Calculateur de Ratio de Charges d'Exploitation — Formule
## Operating Expense Ratio
The OER shows what percentage of a property's gross income is spent on operating costs. A lower OER indicates more efficient property management.
### Formula
**OER = Operating Expenses / Effective Gross Income x 100**
### Benchmarks
- Single-family rentals: 35-45%
- Small multifamily: 40-50%
- Large apartment complexes: 45-55%
- Commercial office: 40-50%
The OER shows what percentage of a property's gross income is spent on operating costs. A lower OER indicates more efficient property management.
### Formula
**OER = Operating Expenses / Effective Gross Income x 100**
### Benchmarks
- Single-family rentals: 35-45%
- Small multifamily: 40-50%
- Large apartment complexes: 45-55%
- Commercial office: 40-50%
Exemple Résolu
A property has $22,000 in operating expenses on $55,000 effective gross income.
- OER = $22,000 / $55,000 x 100 = 40.0%
- NOI = $55,000 - $22,000 = $33,000
- NOI ratio = $33,000 / $55,000 x 100 = 60.0%
- A 40% OER means 40 cents of every income dollar goes to expenses