House Hacking
Calculator
Live in one unit, let the tenants carry the mortgage
Owner-occupied 2-4 unit math with FHA 3.5% down: tenant rent minus vacancy and maintenance offsets the payment, and lenders credit 75% of rents toward qualification.
See It In Action
Play with the calculator below. This is exactly what your visitors will see.
House Hacking Calculator
Live in one unit, rent the rest: see your true monthly housing cost
Your Effective Housing Cost
$2,531
The Hack
Full PITI Payment
$3,971
Effective Rental Income
$1,440
Savings vs Renting
-$331
Lender Income Credit
$1,200
Cash Needed
Down Payment
$17,500
Monthly Mortgage Insurance
$221
One Calculator, Five Personalities
Click a theme to transform this entire page. See how your calculators can match any brand identity in seconds.
Dream sequence ends in 15 seconds...
How It Works
Get your results in four simple steps
Enter the scenario
Fill in 11 plain-English inputs across 3 short sections. Sensible defaults get you a result immediately.
Read the verdict
Results update instantly: the headline figure, supporting stats, and clear pass/fail states where qualification applies.
Share or download
Send a live share link or download a branded PDF scenario report to keep the conversation going.
Why This Calculator
Purpose-built features that give you the insights you actually need.
Property & Loan
The multi-unit you would buy
Rental Income
What the other units rent for
Ownership Costs
Taxes, insurance, upkeep
How the House Hacking math works
Live in one unit, rent the rest: see your true monthly housing cost
Industry Standards We Follow
- FHA owner-occupied 2-4 unit eligibility
- 75% rental income credit toward qualification
Key Variables in Our Calculation
- downPaymentDown payment
- loanAmountLoan amount
- monthlyRateMonthly rate
- termMonthsTerm months
- monthlyPIMonthly P&I
- monthlyMIMortgage insurance (FHA MIP under 10% down, PMI under 20%)
- totalPITIFull monthly ownership payment
- rentedUnitsUnits producing rent (you live in one)
Expert Insights
Get the most out of your calculations with these professional tips
Start from the defaults
Defaults reflect current market conditions; change only what you know about your scenario.
Stress-test the result
Nudge the most uncertain input both directions to see how sturdy the conclusion is.
Put it on your site
Embed this investment calculator with your branding and capture the leads it generates.
Frequently Asked Questions
Everything you need to know about the House Hacking Calculator
Yes, if you live in one unit. FHA allows 3.5% down on owner-occupied 1-4 unit properties, and 75% of the other units’ rent counts toward your qualifying income.
Full PITI plus mortgage insurance, minus tenant rent after vacancy and maintenance reserves. It is what actually leaves your pocket each month.
Who Uses This Calculator
First-Time Investors
The gentlest entry into real estate: your tenants fund most of the payment.
Loan Officers
Show FHA multi-unit borrowers their real monthly cost and the rental income credit.
Related Calculators
Continue your financial journey with these complementary tools
Ready to Add This to Your Site?
Join thousands of mortgage professionals using MortgageMate calculators to convert more leads.