Loan Types & Programs

Jumbo Mortgage Calculator

Estimate the payment on a jumbo loan — one above the conforming loan limit — with full amortization and total interest.

Free to use No sign-up needed Updates as you type

Inputs
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Estimates only. Adjust any value to recalculate instantly.

Results
Estimated monthly payment $6,003.15 $880,000 financed at 7.25%
Principal & interest $6,003.15
Total interest $1,281,134
Loan-to-value 80.0%
Above conforming? Yes — jumbo limit ~$832,750
Principal vs interest
Principal vs interest Principal: $880kInterest: $1.3M
  • Principal $880k
  • Interest $1.3M
Paid per year PrincipalInterest
Paid per year: Principal vs Interest $0$20k$40k$60k$80k Yr 1Yr 9Yr 17Yr 25

At $880,000 this exceeds the ~$832,750 conforming limit, so it is a jumbo loan — expect stricter credit requirements, larger cash reserves, and sometimes a different rate than a conforming loan.

Yearly amortizationView table
Jumbo Mortgage Calculator
YearPrincipalInterestBalance
1$8,517$63,521$871,483
2$9,156$62,882$862,327
3$9,842$62,196$852,485
4$10,580$61,458$841,906
5$11,373$60,665$830,533
6$12,225$59,813$818,308
7$13,141$58,896$805,167
8$14,127$57,911$791,040
9$15,185$56,852$775,855
10$16,324$55,714$759,531
11$17,547$54,491$741,984
12$18,863$53,175$723,121
13$20,277$51,761$702,845
14$21,796$50,241$681,048
15$23,430$48,608$657,618
16$25,187$46,851$632,432
17$27,074$44,963$605,357
18$29,104$42,934$576,253
19$31,285$40,752$544,968
20$33,631$38,407$511,337
21$36,151$35,886$475,186
22$38,861$33,176$436,324
23$41,774$30,264$394,550
24$44,906$27,132$349,644
25$48,272$23,766$301,373
26$51,890$20,148$249,483
27$55,780$16,258$193,703
28$59,961$12,077$133,742
29$64,455$7,582$69,287
30$69,287$2,751$0

Default interest rate: 7.25% — Optimal Blue jumbo 30-year average, Nov 5, 2026. Enter the rate from your own Loan Estimate.

How the jumbo mortgage calculator works

A jumbo mortgage is any loan that exceeds the conforming loan limit set each year by the Federal Housing Finance Agency. Because it is too large for Fannie Mae or Freddie Mac to buy, the lender holds more risk, so qualifying typically demands stronger credit, larger cash reserves, and sometimes a higher rate than a conforming loan.

Mechanically it amortizes like any fixed mortgage — there is nothing exotic about the math. This calculator runs the standard payment on the full balance and totals the interest, so you can see what carrying a larger loan actually costs over the term.

Worked example

Worked example: with home price of $1,100,000, down payment of $220,000 and interest rate of 7.25%, the jumbo mortgage calculator shows estimated monthly payment of $6,003.15.

Principal & interest
$6,003.15
Total interest
$1,281,134
Loan-to-value
80.0%
Above conforming?
Yes — jumbo
How it scales
How the jumbo mortgage calculator works
Home priceEstimated monthly payment
$900,000$4,638.80
$1,100,000$6,003.15
$1,400,000$8,049.68
$2,000,000$12,142.74

The formula

The monthly principal-and-interest payment uses the standard amortization formula on the full loan amount, with no special adjustment for jumbo status. Total interest equals the monthly payment times the number of payments, minus the original principal. Any rate premium a jumbo loan carries flows straight through the rate input.

How every calculator here computes, what it assumes and how the defaults stay current: our methodology.

Assumptions & limitations
  • The loan amount is assumed to exceed the current conforming limit; that threshold rises annually and is higher in costly counties.
  • A fixed rate is modeled, though many jumbo products are adjustable; the rate you enter should reflect any jumbo premium.
  • Stronger qualifying standards — higher credit scores, lower debt ratios, and months of reserves — are not checked by the estimate.
  • Total interest assumes the loan runs to term with no extra principal payments and no refinance along the way.
  • Property taxes, homeowners insurance, and HOA dues are excluded; on high-value homes these can be substantial and are added separately.

Reference data

Current figures behind this tool: 2026 Conforming Loan Limits.

Results are estimates for educational purposes and are not financial advice. Confirm exact figures with your lender or a licensed advisor.

Frequently asked

Questions about the jumbo mortgage calculator

What actually makes a mortgage "jumbo"?

Size relative to the conforming limit. Each year the FHFA sets the largest loan Fannie Mae and Freddie Mac will purchase, and anything above it is jumbo.

The limit is higher in expensive housing markets, so the same loan amount might be conforming in one county and jumbo in another. Nothing about the loan structure changes; only the dollar threshold defines the category.

Do jumbo loans always carry higher interest rates?

Not always. Because the lender keeps the loan rather than selling it, jumbo rates historically ran higher, but strong competition for well-qualified borrowers has narrowed that gap and occasionally reversed it. Your rate depends heavily on credit, down payment, and reserves.

A borrower with excellent finances may secure a jumbo rate close to or even below a comparable conforming quote.

Why do lenders require larger reserves on a jumbo loan?

Risk. A large loan that cannot be sold to Fannie or Freddie stays on the lender's books, so they want proof you can keep paying through a job loss or income gap.

Reserves — months of mortgage payments held in accessible accounts — show that cushion. Expect lenders to ask for more reserves, a lower debt-to-income ratio, and a heavier down payment than a conforming loan requires.

Is my information saved or shared?

No. Every calculation runs entirely in your browser. We never store, transmit or sell the numbers you enter.

What is a jumbo loan?

A jumbo loan exceeds the conforming limit for your county — $832,750 in most of the U.S. for 2026, and up to $1,249,125 in high-cost areas. Because Fannie Mae and Freddie Mac cannot buy it, lenders set their own, usually stricter, terms.

Do jumbo loans have higher rates?

Not necessarily — jumbo rates are often competitive with, and sometimes below, conforming rates. The bigger difference is qualifying: jumbos usually want a larger down payment, stronger credit and several months of cash reserves.

Sources

How the figures on this site are calculated and tested: methodology · editorial policy.