sfrcalc.com

Rent vs. Buy Calculator

Model both paths side by side — home equity and appreciation against an invested down payment and rent growth — to find which one wins, and when.
Home purchase
$
$
%
%
yrs
Cost of owning
$
$
$
%/yr
%/yr
%
Renting instead
$
%/yr
Assumptions
%/yr
yrs
Buying wins by
$0
Buyer net worth
$0
Renter net worth
$0
Breakeven year
—
Year-1 monthly cost, buy vs rent
$0 / $0
Home value at horizon
Remaining loan balance
Selling costs
Buyer net worth at horizon
Down payment + closing (invested at t=0)
Growth of invested differences
Renter net worth at horizon
Buyer net worth is home value minus remaining loan balance minus selling costs. Renter net worth starts with the down payment and closing costs invested on day one, then grows every year by whichever side spent less that year — if buying costs more than renting in a given year, the renter invests the difference; if renting costs more, that amount comes out of the renter's account. Both a real, honest way to compare — but small changes in appreciation and investment return can flip the result, so treat this as directional.
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