Real Estate & Mortgage
Rentable vs Usable Square Footage
Convert between usable square footage and rentable square footage using a building's load factor.
Your inputs
Change any value to update the result instantly.
Rentable square footage
11,500 sq ft
Usable square footage
10,000
Common area add-on
1,500
Load factor
15%
Formula and working
Rentable sq ft = Usable sq ft × (1 + Load factor); Load factor = (Rentable − Usable) ÷ Usable
- 1
Collect the inputs
Usable square footage = 10,000 sq ft; Load factor (common area add-on) = 15 %
- 2
Apply the formula
Rentable sq ft = Usable sq ft × (1 + Load factor); Load factor = (Rentable − Usable) ÷ Usable
- 3
Result
Rentable square footage = 11,500 sq ft
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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