How to Calculate Mortgage Refinance
What is Mortgage Refinance?
A mortgage refinance calculator determines whether refinancing makes financial sense by comparing your current loan against a new one with different rates or terms. The key metric is the break-even point — the number of months it takes for monthly savings to recover the closing costs.
Step-by-Step Guide
- 1Enter your data
- 2System calculates
Worked Examples
Input
300k @ 4.5%, 25 years, refi @ 3.75%, closing 3000
Result
New payment: 1398 (saves 120/month), break-even: 25 months
Account for inflation
Common Mistakes to Avoid
- ✕Inaccurate inputs
- ✕Outdated assumptions
Frequently Asked Questions
What does this calculator do?
Enter your data
How do I use this calculator?
System calculates
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