House Hack Calculator

    Calculate how much a rental unit offsets your mortgage so you can live nearly free while building equity.

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    Your Numbers

    $
    $
    For triplex/fourplex — leave 0 if not applicable.
    $
    10%Set aside 10-15% of rental income for repairs, turnover, and vacancies.
    0%25%
    5%Expected % of time rental units will be vacant.
    0%20%
    $
    $

    Your Results

    Your Net Housing Cost

    $1,070

    Monthly out-of-pocket after rental income offsets

    Partial offset — still beats renting

    Put Your Numbers to Work

    LendingTree

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    Rocket Mortgage

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    Mortgage Offset %

    % of your mortgage covered by rental income

    61.2%

    Annual Rental Income

    $18,360

    Monthly Cash Flow

    Positive = rental income exceeds all costs

    -$1,070

    Savings vs Pure Renting

    Extra monthly value vs renting somewhere else

    $730

    Effective Net Rental Income

    After vacancy and maintenance reserves

    $1,530

    Mortgage Rates & Lenders

    Compare today's rates from top lenders — free, no obligation.

    LendingTree

    Compare mortgage rates from top lenders

    Rocket Mortgage

    Fast online approval — close in days

    Credible

    Compare refi rates from multiple lenders

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