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A budget calculator helps you plan how to allocate your income across spending categories. The most widely used framework is the 50/30/20 rule: 50% of after-tax income to needs, 30% to wants, and 20% to savings and debt repayment.

단계별 가이드

  1. 1Calculate your monthly after-tax (take-home) income
  2. 2List all monthly expenses by category
  3. 3Subtract total expenses from income to find surplus or deficit
  4. 4Compare your actual spending to the 50/30/20 benchmark
  5. 5Adjust categories to eliminate deficit or boost savings

풀어진 예시

입력
$5,000/month income, $3,800 expenses
결과
$1,200 monthly surplus
24% savings rate — above the 20% target
입력
$4,000/month income, $4,500 expenses
결과
−$500 monthly deficit
Need to cut spending or increase income

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