Measure refinance readiness using LTV, DTI, savings, equity. Review affordability, breakeven timing, and cash-out room. Make clearer borrowing decisions with realistic qualification benchmarks today.
The page stays single-column, while the form fields resize to three columns on large screens, two on smaller screens, and one on mobile.
Illustrative values are shown below to demonstrate a strong modeled refinance file.
| Metric | Example Value |
|---|---|
| Property Value | $400,000 |
| Current Balance | $280,000 |
| Requested New Loan | $286,000 |
| Current Rate / Term | 7.50% / 28 years |
| New Rate / Term | 6.00% / 30 years |
| Monthly Income | $9,500 |
| Other Monthly Debts | $850 |
| Taxes + Insurance + HOA | $550 monthly |
| Credit Score | 742 |
| Closing Costs | $5,500 |
| Estimated LTV | 71.50% |
| Estimated Backend DTI | 31.73% |
| Estimated Monthly Savings | About $281 |
| Estimated Breakeven | About 20 months |
1) Monthly mortgage payment
Payment = P × [r(1 + r)n] ÷ [(1 + r)n − 1]
Where:
P = loan principal
r = monthly interest rate = annual rate ÷ 12
n = total monthly payments
2) Loan-to-value ratio
LTV = (Requested Loan ÷ Property Value) × 100
3) Backend debt-to-income ratio
DTI = [(New Housing Payment + Other Monthly Debts) ÷ Gross Monthly Income] × 100
4) Monthly savings
Monthly Savings = Current Housing Payment − New Housing Payment
5) Breakeven period
Breakeven Months = Closing Costs ÷ Monthly Savings
6) Maximum qualifying loan
The calculator estimates a DTI-based loan cap and an LTV-based loan cap, then uses the lower value as the modeled maximum qualifying loan.
It estimates refinance readiness using requested loan size, equity, debt-to-income ratio, credit score, reserves, payment change, and breakeven timing. It gives a modeled view of qualification strength, not a binding approval.
Many refinance files target backend DTI near 43%, though strong credit, reserves, and loan quality can sometimes support higher limits. This calculator adjusts the modeled DTI ceiling using credit score and reserve strength.
LTV measures how much of the home value is being borrowed. Lower LTV usually means stronger approval odds, better pricing, and more flexibility, while higher LTV raises lender risk and can restrict cash-out options.
No. A better rate helps payment affordability, but lenders still review income, liabilities, credit, occupancy, reserves, property value, and documentation quality. Approval depends on the whole file, not only rate improvement.
Breakeven shows how long monthly savings take to recover closing costs. A shorter breakeven usually makes the refinance more efficient, especially for borrowers who plan to keep the property and loan long enough.
Yes. Cash-out loans may still qualify if LTV, DTI, credit, reserves, and income remain acceptable. The payment can rise, but the file must still fit modeled qualification limits and lender cash-out policies.
Yes. The calculator adds monthly taxes, insurance, and HOA dues to principal and interest. That produces a more realistic housing payment and a more useful debt-to-income estimate.
No. This tool is educational and helps screen refinance strength. Actual approval depends on underwriting rules, appraisal results, document review, loan program overlays, and lender-specific pricing or eligibility requirements.
Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.