What is the monthly payment on a $800,000 mortgage at 5.5% for 30 years?
Answer
$4,542/month
Principal & interest onlyTotal interest over 30 years: $835,232Total cost: $1,635,232
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How We Calculated This
M = P × [r(1+r)^n] / [(1+r)^n - 1]
P=$800,000, r=5.5%/12=0.4583n=360. M = $4,542
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Calculated using verified formulas. Last updated March 2026.