Choose the quantity to calculate, then enter the two known values. Options include constant-cross-section holes, circular cylindrical holes and volume-based truckloads.
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Hole Area Formula
The following two example problems outline the steps and information needed to calculate the Hole Area.
- Where HA is the Hole Area (ft^2)
- V is the hole volume (ft^3)
- D is the hole depth (ft)
To calculate the hole cross-sectional area, divide the hole volume by the hole depth. This assumes a constant cross-section; for an irregular hole, the quotient is an average area. Circular-hole options use V = ฯdยฒD/4. Truckload options divide volume by capacity; whole trips round up and exclude soil expansion and weight limits.
How to Calculate Hole Area?
The following example problems outline how to calculate Hole Area.
Example Problem #1:
- First, determine the hole volume (ft^3).
- The hole volume (ft^3) is given as: 300.
- Next, determine the hole depth (ft).
- The hole depth (ft) is provided as: 10.
- Finally, calculate the Hole Area using the equation above:
HA = V / D
The values provided above are inserted into the equation below and computed.
HA = 300 / 10 = 30 (ft^2)
Example Problem #2:
For this problem, the variables required are provided below:
hole volume (ft^3) = 600
hole depth (ft) = 10
Test your knowledge using the equation and check your answer with the calculator.
HA = V / D = ?
