Financial

Gross Rent Multiplier Calculator

Gross Rent Multiplier

Property Price

Monthly Rent

What is Gross Rent Multiplier Calculator?

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Calculates gross rent multiplier (GRM) comparing purchase price to annual rental income. Quick valuation metric.

Calkulon makes complex calculations simple — built for students and everyday problem-solvers.

Formula

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f(x)GRM = Purchase Price ÷ Gross Annual Rental Income

Variable Legend

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Symbol	Name	Unit	Description
GRM	rough cap rate	—	rough cap rate

How to Gross Rent Multiplier Calculator

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1GRM = Purchase Price ÷ Gross Annual Rental Income
2Lower GRM = better value (lower price relative to income)
3Typical range 4-7; varies by market
4Quick estimate: 1 ÷ GRM = rough cap rate

Worked Examples

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Example 1

Given:Price $300k, rent $2k

Result:GRM 150

Frequently Asked Questions

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Is GRM the same as cap rate?

No; GRM uses gross income (doesn't account for expenses); cap rate uses NOI (accounts for expenses).

When should I use GRM vs. cap rate?

GRM: quick comparison, residential; cap rate: accurate analysis, accounting for expenses.

Common Mistakes to Avoid

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!Using annual income instead of monthly (must multiply)
!Comparing across markets with different expenses
!Using for expense-heavy properties

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Did you know?

GRM 5 means 5 years of rental income to recover investment; 6 = slower, 4 = faster payback.

References

›GRM Calculator

📖Difficulty:Beginner

For informational purposes only. This tool does not constitute financial advice. Consult a qualified financial adviser before making investment or financial decisions.

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Gross Rent Multiplier Calculator

Formula-verified for precision

Reviewed October 2026

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Gross Rent Multiplier Calculator