Spike's Calculators


Quonset Hut with Walls

Calculate the square footage and the roof and wall area of a building with a circular segment shaped roof.

Square footage of the building is calculated as length times the width of the building.
The gable walls are considered to be full gable walls so it includes the wall and roof segment heights.
The roof area in square feet is calculate by multiplying the arc length by the length of the building.
It also calculates the radius of the circle the circular segment shape is based on.

Quonset Hut

Quonset Hut with Straight Walls

Building Width ft in
Building Length ft in
Wall Height ft in
Roof Segment Height ft in


Square Footage of Building ft²
Radius ft
Arc Length ft
Square Footage of Gable Walls ft²
Square Footage of Side Walls ft²
Total Wall Square Footage ft²
Square Footage of Roof ft²
Roof Area in Squares sq


  1. building length
  2. building width
  3. wall height
  4. roof segment height


  1. building square footage
  2. radius
  3. arc length
  4. gable wall square footage ( the front and back walls up to the roof)
  5. square footage of both side walls
  6. square footage of the gable and side walls
  7. roof area in square feet
  8. roof area in squares
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