Commercial · Calculator
Operating Expense Ratio
Operating expense ratio and NOI margin from effective gross income and expenses.
Inputs
OER = Operating expenses ÷ Effective gross income. Lower generally means leaner operations (context matters by asset class).
After vacancy & credit loss
Do not include debt service
Results
Operating expense ratio
40.00%
NOI margin (NIR)
60.00%
NOI
$468,000
EGI
$780,000
OpEx
$312,000
OpEx per month
$26,000
Educational disclaimer: For educational purposes only. Not financial, legal, tax, or investment advice. Results depend on your inputs and local conditions. Verify assumptions with qualified professionals before making decisions.