Jumbo Mortgage Calculator

Calculate jumbo loan payments above the $832,750 conforming limit. Compare to conventional rates.

By Konstantin Iakovlev · Updated September 2026 · Source: FHFA — Conforming Loan Limit Values for 2026

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Monthly Payment (Jumbo)

$6,653.02

Total Interest

$1,395,088.98

Jumbo Rate Premium Cost

$119,644.10

Jumbo vs Conforming

Home Price$1,200,000.00
Down Payment (16.7%)$200,000.00
2026 Conforming Limit$832,750.00
Jumbo Monthly Payment$6,653.02
Conforming Monthly Payment (at limit)$5,263.55
Jumbo Rate Premium (monthly)$332.34
Jumbo Premium Over 30 Years$119,644.10

Qualification

Front-End DTI (housing)31.9%
Back-End DTI (total)34.3%
Down Payment16.7% — meets typical 10% minimum
DTI StatusWithin typical 43% limit

Use the Jumbo Mortgage Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

How It Works

Loans that run past the 2026 conforming limit of $832,750 fall into jumbo territory, and this tool estimates the monthly payment on them. Jumbo financing tends to carry its own underwriting rules and rate structure, distinct from conventional mortgages, so projecting the payment accurately is what lets you budget for a high-value property and compare your options on equal footing.

Behind the estimate sits the standard amortization formula, M = P [ i(1 + i)^n ] / [ (1 + i)^n – 1], in which M is the monthly payment, P is the principal loan amount, i is the monthly interest rate, and n is the total number of payments. The calculator runs your loan amount, jumbo rate and term through it, then prices the same loan at the conforming rate you enter to show what the higher rate costs each month and over the term. It also shows the payment on a conforming loan at the $832,750 limit, your front-end and back-end debt-to-income ratios, and whether your down payment reaches 10% and your back-end ratio stays within 43%, the thresholds it treats as typical. Property taxes and insurance are not included.

Jumbo rates tend to swing more than conventional ones, since they answer to broader market conditions and each lender's own read on risk. Property taxes and homeowner's insurance can pile substantial sums onto the monthly total on an expensive home, so build them in from the start, and collect pre-approvals from several lenders to see how their jumbo terms stack up.

Example: A $1,000,000 Jumbo Loan

  1. 1 Input a $1,000,000 loan with $200,000 down (a $1,200,000 home, 16.7% down), a 7.0% jumbo rate, a 6.5% conforming rate for comparison, a 30-year term, $250,000 of annual income and $500 of other monthly debts. The two rates are the calculator's defaults, not market quotes; enter the ones lenders give you.
  2. 2 Jumbo payment: $1,000,000 at 7.0% over 360 months costs $6,653.02 a month in principal and interest, and $1,395,088.98 of interest over 30 years.
  3. 3 Jumbo premium: the same $1,000,000 at 6.5% would cost $6,320.68 a month, so the higher rate adds $332.34 a month, or $119,644.10 over 30 years. For reference, a loan at the $832,750 conforming limit at 6.5% costs $5,263.55 a month.
  4. 4 Qualification: monthly income is $20,833.33, so the front-end DTI is $6,653.02 / $20,833.33 = 31.9% and the back-end DTI, with the $500 of debts, is 34.3%, inside the 43% the calculator treats as typical. The 16.7% down payment clears its 10% minimum. Property taxes and insurance are not in these figures; add them before judging what you can afford.

Source: FHFA — Conforming Loan Limit Values for 2026 · Last updated: September 2026

Frequently Asked Questions

What is a jumbo mortgage in 2026?
A jumbo mortgage exceeds the 2026 conforming loan limit of $832,750 (or higher in designated high-cost areas up to $1,249,125). Jumbo loans are not backed by Fannie Mae or Freddie Mac, so lenders take on more risk and typically charge higher rates and require stronger borrower qualifications.
How much higher are jumbo mortgage rates?
The gap is often small and can run either way. In the Mortgage Bankers Association's weekly survey for the week ending September 11, 2026, the average 30-year fixed contract rate was 7.03% on jumbo balances (above $832,750) and 6.97% on conforming balances; a week earlier the jumbo average, 6.74%, was below the conforming 6.85%. Some lenders offer competitive jumbo rates to attract high-net-worth clients. Shopping multiple lenders is especially important for jumbo loans.
What do I need to qualify for a jumbo loan?
Typical jumbo requirements: credit score of 700+ (many require 720+), debt-to-income ratio below 43%, 10-20% down payment (some require 20-30%), significant cash reserves (6-12 months of payments), and thorough income documentation. Requirements are stricter than conforming loans.

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