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Financial Tool

Borrowing Power Calculator

Calculate your maximum loan amount and borrowing capacity with our comprehensive mortgage eligibility calculator. Analyze debt-to-income ratios, loan affordability, and determine how much house you can afford based on your financial profile.

Last updated: December 15, 2024

Accurate loan eligibility assessment
Debt-to-income ratio analysis
Multiple loan program comparisons

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Borrowing Power Calculator
Calculate your maximum loan amount and borrowing capacity

Income & Debt Information

Car loans, credit cards, student loans

Lenders typically use 36% for conventional loans

Property & Loan Details

Your Borrowing Power

Max Loan Amount: $276,869

Max Purchase Price: $336,869

Affordability: Good

Monthly Payment: $1,517

Debt-to-Income Ratio

32.3%

Good

Loan-to-Value Ratio

80.0%

Conventional

Total Borrowing Power

$276,869

Maximum loan amount

Affordability Analysis

Monthly Income:$6,250
Maximum Housing Payment (28%):$1,750
Maximum Total Debt (36%):$2,250
Available for Loan:$1,750

Quick Example Result

$75K annual income with $500 monthly debts and $60K down payment:

Max Loan: $276,869

Affordability: Good | DTI: 32.3%

How This Calculator Works

Our borrowing power calculator uses industry-standard mortgage formulas and lending guidelines to determine your maximum loan eligibility. The analysis considers your income, existing debts, credit profile, andlending requirements to provide accurate borrowing capacity estimates.

The Lending Framework

Income Analysis

  • • Gross annual income calculation
  • • Monthly income conversion
  • • 28% housing payment rule
  • • 36% total debt rule

Debt Assessment

  • • Existing monthly debt obligations
  • • Debt-to-income ratio calculation
  • • Available payment capacity
  • • Risk assessment factors

Key Calculation Components

Maximum Loan Calculation

  • Available monthly payment capacity
  • Interest rate and loan term factors
  • Mortgage payment formula application
  • Down payment consideration

Affordability Metrics

  • Debt-to-income ratio analysis
  • Loan-to-value ratio calculation
  • Monthly payment affordability
  • Risk assessment scoring

Financial Formulas Used

Maximum Monthly Payment:
Max_Payment = (Monthly_Income × Max_DTI) - Existing_Debts

Based on lender's maximum debt-to-income ratio

Maximum Loan Amount:
Loan_Amount = Max_Payment × [(1 + r)^n - 1] / [r × (1 + r)^n]

Where r = monthly rate, n = total payments

Debt-to-Income Ratio:
DTI = (Housing_Payment + Other_Debts) / Monthly_Income × 100

Standard measure of loan affordability

Sources & References

  • Consumer Financial Protection Bureau (CFPB) - Mortgage Lending Guidelines and Consumer ProtectionOfficial mortgage lending regulations and best practices
  • Federal Housing Finance Agency (FHFA) - Conventional Loan Standards and RequirementsGovernment-sponsored enterprise lending guidelines
  • Federal Housing Administration (FHA) - FHA Loan Program Guidelines and RequirementsGovernment-backed mortgage insurance program rules

Example Calculation

Real-World Example
Let's analyze a typical mortgage application scenario

Applicant Profile:

  • Annual Income: $75,000
  • Monthly Debts: $500
  • Down Payment: $60,000
  • Property Value: $300,000
  • Credit Score: 750
  • Loan Term: 30 years
  • Interest Rate: 6.5%

Borrowing Analysis:

Maximum Loan Amount

$276,869

Monthly Payment

$1,517

Debt-to-Income Ratio

32.3%

Result: Good borrowing power with $276,869 maximum loan

This represents a 32.3% debt-to-income ratio, which is within conventional lending guidelines.

Frequently Asked Questions

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