Assumable loan calculator

Assumable loan calculator

See what inheriting a seller’s below-market rate is really worth. Compare an assumable VA, FHA, or USDA rate against today’s rate — per month and across the whole 30- or 15-year loan.

$341,274example lifetime savings — $400k at 6.90% vs. 3.00%, 30-year

The balance you would assume from the seller.

Loans from 2020–2022 often sit at 2.25%–4%.

Estimated savings over the loan
—
in total interest, over the life of the loan (30 years)
—
lower payment each month
—
saved over the first 5 years
—
payment at today’s rate
—
payment at the assumable rate
Total interest — today’s rate—
Total interest — assumable rate—

Illustrative and educational only — not an offer, quote, or commitment to lend, and not your actual terms. Figures estimate principal and interest on the amount assumed and exclude property taxes, homeowners insurance, PMI or the VA funding fee, closing costs, HOA dues, and any equity gap between the price and the loan balance. Assumptions are subject to servicer and agency approval and buyer qualification. Confirm every figure with a licensed lender before relying on it.

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How it works

How this assumable loan calculator works

It compares two fully-amortizing loans of the same balance and term — one at today’s market rate, one at the assumable rate a buyer inherits — then reports the gap.

  • Same balance, two rates. Both scenarios amortize the loan amount you enter over the term you pick. Only the interest rate changes.
  • Monthly difference. The lower assumable rate produces a smaller principal-and-interest payment. That gap is your monthly savings.
  • Lifetime interest. Multiply the monthly gap across every payment in the term to see total interest saved — often six figures on a 30-year loan.
  • 30 vs 15 year. A 15-year loan carries a higher payment but far less total interest; switch the term to compare both.
Worth knowing

The calculator shows principal and interest only. Two real-world costs sit outside it: the equity gap (the difference between the home price and the loan balance you assume, usually covered with cash or a second loan) and the usual escrow items — taxes, insurance, and any HOA dues.

How assumable loans work
Common questions

Assumable loan calculator questions

No. A creditworthy buyer does not need to be a service member or veteran to assume a VA loan. If a non-veteran assumes it, the seller’s VA entitlement generally stays tied to the loan until it is paid off, which can affect the seller’s future benefit. A lender can explain the trade-offs.
They are illustrative estimates for education only, not a quote. The calculator computes principal and interest and excludes taxes, insurance, PMI or the VA funding fee, closing costs, HOA dues, and the equity gap. Your real numbers depend on your qualification, the servicer, and current agency rules — confirm with a licensed lender.
The equity gap is the difference between the home’s price and the loan balance you assume. Because you inherit the seller’s remaining balance rather than financing the full price, you cover the difference — commonly with cash, a second mortgage, or seller financing.
VA, FHA, and USDA loans are generally assumable by a qualified buyer, subject to lender and agency approval. Most conventional loans are not. The below-market rates worth assuming were typically originated in 2020–2022.
No. Veteran Property Network is not a lender and does not make credit decisions. This tool is educational and is not an offer, commitment, or quote. Assumptions are subject to servicer and agency approval and buyer qualification.

More military home-buying tools:

BAH calculator VA loan limit calculator All resources

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