Split your monthly income into needs, wants and savings using the widely-used 50/30/20 rule — and see how it compares to what you actually spend.
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The 50/30/20 rule is a general guideline, popularized by Elizabeth Warren, not a strict formula. Adjust the percentages to fit your own cost of living and financial goals. This tool does not constitute financial advice.
The 50/30/20 rule was popularized by Elizabeth Warren and Amelia Warren Tyagi in their book "All Your Worth," and it remains one of the most widely recommended ways to structure a budget: roughly 50% of your after-tax income toward needs (rent, groceries, utilities, minimum debt payments), 30% toward wants (dining out, hobbies, subscriptions), and 20% toward savings and extra debt payoff. This planner splits your income accordingly, and lets you adjust the percentages if the default split doesn't fit your situation — if your rent alone eats more than 50% of your income, for example, a 60/20/20 or 60/25/15 split may be more realistic.
Turn on "Compare My Actual Spending" to enter what you're really spending in each category, and the tool will tell you whether your actual savings rate is keeping pace with your target, or falling behind it. The 50/30/20 rule is a general guideline, not a strict formula — it's meant to give you a starting structure you can adjust, not a rule to follow rigidly regardless of your circumstances. This tool does not constitute financial advice.
Needs are expenses you genuinely can't avoid: rent or mortgage, groceries, utilities, insurance, minimum debt payments, and transportation to work. Wants are things that improve your life but aren't essential: dining out, entertainment, subscriptions, hobbies, and vacations. The line isn't always obvious — a basic phone plan is a need, but the latest phone upgrade usually isn't.
This is common in expensive cities, and it's exactly why the sliders are adjustable. If needs genuinely can't fit into 50%, a more realistic split like 60/20/20 still gives you the same structure and discipline — the goal is having a plan, not hitting an exact percentage.
No — it's one popular framework among several (zero-based budgeting and the 70/20/10 rule are common alternatives). It's popular because it's simple: three categories, three percentages, no detailed expense tracking required. If it doesn't fit your situation, that's a sign to explore a different method, not a personal failing.