# What Is The Difference Between Usable And Rentable Square Feet?

## What is building load factor?

In short, the load factor is the percentage of space on a floor or building that is not usable and is expressed using the simple formula of rentable area divided by useable area minus one.

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## What is usable area?

The BOMA 2010 definition of Usable Area is the total of Occupant Area and Building Amenity Area; however, most buildings do not have Building Amenity Classification so Usable Area and Occupant Area will usually be the same number.

## How do you calculate Boma square footage?

The BOMA Standards provide two methods of calculating Rentable Area. Only one method should be used throughout the entire building. In both methods, calculating the Rentable Area requires multiplying the total floor area by a ratio that represents the tenant’s portion of the floor.

## What does BOMA best stand for?

BOMA BEST Certified Buildings in Manitoba BEST stands for Building Environmental Standards, and BEST-certified buildings lead the way in energy and water conservation, waste reduction, indoor air quality, and operational best practices.

## What is a BOMA report?

BOMA International’s Experience Exchange Reports are the commercial real estate industry’s most comprehensive benchmarking resources for the office and industrial sectors.

## What is a BOMA certification?

BOMA BEST Sustainable Buildings certification recognizes excellence in energy and environmental management and performance in commercial real estate. The Program is managed by the Building Owners and Managers Association of Canada (BOMA Canada) and delivered by the eleven Local BOMA Associations throughout Canada.

## What is r/u ratio?

(BOMA 2010, Method A) A ratio, the numerator of which is the preliminary floor area of a floor, and the denominator of which is the usable area of that floor, that distributes floor service areas to the occupants on a floor on a proportional basis. …

## How is rentable area calculated?

Rentable Square Feet The portion of common space attributed to a specific tenant is calculated by taking their pro-rata share of the building’s total square footage. For example, if a tenant leases 10,000 SF in a 100,000 SF building, 10% of the building’s common space will be attributed to that tenant.

## How do you calculate usable rentable square footage?

First, find the total floor area of a building. Then, subtract all shared square footage to get total usable square footage. (The owner or owner’s agent should be able to give you these numbers.) From there, divide the total floor space by the usable square footage, and you’ll have your load factor.

## What is the difference between net and gross square footage?

The Gross Square Footage is calculated from the outside of the exterior walls and is inclusive of all space within minus areas that are open to below. The Net Square Footage is the total square footage of all the rooms/areas on a floor.

## What is BOMA measurement?

The “Standard Method for Measuring Floor Area in Office Buildings” is published by BOMA International (The Building Owners and Managers Association) and approved by ANSI (American National Standards Institute). … BOMA International first developed the standard in 1915.

## What is aboa sqft?

ANSI/BOMA Office Area (ABOA) means the area “where a tenant normally houses personnel, and/or furniture, for which a measurement is to be computed,” as stated by the American National Standards Institute/Building Owners and Managers Association (ANSI/BOMA) publication, Z65.

## Are interior walls included in square footage?

Calculations for the square footage of a home are taken from the outside dimensions of the structure (so exterior and interior wall thickness is included). If your home exterior is easily accessible, you can do it yourself with a 100-foot tape measure.

## Do stairs count in square footage?

Stairs: Runs/treads and landings both count in square footage totals. They are measured as a part of the floor “from which they descend,” so are generally counted twice in a typical two-story home with a basement.

## How do you calculate core factor?

The core factor can be calculated by dividing the rentable square footage by the usable square footage. It is imperative that we, as Tenant Rep’s educate our clients on understanding this number in order to allocate costs and compare different options.

## What is considered usable square footage?

In a nutshell, usable square footage is the actual space you occupy from wall to wall. Usable square footage does not include common areas of a building such as lobbies, restrooms, stairwells, storage rooms, and shared hallways.

## What is RSF in real estate?

Rentable Square Footage or RSF is the total square footage that equals the Usable Square Footage plus the tenant’s pro rata share of the Building Common Areas, such as lobbies, public corridors, hallways, restrooms, etc.