Calculated Industries ConcreteCalc User Manual download pdf (Page 35)

Volume of a Semicircular Pad

You want to calculate the volume of a

semi-circular pad with a diameter of 16

feet and a thickness of 4 inches. (Use

the [Circ] key to find circle area).

Step/Keystrokes Display

1. Clear calculator:

[On/C] [On/C] 0.

2. Enter diameter:

16 [Feet] 16 FT

3. Find circle area:

[Circ] [Circ] 201.0619 SQ FT

4. Divide by 2 for semi-circle:

[÷] 2 [=] 100.531 SQ FT

5. Multiply by thickness to find cubic feet:

[x] 4 [Inch] [=] 33.51032 CU FT

6. Convert to cubic yards:

[Conv] [Yds] 1.241123 CU YD

User’s Guide – 35

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