Stadium Slab Concrete Volume

Stadium Shaped Slab Concrete Calculator

The Stadium-Shaped Slab Concrete Volume Calculator helps you estimate the concrete needed for a stadium-shaped slab (a rectangle with semicircles on each end). This calculator requires length A (total length including semicircles), length B (width of the rectangle portion), and slab depth to calculate the area, perimeter, and volume in cubic feet, cubic yards, and cubic metres.



Stadium Slab Concrete Calculator

Length A: ft in
Length B: ft in
Depth: in
Area: ft ²
Perimeter: lin ft

Amount of concrete needed:

Cubic Feet: ft ³
Cubic Yards: yd ³
Cubic Meters: m ³

Calculator

  1. enter length A in feet and inches
  2. length B in feet and inches
  3. the depth of the slab in inches

Results

  1. the area of the stadium in square feet
  2. the perimeter of the stadium in lineal feet
  3. the amount of concrete needed in cubic feet
  4. concrete needed in cubic yards
  5. required concrete in cubic metres

Conversions
one cubic foot (ft³) = 0.037037037037037 cubic yards (yd³)
one cubic foot (ft³) = 0.028316846592 cubic metres (m³)
Formula and Example Calculation
Length A = 30 feet
Length B = 10 feet
Depth = 6 inches
Calculate the Radius:
Radius = Length B ÷ 2 = 10 ÷ 2 = 5 feet
The Area of the Stadium Shape:
Area = (Length A - Length B) * Length B + π * Radius²
where:
Length A is the total length of the stadium, including the semicircles at each end.
Length B is the stadium's width and each semicircle's diameter.
π = 3.141593
The radius is half of Length B.
Area = (30 - 10) * 10 + π * 5²
Area= 20 * 10 + 3.141593 * 25
Area = 200 + 78.54 ≈ 278.54 square feet
The Perimeter of the Stadium Shape:
Perimeter = 2 * (Length A - Length B) + π * Length B
Perimeter = 2 * (30 - 10) + π * 10
Perimeter = 2 * 20 + 31.4159 = 71. 4159 feet
Calculate the Volume of Concrete Needed:
The volume V of concrete is the area multiplied by the depth (converted to feet):
V = A * depth in feet
Convert depth from inches to feet:
6 ÷ 12 = 0.5 feet
Volume = 278.54 * 0.5 = 139.27 cubic feet 
139.27 * 0.037037037037037 = 5.158cubic yards
139.27 * 0.028316846592 = 3.9437
Results
Area: 278.54 square feet
Perimeter: 71.42 feet
Concrete Volume: 139.3 cubic feet
Cubic Yards: 5.16 cubic yards
Cubic Metres: 3.944 cubic metres

When Ordering Concrete

This concrete calculator will help you in estimating the amount of concrete needed for your project. The amount given as needed does not include any waste. Depending on your job, we recommend adding anywhere from an extra 4% to 10% to your concrete required calculation to make sure you have enough concrete to finish the job. Ask when ordering the concrete. They will be able to give you a good idea of what is needed.

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