Use this calculator to work out how much space you need in rentable square feet. Circulation allowance is the approximate area required for corridors, walkways, etc. Loss factor is the difference between rentable square feet and usable square feet. For a more detailed explanation of space measurement, click on any of the links above to go to the relevant section of the Glossary of Terms. Enter the Square Footage and Quantity you would like to allow for each Position - white columns ONLY. Click the CALCULATE button to get your Rentable Square Feet.
Position	Sq. Foot Allowance	Quantity	Base Total	Circulation Allowance	Usable Sq. Feet	Loss Factor Allowance	Rentable Sq. Feet
Private Office (Size A) Sugg. Size: 200+
Private Office (Size B) Sugg. Size: 150-200
Private Office (Size C) Sugg. Size: 80-150
Open area Desk (Size A) Sugg. Size: 80-100
Open area Desk (Size B) Sugg. Size: 64-80
Open area Desk (Size C) Sugg. Size: 48-64
Conference Room (Size A) Sugg. Size: 300+
Conference Room (Size B) Sugg. Size: 200-300
Receptionist Sugg. Size: 80-120
Reception Seating Area Sugg. Size: 100-300
Pantry/Lunch Room Sugg. Size: 100-300
Telephone Server Room Sugg. Size: 40-120
Coat Closet Sugg. Size: 18-30
Copier/Mail Room Sugg. Size: 100-300
Other
TOTALS