Free calculator
Gross rent multiplier (GRM) calculator
Divide a property’s price by a year of gross rent to get a quick multiple for comparing rentals. Lower is cheaper relative to the rent — the estimate is based on your own numbers.
The short answer
Last updated: July 2026
The gross rent multiplier (GRM) is a property’s price divided by its annual gross rent (monthly rent × 12). A $300,000 property renting for $2,500 a month — $30,000 a year — has a GRM of 10. A lower GRM means you pay less per dollar of rent. It’s a quick screen that ignores expenses, not a valuation.
After the estimate:
Self-management softwareGross rent multiplier
The GRM — price vs. the rent it produces.
Divide the price by a year of gross rent to get a quick multiple for comparing rentals. Lower means cheaper relative to the rent it brings in.
Property price
$
Monthly rent
$
Multiplied by 12 for the annual gross rent the GRM uses.
Input-driven result
Your inputs
Formula
Result below
Gross rent multiplier
11.2
$350,000 price ÷ $31,200 annual gross rent.
Annual gross rent
$31,200
Monthly rent $2,600 × 12.
Price and annual-rent view
Property price
$350,000
Annual gross rent
$31,200
A lower GRM means you pay less per dollar of rent. It's a fast first-glance screen — it ignores operating expenses, vacancy, and financing entirely, so a good GRM still needs a full analysis.
Estimate based on your inputs. Not a promise of results.
How it works
How this tool works.
The gross rent multiplier is the fastest back-of-envelope check in real estate: how many years of gross rent equal the purchase price. It won’t tell you whether a deal is good, but it tells you in seconds which listings are even worth a closer look.
Enter the price and the monthly rent, and this calculator estimates the GRM from a year of gross rent. It’s arithmetic on the figures you provide — a first-glance screen to sort properties, deliberately ignoring expenses so it stays quick.
Make the result useful
GRM screening context
Price is the acquisition or value figure being screened.
Gross annual rent is scheduled rent before operating expenses.
GRM intentionally excludes expenses, vacancy, and financing so it is only a fast first screen.
Compare like-for-like markets, condition, and property type.
Calculation lens
GRM = price ÷ gross annual rent
Use the output as a documented scenario result, not a guarantee.
It is not complete underwriting or a valuation conclusion.
Questions landlords ask
Questions about this tool and its limits.
Built by a landlord who's done every one of these jobs by hand.
Aptoria was built by an owner-operator managing a Brooklyn portfolio — the 11pm calls, the awkward rent texts, the April receipt-pile — not by a software team guessing at the problem.
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