Budget Calculator

Calculate your monthly personal budget breakdown across Needs (50%), Wants (30%), and Savings/Debt (20%) from your net take-home income.

Calculator Inputs

$
Total take-home cash after taxes.
$
Housing and utilities.
$
Essential sustenance and transit.

Calculated Results

Needs Budget Allowance (50%)
$2,500.00 / month
Wants Budget Allowance (30%) $1,500.00 / month
Savings & Investments (20%) $1,000.00 / month
Total Monthly Net Income $5,000.00 / month
Values calculate live as you adjust inputs.

About Budget Calculator

Applies Elizabeth Warren's 50/30/20 balanced personal finance rule to divide income into Needs, Wants, and Wealth-Building.

What is Budget Calculator?

Applies Elizabeth Warren's 50/30/20 balanced personal finance rule to divide income into Needs, Wants, and Wealth-Building.

How to Use This Calculator

  1. Enter total monthly net take-home pay.
  2. Enter current essential living expenses.
  3. Review recommended spending ceilings for essentials, discretionary desires, and wealth savings.

The Mathematical Formula & Variables

50% Needs, 30% Wants, 20% Savings & Extra Debt Repayment

Step-by-Step Worked Example

Scenario: $5,000 monthly take-home pay.

  1. Needs (50%) = $2,500 for rent, groceries, healthcare, insurance.
  2. Wants (30%) = $1,500 for dining out, shopping, travel, entertainment.
  3. Savings (20%) = $1,000 for emergency fund, 401(k), IRA investments.

Result: $2,500 Needs, $1,500 Wants, $1,000 Savings

Frequently Asked Questions

What qualifies as a "need" versus a "want"?

Needs are mandatory expenses for survival and baseline livelihood (housing, basic food, utilities, minimum debt payments). Wants are choices you could eliminate without endangering health or employment.