Home Loan Pre-Approval Estimator
Prequalify for a mortgage before you apply. This estimator uses your income, debts and down payment to calculate your debt-to-income ratio and an estimated pre-approval amount.
Quick Answer
With a $95,000 household income, $500/month in debts, and $40,000 down, you'd likely prequalify for a loan up to $365,000 at a 36% back-end DTI ratio.
Your Financial Profile
Estimated Pre-Approval Amount
$365,000
Max Monthly Payment
$2,308
Front-End DTI
27.6%
Back-End DTI
33.9%
Qualification Outlook
Likely to Qualify
Your back-end DTI is within the typical 43% limit most lenders require for conventional loans.
Estimated Home Price Range
$405,000
Down Payment Percentage
9.9%
DTI Ratio Breakdown
Lenders typically look at two ratios: front-end DTI (housing costs only) and back-end DTI (housing plus all other monthly debts).
What Is a Home Loan Pre-Approval Estimator?
A home loan pre-approval estimator, sometimes called a mortgage prequalify tool, gives you a preview of how much you might be approved to borrow based on your income, existing debts, and down payment. Lenders use your debt-to-income (DTI) ratio, the percentage of your monthly income that goes toward debt, to decide how large a loan you can handle. This is not a formal pre-approval letter, but it helps you prequalify for a mortgage before speaking with a lender.
Understanding DTI Ratios for Mortgage Pre-Approval
| DTI Type | Typical Limit | What It Measures |
|---|---|---|
| Front-End DTI | 28% | Housing costs only |
| Back-End DTI | 43% | Housing plus all debts |
Limits vary by loan program and lender. Some allow back-end DTI up to 50% with compensating factors.
How to Use This Estimator
- Enter your annual household income.
- Enter your total monthly debt payments (car loans, credit cards, student loans).
- Enter the down payment you have available.
- Set your expected interest rate, term, and credit score range.
- Review your estimated pre-approval amount and DTI breakdown.
Frequently Asked Questions
Is pre-approval the same as prequalification?
Not quite. Prequalification is a quick estimate based on self-reported numbers, while formal pre-approval involves a lender verifying your income, credit, and assets with documentation.
What DTI ratio do I need for mortgage pre-approval?
Most lenders prefer a back-end DTI of 43% or lower, though some loan programs, including certain FHA and VA loans, allow higher ratios with strong compensating factors.
Does checking pre-approval affect my credit score?
This estimator does not check your credit at all, it's for planning purposes only. A formal mortgage pre-approval from a lender typically involves a hard credit inquiry.