Where do these numbers come from?
- Freddie MacPrimary Mortgage Market Survey: 30-yr fixed 7.32%, 15-yr 6.68%week of Oct 22, 2026
- U.S. Census BureauACS 5-year table B25103, property taxes paid by ZIP2020–2024 estimates
- U.S. Census BureauACS 5-year table B25077, median home value2020–2024 estimates
- CFPBWhen PMI must be removed (Homeowners Protection Act, 78% LTV)accessed Oct 23, 2026
- Insurance Information InstituteAverage homeowners (HO-3) premiumaccessed Oct 23, 2026
Checked Oct 23, 2026. $320,000 borrowed at 6.5% for 30 years: this calculator gives $2,022.62 a month in principal and interest, and =PMT(6.5%/12; 360; -320000) in LibreOffice Calc (the same PMT function as Excel and Google Sheets) returns 2,022.62. At this week's Freddie Mac average of 7.32% both give $2,198.18.
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$550,000 loan: monthly payment by rate
| Rate | 30-year | 15-year | Total interest (30y) |
|---|---|---|---|
| 5% | $2,952.52 | $4,349.36 | $512,907 |
| 5.5% | $3,122.84 | $4,493.96 | $574,222 |
| 6% | $3,297.53 | $4,641.21 | $637,110 |
| 6.5% | $3,476.37 | $4,791.09 | $701,495 |
| 7% | $3,659.16 | $4,943.56 | $767,299 |
| 7.5% | $3,845.68 | $5,098.57 | $834,445 |
| 8% | $4,035.71 | $5,256.09 | $902,854 |
Worked example
At 6.5% for 30 years, r = 6.5 ÷ 12 ÷ 100 = 0.0054167 and n = 360, so the payment is $3,476.37 a month and you would pay $701,495 in interest over the loan. A 15-year term raises the payment to $4,791.09 but cuts interest to $312,396, saving $389,098.
Buying a $550,000 house vs borrowing $550,000
If $550,000 is the price and you put 20% down, you borrow $440,000: $2,781.10 a month at 6.5% (30 years). Borrowing $550,000 with 20% down means a home price of about $687,500.
Under the traditional 28% guideline (housing cost ≤ 28% of gross income), a $3,476.37 principal-and-interest payment alone suggests a gross income of about $148,987 a year; taxes and insurance push that higher.
Rates in the tables are a range for comparison, not current market quotes. Payments are principal and interest only unless stated.
Related
Frequently asked questions
What is the monthly payment on a $550,000 mortgage?
$3,476.37 at 6.5% for 30 years, or $4,791.09 for 15 years (principal and interest).
How much interest on a $550,000 mortgage?
About $701,495 over 30 years at 6.5%.
What income do I need for a $550,000 mortgage?
Roughly $148,987+ a year under the 28% guideline, before taxes and insurance.