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`V = f( 80 )* 1 `

0.02

The **Concrete Bag Volume** calculator computes the total volume of concrete based on a standard bag size (40 lb, 60 lb or 80 lb) and the number of bags.

**INSTRUCTIONS:** Enter the following:

**(bS) Bag Size**(e.g., 80lb, 60lb, 50lb, 40lb).**(nB)**Number of Bags

**Volume of Concrete (V)**: The calculator returns the volume of concrete in cubic yards. However this can be automatically converted to compatible units via the pull-down menu.

Concrete bags come in three common sizes 80 pounds, 60 pounds, 50 pounds and 40 pounds. The volume of concrete from the different sizes are:

- .6 ft
^{3}for 80lb bag of concrete - .45 ft
^{3}for 60lb bag of concrete - .3 ft
^{3}for 40lb bag of concrete

This calculator computes the total volume by multiplying the number of bags times the volume per bag.

Functions and data associated with using bags of concrete in different sizes (40lb, 60lb and 80lb) to fill concrete slabs of different shapes (rectangular, round, polygon).

**Concrete Bags from Volume****Price of Concrete using Bags**: Compute the cost of a volume of concrete (e.g., 4.2 cubic yards) using bags of concrete.**Concrete by 40lb bag**: Computes the number of 40 pound bags of concrete and water needed to mix a volume of concrete.**Concrete by 60lb bag**: Computes the number of 60 pound bags of concrete and water needed to mix a volume of concrete.**Concrete by 80lb bag:**Computes the number of 80 pound bags of concrete and water needed to mix a volume of concrete.**Concrete Bag Volume**: Computes the cubic yards of concrete that can be made from a number of bags of concrete.

**Concrete in Rectangle Slab****40lb bags in a Slab:**Computes the number of 40 pound bags of concrete, length of form boards, and water needed for a rectangle (square) slab based on the dimensions of the slab.**60lb bags in a Slab**: Computes the number of 60 pound bags of concrete, length of form boards and water needed for a rectangle (square) slab, footer, sidewalk, driveway or curb.**80lb bags in a Slab:**Computes number of 80 pound bags of concrete, length of form boards and water needed for a rectangle (square) slab.

**Volume of Circular Slab****40lb Bags a Circular Slab**: Computes the volume of a circular slab and returns the number of 40 pound bags needed, the volume in cubic yards, surface area in square feet, circumference in feet, and the water requirement for making the concrete.**60lb Bags for Circular Slab:**Computes the volume of a circular slab and returns the number of 60 pound bags needed, the volume in cubic yards, surface area in square feet, circumference in feet, and the water requirement for making the concrete.**80lb Bags for Circular Slab**: Computes the volume of a circular slab and returns the number of 80 pound bags needed, the volume in cubic yards, surface area in square feet, circumference in feet, and the water requirement for making the concrete.

**Concrete in Polygon Slab**: Computes the amount of concrete (volume) in a polygon shaped concrete slab based on the diameter of the slab, number of sides (e.g., 8 for octagon), and depth. It also returns number of bags (40lb, 60lb, 80lb), water required to make the cement, surface area, length of the individual sides and the total length of the form boards.**Water Needed for Concrete**: Computes the amount of water needed to make a volume of concrete.**Concrete around Circular Post**: Computes the volume of concrete including bags of concrete (40lb, 60lb, 80lb) around a number of round posts in a round hole based on the size of the hole and dimensions of the post.**Concrete around Square Post**: Computes the volume of concrete including bags of concrete (40lb, 60lb, 80lb) around a number of square post (e.g., 6x6) in round hole based on the dimensions of the post, depth and width of the round hole.**Data Items****Cubic Feet of Concrete in a 40lb bag**: 0.3 ft^{3}**Cubic Feet of Concrete in a 60lb bag**: 0.45 ft^{3}**Cubic Feet of Concrete in a 80lb bag**: 0.6 ft^{3}**Retail Concrete Price Survey**:- Price Survey Date:6/17/24
- Price Survey Online Store: MULTIPLE
- Manufacturer: MULTIPLE

**CAUTION**: The pricing information provided is for calculating convenience with NO implied guarantees to the accuracy of the values listed. Authoritative sources should be sought to confirm any value **before risking health or wealth **on the veracity of the data. Furthermore, Calc gives no guarantee that you will be able to buy products at listed prices or even if they will be available. The data provided is purely a convenience for making estimates, so we repeat, ALWAYS use local pricing and authoritative specifications.