Gross Income Multiplier
The Gross Income Multiplier (GIM) or Gross Rent Multiplier indicates how many times the price/value of the property is greater than the gross income it delivers to its owner.
However, because there are two concepts of gross income in the real estate industry, the Potential Gross Income (PGI) and the Effective Gross Income (EGI), there are also two respective multipliers that involve a property's gross income, the Potential Gross Income Multiplier (PGIM) and the Effective Gross Income Multiplier (EGIM):
The formula for EGIM is the following:
EGIM = Market Price / Effective Gross Income (EGI)
The formula for the Effective Gross Income (EGI):
EGI = Potential Gross Rental Income + Other Income – Vacancy & Bad Debt Allowance
It is more meaningful to calculate the EGIM on an annual basis and thus the annual Effcective Gross Income is typically used in this formula. If a monthly EGIM is desired then the monthly EGI should be used.
Notice that the Potential Gross Income in the EGI formula includes primarily rental income, but it accounts also for any other income that may be produced by the property, such as income from vending machines, laundry room, parking, etc. The vacancy and bad debt allowance accounts for space/units that remain vacant during the year and, as such do not actually provide any rental income to the landlord, while bad debt allowances cover any rent that is owed during the year but is not paid by the tenants.
Example
Below we provide an example of calculation of effetive gross income and the respective annual EGIM.
Potential Gross Rental Income = $125,000
Vacancy and Bad Debt Allowance (8%) = $10,000
Other Income = $5,000
Market Price = $1,000,000
Therefore,
Effective Gross Income = 125,000 + 5,000 – 10,000 = 120,000
and therefore
EGIM = 1,000,000/120,000 =8.33
Thus, in this example, the asking price is 8.33 times greater than the effective gross income produced by the property.
The formulas for the PGIM and PGI are .....
Note: This is an excerpt from the 37-page e-book titled "Real Estate Investment Mathematics"
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