretionary: dining out, entertainment subscriptions, hobbies, travel, and shopping beyond necessities. The distinction matters because wants are the easiest category to cut when you need to free up money for savings or debt payoff.
What if my needs are more than 50% of my income?
This is common in high-cost cities and is not a personal failure — it usually means the budget percentages need to flex, often to something like 60/20/20 or 65/15/20. The key is still ensuring some percentage goes to savings/debt payoff every month, even if it is less than the ideal 20%, and looking for ways to reduce the largest "needs" category (often housing) over time.
How much should I be saving each month?
A common target is 20% of take-home pay, split between an emergency fund (aim for 3–6 months of expenses), retirement contributions, and other goals. If 20% is not achievable yet, even 5%–10% builds the habit; many financial planners suggest increasing your savings rate by 1% every few months until you reach your target.
What is zero-based budgeting and how does it relate to the 50/30/20 rule?
Zero-based budgeting assigns every dollar of income a specific job (expenses, savings, debt) so that income minus all allocations equals zero — nothing is left unaccounted for. The 50/30/20 rule is one popular framework for deciding how to split that zero-based budget into broad categories; you can use 50/30/20 as the high-level targets and zero-based budgeting as the detailed line-item method underneath.