Mortgage calculator

Mortgage on a $850,000 home

Monthly payment estimates at 3.5%, 10%, and 20% down — then customize with your rate, term, and state below.

Quick estimates — 30yr fixed at 6.48% (national avg, TX tax rate)

Payment by down payment

3.5% down ($29,750)

$7,281/mo

$1,042,301 total interest

PMI included

10% down ($85,000)

$6,900/mo

$972,095 total interest

PMI included

20% down ($170,000)

$5,918/mo

$864,084 total interest

Includes estimated property tax and homeowners insurance. Actual payment varies by state, credit score, and lender.

Qualifying income

Income needed to buy a $850,000 home

Lenders typically want housing costs under 28% of gross income. On a $850,000 home that works out to about $254,000 a year with 20% down, $296,000 with 10% down, and $312,000 with 3.5% down, assuming no other debts. Car payments, student loans and credit cards raise the number. Estimates use 6.48% on a 30-year loan and Texas property taxes.

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