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Gross Rent Multiplier Calculator

Screen a rental property in seconds. See its Gross Rent Multiplier alongside cap rate, net operating income, cash flow, cash-on-cash return, and how the price compares to your market GRM.

For estimation purposes only. GRM = Purchase Price ÷ Gross Annual Rent. A lower GRM generally means a quicker gross-rent payback. Always verify with a full analysis.
1 Property & purchase
units
sqft
2 Rental income
Combined rent for all units, per month.
%
0%10%20%
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3×9×15×
3 Expenses, financing & projections
% EGI
%
%
yrs
Set down payment to 100% for an all-cash purchase.
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%
yrs
Gross Rent Multiplier
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Enter your details and click Calculate
Investment highlights
Gross Rent Multiplier —
Cap rate —
Net operating income —
Annual cash flow —
Cash-on-cash return —
Value at market GRM —
Operating expenses (annual)
Calculate to see breakdown
Property snapshot
Property type—
Purchase price—
Units—
Price / unit—
Price / sqft—
1% rule—
Income analysis
Gross annual rent—
Other income /yr—
Gross scheduled income—
Less vacancy—
Effective gross income—
Return analysis
Operating expenses /yr—
Expense ratio—
Net operating income—
Cap rate—
Gross Rent Multiplier—
Gross rent yield—
Financing & cash flow
Loan amount—
Cash invested (down)—
Monthly P&I—
Annual debt service—
Annual cash flow—
Monthly cash flow—
Cash-on-cash return—
DSCR—
Market comparison
This property's GRM—
Market GRM benchmark—
Implied value @ market GRM—
Value vs. price—
Verdict—
Visualizations
Property value over time
Gross income allocation
Disclosure: This calculator provides estimates for informational purposes only and does not constitute financial or investment advice. Gross Rent Multiplier is a screening metric that ignores vacancy, expenses, and financing — always pair it with cap rate, cash flow, and a full underwriting review. Consult a qualified professional before purchasing.