Budget Calculator

Free online Budget Calculator.

Calculator

How to Use

  1. Enter the required values
  2. Click Calculate to see the result
  3. Review the detailed output

Formula

50/30/20 Rule: Needs(50%) + Wants(30%) + Savings(20%) = Income(100%). Surplus = Income - Expenses. Housing <= 30% of gross income. Emergency fund: 3-6 months expenses.

Example Calculations

50/30/20 Rule

Input: Monthly income: $5,000

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

Expense Breakdown

Input: Income: $4,000, Rent: $1,200, Food: $500, Other: $1,800

Result: Surplus: $500, Housing ratio: 30%

Debt Payoff

Input: Income: $3,500, Expenses: $3,000, Debt: $5,000 at 18%

Result: $500/month payoff in 11 months

About This Calculator

Free online budget calculator. Calculate instantly in your browser with our easy-to-use tool. No sign-up required.

Our budget calculator is free, easy to use, and provides instant results. All calculations are performed in your browser for privacy and speed.

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Frequently Asked Questions

50/30/20 rule?

50% needs (rent, food), 30% wants (entertainment), 20% savings and debt repayment.

Create monthly budget?

List income, categorize fixed/variable expenses, subtract from income, allocate surplus to savings.

Emergency fund size?

3-6 months essential expenses. Start with $1,000, build gradually in high-yield savings.

Income percentage for housing?

Guideline: max 30% of gross income on housing including rent, insurance, utilities.

Budget for irregular expenses?

Annual total / 12 = monthly set-aside. Prevents surprises from disrupting budget.