Concrete Bags for Column and Pad

Spike's Calculators

Calculate the number of concrete bags needed for pouring a column plus pad. This calculator uses feet and inches for measurements.

Note:
 The pad is square, and the column is a cylinder.

Concrete Needed for a Column and Pad

Column and Pad - Concrete Bags

Select Bag Size: 40 Lbs
50 Lbs
60 Lbs
80 Lbs
90 Lbs
Number of Columns
and Pads Needed:		 #
Height of Column: ft in.
Diameter of Column: in.
Length of Pad: ft in.
Depth of Pad: in.
Price of One Concrete Bag: $

Results:

Number of Bags Needed: bags
Total Weight of Bags: lbs
Total Cost of Concrete Bags: $
Volume of Concrete Needed in Cubic Feet: ft³
Volume of Concrete Needed in Cubic Yards: yd³
Volume of Concrete Needed in Cubic Metres: m³

Calculation

  1. select your bag size
  2. the number of columns plus pads you need
  3. the height of the column in feet and or inches
  4. the column's diameter in inches
  5. length of pad in feet and or inches
  6. width of the pad in feet and or inches
  7. the depth of the pad in inches
  8. the price of one bag

Results

  1. the number of concrete mix bags needed
  2. the weight of the concrete bags in pounds (dry weight- no water)
  3. the cost of the concrete bags
  4. amount of concrete needed in cubic feet
  5. amount of concrete needed in cubic yards
  6. amount of concrete needed in cubic and cubic metres

Formula
bag weight ÷ yield per bag
length*width*depth
𝝅*r²*height
The calculation uses one pound of concrete mix and yields 0.0075 cubic feet. When you purchase a bag of concrete, you get a mixture of cement, aggregate, and sand.

Concrete Pre-Mix in Bags

Use these concrete calculators to calculate the number of bags you need.

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