CalculynWhat is the monthly payment on a $600k mortgage?
At a 6.5% interest rate on a 30-year fixed loan, a $600,000 mortgage costs about $3,792 a month in principal and interest. Property tax, insurance and PMI usually add more on top.
Monthly payment by rate
Principal and interest only. Example rates for 2026, not a quote.
| Rate | 30-year | 20-year | 15-year |
|---|---|---|---|
| 5.5% | $3,407 | $4,127 | $4,903 |
| 6% | $3,597 | $4,299 | $5,063 |
| 6.5% | $3,792 | $4,473 | $5,227 |
| 7% | $3,992 | $4,652 | $5,393 |
| 7.5% | $4,195 | $4,834 | $5,562 |
Total interest paid
| Rate | 30-year total interest | 15-year total interest |
|---|---|---|
| 5.5% | $626,424 | $282,450 |
| 6% | $695,029 | $311,365 |
| 6.5% | $765,267 | $340,796 |
| 7% | $837,053 | $370,735 |
| 7.5% | $910,303 | $401,173 |
Income needed
A common guideline keeps housing costs under 28% of gross monthly income. At 6.5% over 30 years, a $600,000 loan suggests an income of roughly $203,165 a year, assuming taxes and insurance add about 25% to the payment.
How it's calculated
Monthly payment = P × r ÷ (1 − (1 + r)^−n), where P is the loan amount, r the monthly rate (annual rate ÷ 12) and n the number of monthly payments.
Change the numbers →
Open the Mortgage Calculator with these values filled in.
These figures are educational estimates, not financial advice.
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