ローン借り換え損益分岐点計算機

低金利への借り換え手数料を何ヶ月の返済額削減で回収できるかを正確に試算。

財務・投資
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ローン借り換え損益分岐点計算機

低金利への借り換え手数料を何ヶ月の返済額削減で回収できるかを正確に試算。

ナレッジハブ・技術ガイド

Mortgage Refinance Break Even Analysis & Net Savings

A Refinance Break Even Analysis calculates the exact number of months required for your new lower monthly payment to fully recoup the upfront closing costs of the new loan.

Refinancing resets your amortization schedule, which can sometimes cost you more in long term interest despite a lower monthly payment. This calculator runs strictly client side, meaning your loan balance and interest rate data are never exposed to third party lead generators.

コアアーキテクチャ & 計算式

Break Even Point (Months) = Total Closing Costs / Monthly Payment Savings

If closing costs are $4,000 and the new loan saves $200 per month, the break even point is 20 months. If you plan to sell the house before 20 months, refinancing results in a net financial loss.

ベストプラクティスとガイドライン

  • Negotiate Lender Fees: While third party fees (appraisals, title search) are often fixed, origination and underwriting fees are highly negotiable. Always shop multiple lenders.
  • Beware of Resetting the Term: Refinancing a 30 year mortgage into a new 30 year mortgage after paying it for 10 years means you are now financing the home for 40 total years, vastly increasing lifetime interest.
  • Consider 'No Closing Cost' Loans: Lenders often cover your closing costs in exchange for a slightly higher interest rate. This is highly advantageous if you only plan to stay in the home for a few years.

よくある質問 (FAQ)

What is a good break even timeline?
A break even period of 24 to 36 months is generally considered excellent. Anything beyond 60 months carries significant risk, as many homeowners sell or relocate within a 5 year window.
Should I roll closing costs into the new loan?
Rolling closing costs into the principal saves out of pocket cash but forces you to pay interest on those fees for the next 15 to 30 years, extending your true break even point.
Does refinancing hurt my credit score?
It causes a temporary minor drop due to the hard credit inquiry, but assuming you maintain timely payments, your score will recover within a few months.