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Mortgage Refinance Calculator

Educational calculators — always consult a licensed professional before making financial decisions.

Your refinance

01Your current loan

Balance, rate and months left are all on your latest mortgage statement. Use what you owe now, not the original loan amount.

What is your current loan balance?

Check your latest mortgage statement for your payoff balance.

$
$1K$10M
What is your current interest rate?

Found on your mortgage statement or closing documents.

%
0.1%20%
How many months are left on your loan?

A 30-year mortgage taken 5 years ago has ~300 months remaining.

Tap to edit
mo
12360
02The new loan

Use a rate you have actually been quoted. A fresh 30-year term can lower the payment while raising total interest.

What new interest rate are you targeting?

Current 30-yr fixed average is around 6.5–7%.

%
0.1%20%
What new loan term are you considering?

A shorter term builds equity faster but increases monthly payments.

Maximizes monthly savings on payment. Best if cash flow is the priority over interest savings.

03Closing costs

The total from the lender’s Loan Estimate — origination, appraisal, title and recording. It sets how many months of savings it takes to break even.

$
$0$100K

1.8% of your current balance

Monthly savings

+$300

Break-even in 17 months

Current payment$2,024
New payment$1,724
Current total interest$327,158
New total interest$340,643

Current Loan vs. Refinanced

Current LoanRefinanced

Net lifetime analysis

Interest saved-$13,485
Minus closing costs−$5,000
Net savings-$18,485

Based on

Current balance$280,000
Months remaining300
Current rate7.25%
New rate / term6.25% / 30yr
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Email me the detailed report

A full PDF breakdown of these numbers — yours to keep or hand to a contractor.

Refinance estimates are for educational purposes only. Actual rates, closing costs, and terms vary by lender. Consult a licensed mortgage professional.

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From the blog

Mortgage Refinance Calculator is built and maintained by the RealCostIQ editorial team. Cost ranges and rates are checked against published industry data and contractor quotes, and revised when the underlying figures move. Read our data methodology or more about who builds this. Every calculation runs in your browser — no account, and none of your inputs are stored.

Cost ranges and rates here are checked against contractor quotes and published industry data. If a number still looks off, email Support@RealCostIQ.com and we'll review and fix it.