How it works
The Loan Affordability by Income Calculator helps you determine how much you can borrow based on your income and existing debts. It uses the maximum debt-to-income (DTI) ratio to calculate your affordable monthly payment. For example, if your monthly income is $5,000 and your existing debts are $500, with a maximum DTI of 36%, your maximum allowable new payment would be calculated as follows: (5000 × 0.36) - 500 = $1,300. This means you can afford a maximum payment of $1,300 each month. Next, using the interest rate of 6% and a loan term of 5 years, the calculator applies the formula for the loan amount: PMT × ((1+r)^n − 1) / (r(1+r)^n). Here, PMT is your target payment, r is the monthly interest rate, and n is the number of payments. This allows you to find the total loan amount you can afford, along with the total cost and interest paid over the loan term.
Formula
Max new payment = (Income × Max DTI%) − Existing debt payments. Affordable loan = PMT × ((1+r)^n − 1) / (r(1+r)^n).
Tips
- Review your monthly expenses to ensure your existing debts are accurately calculated.
- Consider adjusting your target payment to see how it affects your loan affordability.
- Keep your DTI below 36% for better loan terms and interest rates.
- Shop around for different lenders to find the best interest rates available.
Frequently asked questions
- What is the maximum DTI ratio I should aim for?
- A maximum DTI ratio of 36% is generally recommended for most borrowers.
- How does my existing debt affect my loan affordability?
- Existing debts reduce your maximum allowable payment, thus lowering the loan amount you can afford.
- What happens if I increase my monthly income?
- Increasing your monthly income can raise your maximum payment limit, allowing you to afford a larger loan.
- How is the interest calculated on my loan?
- Interest is typically calculated based on the loan amount, the interest rate, and the loan term.