Mortgage Calculator US US – Free Calculator
Mortgage Calculator US - Calculate Monthly Mortgage Payment
Last updated: Sep 14, 2026 | 2M Americans search mortgage calculator monthly | Source: Freddie Mac, mortgage rates
Mortgage calculator shows monthly payment for US home loan. Example: $500K loan at 7% for 30 years = $3,326/month. Total interest $697K, total payment $1.19M.
Mortgage Formula US
M = P × r × (1+r)^n / [(1+r)^n -1] where P=loan amount (price - down), r=monthly rate, n=months
Example: Price $500K, down $100K, loan $400K, rate 7%, 30y: P=$400K, r=7%/12=0.00583, n=360: M = $400K ×0.00583×(1.00583)^360 / [(1.00583)^360 -1] = $2,661/month. Plus taxes, insurance, PMI if <20% down.
FAQ
How much is mortgage for $500K loan at 7% for 30 years?
$500K at 7% for 30y = $3,326/month. Total interest $697K, total $1.19M.
How much down payment for $500K home?
20% down = $100K to avoid PMI (Private Mortgage Insurance). 3-5% down possible with FHA, conventional with PMI.
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