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Finance Calculators

Gross Rent Multiplier Calculator

Calculate the gross rent multiplier (GRM) — a property's price divided by its annual gross rental income.

Gross rent multiplier
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About the Gross Rent Multiplier Calculator

The gross rent multiplier is a quick screening tool for comparing rental properties — it shows how many years of gross rental income it would take to equal the purchase price, without factoring in operating expenses.

Formula: GRM = Property Price ÷ Annual Gross Rental Income

A lower GRM generally suggests a property generates more rent relative to its price, but unlike cap rate, GRM ignores expenses, vacancy and financing — it's best used as a fast first-pass filter before deeper analysis.

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