Income & Expense Planning Calculator - Plan Your Budget With DTI Ratio and Expense Breakdown
Income & Expense Planning Calculator
Income Sources (Before Tax)
Expense Categories
Financial Summary
| Category | Monthly Amount ($) | Annual Amount ($) |
|---|---|---|
| Total Gross Income | ||
| Total Net Income | ||
| Total Expenses | ||
| Net Cash Flow |
Debt-to-Income (DTI) Analysis
| Total DTI Ratio: | ||
| Front-End DTI Ratio: |
Expense Distribution
Detailed Expense Breakdown
| Expense Category | Monthly Amount ($) | Annual Amount ($) | % of Total |
|---|---|---|---|
| Housing & Utilities | |||
| Transportation | |||
| Daily Living Expenses | |||
| Food & Dining Out (Part of the living expense) | |||
| Debt Service & Loan Payments (Include mortgage and auto loan) | |||
| Healthcare & Medical | |||
| Education & Childcare | |||
| Savings & Investments | |||
| Lifestyle & Discretionary |
Key Financial Formulas Used
Net Income Calculation
Net Income = Gross Income × (1 - Tax Rate)
Your after-tax income is calculated by applying your effective tax rate to your total gross income from all sources.
Debt-to-Income Ratio (DTI)
Total DTI = (Total Monthly Debt Payments ÷ Gross Monthly Income) × 100
Includes all debt payments: mortgage, auto loans, credit cards, student loans, and other debt obligations.
Front-End DTI (Housing Ratio)
Front-End DTI = (Monthly Housing Costs ÷ Gross Monthly Income) × 100
Includes mortgage/rent, property taxes, insurance, and HOA fees.
Net Cash Flow
Net Cash Flow = Net Income - Total Expenses
Shows your monthly surplus or deficit after all expenses and savings.
Understanding Debt-to-Income Ratios
Debt-to-income ratio is a key financial metric used by lenders to assess your ability to manage monthly payments and repay debts. Here's what different DTI levels mean:
- 28% or less: Excellent DTI ratio - You have a healthy balance between debt and income
- 29-36%: Good DTI ratio - Manageable debt levels with room for improvement
- 37-49%: Fair DTI ratio - Consider reducing debt or increasing income
- 50% or higher: High DTI ratio - Take immediate action to reduce debt burden
The front-end DTI specifically looks at housing costs (mortgage, rent, property taxes, insurance) as a percentage of gross income. Lenders typically prefer this ratio to be 28% or lower.
How to Use This Budget Calculator
- Enter Your Income: Input all sources of income including salary, retirement benefits, investment income, and other sources
- Set Your Tax Rate: Enter your effective tax rate (combined federal, state, and local taxes)
- Input Your Expenses: Fill in all monthly expenses across different categories
- Review Results: Analyze your budget summary, DTI ratios, and expense distribution
- Make Adjustments: Use the insights to optimize your budget and financial planning
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