Before you read
Test yourself first: 1 question
Question 1 of 1
The gross rent multiplier (GRM) is calculated as:
Answer: A. GRM = price ÷ gross rent. It's a quick rule of thumb for small income properties.
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What you need to know
The Gross RENT Multiplier (GRM) uses MONTHLY rent: GRM = sale price ÷ monthly gross rent, so a $240,000 house renting for $1,600 has a GRM of 150; apply a neighborhood GRM to a subject's rent to estimate value. The Gross INCOME Multiplier (GIM) uses ANNUAL income for larger or commercial properties. Multipliers use GROSS figures — no expenses subtracted — which is both their speed and their weakness: two buildings with equal rents but different expense loads look identical to a GRM.
GRM & GIM — Quick-and-Dirty Multipliers: FAQs
Is GRM & GIM — Quick-and-Dirty Multipliers on the real estate exam?
Yes. Valuation & Appraisal is a scored domain on the real estate licensing exam, and this topic appears in the national portion.
Is this cheat sheet free?
Yes — every page on Cinna RE's resource library is free to read, print and share. The app adds practice questions, mock exams and a readiness score.

