Monthly Payment on a $100,000 Mortgage
Principal and interest only. Rates are the Freddie Mac Primary Mortgage Market Survey averages for October 22, 2026; your rate depends on credit score, down payment and lender.
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📅 Annual Loan Amortization Schedule
Year-by-year principal paydown, interest paid, and remaining balance
| Year | Opening Balance | Principal Paid | Interest Paid | Closing Balance |
|---|
$100K mortgage payment by interest rate
Monthly principal and interest on $100,000 for 15, 20 and 30-year fixed-rate loans.
| Rate | 15-year | 20-year | 30-year |
|---|---|---|---|
| 5.5% | $817 | $688 | $568 |
| 5.75% | $830 | $702 | $584 |
| 6% | $844 | $716 | $600 |
| 6.25% | $857 | $731 | $616 |
| 6.5% | $871 | $746 | $632 |
| 6.75% | $885 | $760 | $649 |
| 7% | $899 | $775 | $665 |
| 7.25% | $913 | $790 | $682 |
| 7.5% | $927 | $806 | $699 |
| 7.75% | $941 | $821 | $716 |
| 8% | $956 | $836 | $734 |
| 8.5% | $985 | $868 | $769 |
15-year vs 30-year: total cost of $100,000
| Cost | 15-year at 6.68% | 30-year at 7.32% |
|---|---|---|
| Monthly payment | $881 | $687 |
| Total interest | $58,586 | $147,295 |
| Total paid | $158,586 | $247,295 |
The 15-year loan costs $194 more each month but saves $88,709 in interest. On the 30-year loan, only $5,554 of principal is paid off in the first five years; the rest of the $41,216 you pay goes to interest.
Income and home price for a $100K mortgage
- Income needed: about $29,440/year so principal and interest stay under 28% of gross income (30-year at 7.32%).
- Home price with 20% down: $125,000 (down payment $25,000, no PMI).
- Home price with 10% down: $111,111 (down payment $11,111, PMI usually required).
- Home price with 3.5% down (FHA): $103,627.
Your full monthly housing cost (PITI) also includes property tax, homeowners insurance and any PMI or HOA dues. Your lender's Loan Estimate lists each of them.
Frequently asked questions
What is the monthly payment on a $100K mortgage?▼
At the October 22, 2026 average 30-year fixed rate of 7.32%, principal and interest on a $100,000 mortgage is $687 per month. On a 15-year loan at 6.68% it is $881 per month. Property tax, homeowners insurance, PMI and HOA dues are extra.
How much income do I need for a $100K mortgage?▼
Using the common 28% rule (housing payment no more than 28% of gross monthly income), you would need about $29,440 a year to cover the $687 principal-and-interest payment on a 30-year loan at 7.32%. Taxes and insurance push the real figure higher.
How much interest will I pay on a $100K mortgage?▼
Over 30 years at 7.32% you would pay $147,295 in interest. A 15-year loan at 6.68% cuts that to $58,586, saving $88,709.
What home price does a $100K mortgage buy?▼
With 20% down, a $100,000 loan buys a $125,000 home. With 10% down it is $111,111, and with 3.5% down (FHA minimum) about $103,627.