Cubic Feet Calculator
Cubic Feet Calculator: Free Online Volume Converter
Calculate cubic feet instantly with our free cubic feet calculator. Measure dimensions in feet, convert units, and calculate volumes for landscaping, shipping, storage, and construction projects.
Cubic Feet Calculator
Select a tool below to calculate the volume of an object and convert between units
Calculate Cubic Feet by Shape
Enter Dimensions
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Enter Diameter
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Unit Conversions
Convert Between Volume Units
Cubic Feet ↔ Cubic Yards Converter
Conversion: 1 cubic yard = 27 cubic feet
Cubic Feet ↔ Cubic Meters (CBM) Converter
Conversion: 1 cubic foot = 0.0283168 cubic meters
Cubic Feet ↔ Cubic Inches Converter
Conversion: 1 cubic foot = 1,728 cubic inches
Cubic Feet ↔ US Gallons Converter
Conversion: 1 cubic foot = 7.48052 US gallons
Cubic Feet ↔ Liters Converter
Conversion: 1 cubic foot = 28.3168 liters
Landscaping Material Calculator
Calculate Mulch Volume
Tip: Recommended mulch depth is 2-4 inches for most landscapes.
Calculate Soil Volume (Raised Beds)
Tip: Raised beds typically need 6-12 inches of soil depth.
Calculate Gravel Volume
Tip: Driveways need 4-6 inches; walkways need 2-3 inches of gravel.
Calculate Concrete Volume (Slabs)
Tip: Standard slab thickness is 4 inches; driveways need 5-6 inches.
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Understanding the Cubic Feet Calculator
A cubic feet calculator is a specialized volume converter designed to calculate the volume of materials and objects for various applications, including landscaping, shipping, storage, and construction projects.
What is a Cubic Foot?
A cubic foot (ft³) is a unit of volume representing a cube with sides of one foot (12 inches) in length. Since 12 inches equals one foot, there are 1,728 cubic inches in one cubic foot. Understanding this relationship is essential when you need to convert from cubic inches or work with dimensions in feet.
How the Volume Converter Works
This free cubic feet calculator accepts dimensions in feet or other units, then uses the appropriate formula to calculate the cubic feet. For rectangular objects, simply multiply length by width by height to find the volume in cubic feet. The calculator automatically handles unit conversions, allowing you to enter measurements in inches, meters, or yards and receive total cubic feet instantly.
Common Applications
Whether you need to convert to cubic yards for bulk material delivery, convert from cubic meters for international shipping, or determine how many cubic feet of mulch your garden requires, our volume calculator provides accurate, immediate results.
The Cubic Feet Formula
How to Calculate Cubic Feet
Follow these steps to accurately calculate the volume and find cubic feet for any project.Use a tape measure to record each dimension. Measure the length and width of your area or object, then measure the height in feet. For irregular shapes, measure at multiple points and average the results to ensure accuracy.
If your measurements are in inches, convert inches to feet by dividing each measurement by 12 inches. For example, 36 inches ÷ 12 = 3 feet. Our calculator can handle this conversion automatically when you select "Inches" as your input unit.
Input your dimensions in feet into our free cubic feet calculator. For rectangular objects, enter length, width, and height. For square footage-based calculations (like mulch depth), enter the area and desired depth.
Click "Calculate" to find the cubic footage. The volume converter displays your total cubic feet along with automatic conversions to cubic yards, cubic meters, cubic inches, and other units. Use these to plan purchases and deliveries accurately.
Cubic Feet Conversion Reference Table
Use this table to quickly convert cubic feet to cubic yards, convert from cubic meters, or translate between other common volume units.
| Cubic Feet (ft³) | Cubic Yards (yd³) | Cubic Meters (m³) | Cubic Inches (in³) | Gallons (US) | Liters |
|---|---|---|---|---|---|
| 1 | 0.037 | 0.0283 | 1,728 | 7.48 | 28.32 |
| 5 | 0.185 | 0.142 | 8,640 | 37.4 | 141.6 |
| 10 | 0.370 | 0.283 | 17,280 | 74.8 | 283.2 |
| 27 | 1.000 | 0.765 | 46,656 | 202.0 | 764.6 |
| 50 | 1.852 | 1.416 | 86,400 | 374.0 | 1,415.8 |
| 100 | 3.704 | 2.832 | 172,800 | 748.1 | 2,831.7 |

