50/30/20 Budget Calculator

Split your income into needs, wants and savings with the 50/30/20 rule.

100% client-side Instant results Free forever Nothing uploaded

About the 50/30/20 Budget Calculator

Enter your monthly after-tax income to get the classic 50/30/20 split — 50% needs, 30% wants, 20% savings and debt repayment — with clear examples of what belongs in each bucket, plus custom ratio support.

Popularized by Senator Elizabeth Warren, this rule is the simplest budgeting framework that actually sticks.

How to use the 50/30/20 Budget Calculator

  1. Enter your monthly after-tax income.
  2. Read the recommended amounts for needs, wants and savings.
  3. Adjust the ratios if your situation differs.

Common uses

Setting up a first budget Sanity-checking current spending Planning after a salary change

Frequently asked questions

What counts as a need vs a want?
Needs are unavoidable: housing, utilities, groceries, transport, minimum debt payments. Wants are dining out, subscriptions, hobbies and upgrades.
What if my needs exceed 50%?
Common in high-cost cities — reduce the wants share first and treat 20% savings as the priority to protect.

Related tools

Savings Goal Calculator

Find the monthly saving needed to hit any goal by a target date.

Finance Tools

Simple Interest Calculator

Calculate simple interest on loans and deposits with the formula shown.

Finance Tools

Debt Payoff Calculator

See how long paying off a debt takes and how extra payments help.

Finance Tools

Word Counter

Count words, characters, sentences, paragraphs and reading time in real time.

Text Tools