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Cubic Feet Calculator

Enter the length, width, and area measurements to calculate the cubic feet present in it through this calculator.

Calculate with:

Area:

m ▾

Height:

m ▾

Width:

m ▾

Quantity:

lbs ▾

Weight:

Estimated Price:

$ ft³ ▾

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The cubic feet calculator calculates the volume of an object by considering its length, width, and height measurements.

The cubic feet calculator allows conversion from units like millimeters, centimeters, meters, kilometers, miles, nautical miles, yards, and cubic inches into cubic feet. It also provides the total volume of the shape with high accuracy.

This tool helps estimate the cubic feet contained within any given volume precisely. Additionally, it visualizes the resulting cube, giving a clear understanding of the shape's dimensions.

What Is Cubic Foot?

Cubic foot is a US customary unit of volume, defined as:

“Volume of a cube whose sides each measure 1 foot”

Cubic Foot

Mathematically:

Height = 1 ft, Width = 1 ft, Length = 1 ft

Formulas to Calculate Cubic Feet:

1. Calculating from Area:

Volume = Area × Height

2. Using Length, Width, and Height:

Volume = Length × Width × Height

3. From Meters:

Volume (m³) = Length(m) × Width(m) × Height(m)

Volume (ft³) = Volume (m³) × 35.31

4. From Inches:

Volume (in³) = Length(in) × Width(in) × Height(in)

Volume (ft³) = Volume (in³) ÷ 1728

5. From Yards:

Volume (yd³) = Length(yd) × Width(yd) × Height(yd)

Volume (ft³) = Volume (yd³) × 27

Cubic Feet Calculations (From Meters, Yards, and Inches):

From Meters:

There are 35.31 cubic feet in 1 cubic meter. To convert:

Determine the volume in cubic meters
Multiply by 35.31 to get cubic feet

From Yards:

There are 27 cubic feet in 1 cubic yard. To convert:

Determine the volume in cubic yards
Multiply by 27 to get cubic feet

From Inches:

There are 1728 cubic inches in 1 cubic foot. To convert:

Determine the volume in cubic inches
Divide by 1728 to get cubic feet

Example (From Meters):

Cubic feet example

Length = 3 m

Width = 6 m

Height = 7 m

Calculations:

Volume = Length × Width × Height

Volume = 3 × 6 × 7 = 126 m³

Converting to Cubic Feet:

Volume = 126 × 35.31 ≈ 4,449.06 ft³

Example (From Inches):

Cubic feet example

Length = 2 in

Width = 8 in

Height = 1 in

Calculations:

Volume (in³) = 2 × 8 × 1 = 16 in³

Volume (ft³) = 16 ÷ 1728 ≈ 0.00925 ft³

Example (From Yards):

Cubic feet example

Length = 7 yd

Width = 9 yd

Height = 2 yd

Calculations:

Volume (yd³) = 7 × 9 × 2 = 126 yd³

Volume (ft³) = 126 × 27 = 3402 ft³

Cubic Feet of Irregular Shapes:

For irregular shapes:

Divide the object into smaller regular shapes
Calculate each volume in cubic feet (convert units as necessary)
Sum all volumes to get the total cubic feet

FAQ:

Are Feet and Cubic Feet the Same?

No. Feet measure length, while cubic feet measure volume.

What Is the Cubic Feet of a Five-Gallon Bucket?

1 US liquid gallon = 0.135 cubic feet. Therefore, 5 gallons = 5 × 0.135 = 0.675 ft³.

Cubic Foot to Other Units Conversion:

Quantity	Conversion
1 Cubic ft	1728 Cubic Inches
1 Cubic ft	0.0370 Cubic Yards
1 Cubic ft	0.028316846592 Cubic Meters
1 Cubic ft	28.316846592 Liters
1 Cubic ft	7.480519 US Fluid Gallons
1 Cubic ft	957.5065 US Fluid Ounces
1 Cubic ft	6.2288 Imperial Gallons
1 Cubic ft	996.61 Imperial Fluid Ounces
1 Cubic ft	0.80356 US Bushels
1 Cubic ft	0.17811 Oil Barrel

References:

Collins Dictionary: cubic foot

EN-Academic: Btu per cubic foot

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