Good Faith Estimate Comparison Calculator

How to Use This Tool

Follow these steps to compare two Good Faith Estimates:

1. Enter the lender name for each GFE in the labeled fields.
2. Input the loan amount, interest rate, and select the loan term (15, 20, or 30 years) for both estimates.
3. Add the total closing costs, discount points paid, and origination fees from each GFE.
4. Click the Calculate Comparison button to see detailed breakdowns for both options.
5. Use the Reset All button to clear all fields and start over.
6. Click Copy Results to Clipboard to save the comparison summary for your records.

Formula and Logic

This tool uses standard mortgage calculation formulas to generate accurate comparisons:

• Monthly Principal & Interest: Calculated using the standard amortization formula: M = P * (r(1+r)^n) / ((1+r)^n - 1), where P is the loan amount, r is the monthly interest rate (annual rate / 12), and n is the total number of monthly payments (term in years * 12).
• Total Points & Fees: Sum of discount points paid and origination fees for the loan.
• Total Loan Cost: Sum of total principal & interest paid over the loan term, plus total closing costs, plus total points & fees.
• Comparison metrics calculate the difference in total cost and monthly payment between the two GFEs to identify the more affordable option.

Practical Notes

Keep these finance-specific tips in mind when using this tool:

• Discount points are prepaid interest that reduce your interest rate: 1 point equals 1% of the loan amount. Calculate whether the long-term savings outweigh the upfront cost.
• Closing costs vary by lender and location: they typically include appraisal fees, title insurance, and escrow deposits. Always compare itemized closing cost breakdowns, not just totals.
• Interest rate type matters: this tool assumes fixed-rate loans. For adjustable-rate mortgages (ARMs), compare the initial fixed-rate period terms separately.
• APR (Annual Percentage Rate) includes interest plus fees, but this tool focuses on total out-of-pocket and long-term costs for easier side-by-side comparison.
• Loan term impacts total cost: shorter terms (15 years) have higher monthly payments but lower total interest paid over the life of the loan.

Why This Tool Is Useful

Good Faith Estimates can be dense and hard to compare at a glance, especially when lenders present information in different formats. This tool helps:

• Homebuyers evaluate offers from multiple lenders to save thousands over the life of a loan.
• Financial planners provide clear, data-backed recommendations to clients shopping for mortgages.
• Loan applicants identify hidden fees or unusually high closing costs that may not be obvious in a standard GFE.
• Anyone refinancing a mortgage compare new loan terms against their current mortgage costs.

Frequently Asked Questions

What is a Good Faith Estimate?

A Good Faith Estimate (GFE) is a document required by federal law that lenders must provide within three days of a mortgage application. It outlines the estimated terms, closing costs, and fees associated with a loan offer, allowing applicants to compare options across lenders.

How accurate are the calculations in this tool?

This tool uses standard mortgage amortization formulas and the exact values you input. Accuracy depends on the correctness of the data you enter from your GFEs. Always verify totals against your official lender documents.

Should I only choose the GFE with the lowest monthly payment?

Not necessarily. A lower monthly payment may come with higher total closing costs, discount points, or a longer loan term that increases total interest paid. This tool shows total long-term cost to help you make a balanced decision.

Additional Guidance

Use these tips to get the most out of your GFE comparison:

• Request itemized GFEs from all lenders to ensure you are comparing identical line items (e.g., make sure both estimates include or exclude the same fees).
• Consider your financial timeline: if you plan to sell the home in 5 years, a lower closing cost option may be better than a loan with points that pay off over 10 years.
• Negotiate with lenders: if one GFE has higher fees, ask the lender to match a competitor’s offer. Many lenders are willing to adjust closing costs or origination fees to win your business.
• Check for special programs: first-time homebuyer programs or veteran benefits may reduce closing costs or offer lower interest rates not reflected in standard GFEs.