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  • Writer's pictureMac Tumacay

Exploring the Gross Rent Multiplier: A Guide to Comparing Property Values

The Gross Rent Multiplier (GRM) is a commonly used tool in real estate to compare the relative value of different properties. It's a simple calculation that provides a quick and easy way to determine the value of a rental property based on its rental income. In this blog, we'll explore how to use the GRM to compare properties and make informed investment decisions.

How to Calculate the Gross Rent Multiplier

The GRM is calculated by dividing the price of a property by its gross annual rental income. The formula is as follows:

GRM = Property Price / Gross Annual Rental Income

For example, if a property is priced at $500,000 and generates $30,000 in annual rental income, the GRM would be 16.67 (500,000 ÷ 30,000).

Using the Gross Rent Multiplier to Compare Properties

The GRM can be used to compare properties to see which one offers a better return on investment. A lower GRM typically indicates that a property is a better investment, as it suggests a higher return on investment. However, it's important to consider other factors such as location, condition, and potential for future growth when making a final decision.

Additionally, GRMs vary by market, so it's important to compare properties within the same market to get an accurate comparison. For example, a GRM of 10 in one market may be considered high in another market.

It's also important to keep in mind that the GRM is not a perfect indicator of a property's value, as it only considers the property's rental income and price. Other factors, such as operating expenses, potential for capital appreciation, and the overall real estate market, can also play a significant role in determining a property's value.


The GRM is a useful tool for real estate investors to compare the relative value of different properties. However, it's important to keep in mind that the GRM is just one of many factors to consider when evaluating a property's value. Location, condition, and potential for future growth are just a few of the many other factors to consider when making an informed investment decision.

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