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Volume Converter

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.

100% Free
Instant Results
Multiple Unit Conversions

Cubic Feet Calculator

Select a tool below to calculate the volume of an object and convert between units

Calculate Cubic Feet by Shape

Formula
Volume = Length × Width × Height

Enter Dimensions

ft
ft
ft
Formula
Volume = π × (Diameter/2)² × Height

Enter Dimensions

ft
ft
Formula
Volume = (4/3) × π × (Diameter/2)³

Enter Diameter

ft
Formula
Volume = (1/3) × π × (Diameter/2)² × Height

Enter Dimensions

ft
ft
Total Volume
0ft³

Unit Conversions

Cubic Yards
0
Cubic Meters
0
Cubic Inches
0
Liters
0
Gallons (US)
0
Bags (1 ft³)
0

Convert Between Volume Units

Cubic Feet ↔ Cubic Yards Converter

ft³
yd³

Conversion: 1 cubic yard = 27 cubic feet

Cubic Feet ↔ Cubic Meters (CBM) Converter

ft³

Conversion: 1 cubic foot = 0.0283168 cubic meters

Cubic Feet ↔ Cubic Inches Converter

ft³
in³

Conversion: 1 cubic foot = 1,728 cubic inches

Cubic Feet ↔ US Gallons Converter

ft³
gal

Conversion: 1 cubic foot = 7.48052 US gallons

Cubic Feet ↔ Liters Converter

ft³
L

Conversion: 1 cubic foot = 28.3168 liters

Landscaping Material Calculator

Calculate Mulch Volume

ft
ft
in

Tip: Recommended mulch depth is 2-4 inches for most landscapes.

Calculate Soil Volume (Raised Beds)

ft
ft
in

Tip: Raised beds typically need 6-12 inches of soil depth.

Calculate Gravel Volume

ft
ft
in

Tip: Driveways need 4-6 inches; walkways need 2-3 inches of gravel.

Calculate Concrete Volume (Slabs)

ft
ft
in

Tip: Standard slab thickness is 4 inches; driveways need 5-6 inches.

Total Volume
0ft³

Order Quantities

Cubic Yards
0
Area Coverage
0 sq ft
2 ft³ Bags
0
3 ft³ Bags
0

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

Standard Formula V = L × W × H Volume = Length × Width × Height Converting from Inches: Divide each dimension by 12 to convert inches to feet, then multiply.

How to Calculate Cubic Feet

Follow these steps to accurately calculate the volume and find cubic feet for any project.
1
Measure the Length, Width, and Height

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.

2
Convert Inches to Feet (If Needed)

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.

3
Enter Dimensions in the Calculator

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.

4
Calculate and Convert

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
10.0370.02831,7287.4828.32
50.1850.1428,64037.4141.6
100.3700.28317,28074.8283.2
271.0000.76546,656202.0764.6
501.8521.41686,400374.01,415.8
1003.7042.832172,800748.12,831.7

Quick Conversion Formulas

Cubic Feet to Cubic Yards:

Divide by 27

Cubic Feet to Cubic Meters:

Multiply by 0.0283168

Cubic Feet from Inches:

(L × W × H in inches) ÷ 1728

Real-World Applications

Calculate volumes for various projects with our cubic feet calculator. Here's how professionals use volume measurements in different industries.

Landscaping & Gardening

Use the mulch calculator to determine how many cubic feet of mulch, soil, gravel, or compost you need. Enter square footage and desired depth to find the volume, then convert to cubic yards for bulk delivery orders.

Shipping & Freight

Calculate cubic feet for shipping quotes and container planning. Convert cubic feet to cubic meters (CBM) for international freight, or determine dimensional weight by comparing volume in cubic feet against actual weight.

Moving & Storage

Find the cubic footage of your belongings to choose the right truck or storage unit size. Calculate total cubic feet for furniture and boxes to estimate how many cubic feet of space you'll need.

Construction

Calculate the volume of concrete needed for slabs, footings, and columns. Convert to cubic yards for ordering ready-mix concrete, or use the volume converter to match specifications in metric units.

Appliances

Compare refrigerator and freezer capacities by understanding cubic feet volume. Find cubic feet measurements to ensure appliances fit your space and meet your family's storage needs.

Pools & Tanks

Use the calculator to calculate water volume for pools, hot tubs, and tanks. Calculate cubic feet first, then convert to gallons or liters for chemical treatment and filling estimates.

Tips for Accurate Volume Measurement

Get precise results when you calculate the volume by following these expert recommendations.

1
Use Consistent Units

Always verify all dimensions in feet or apply inches to feet conversion before calculating. Mixing units leads to significant errors in your total cubic feet.

2
Measure Multiple Points

Measure the length and width at multiple points and average results for irregular spaces. This ensures your cubic feet volume calculation reflects the true space.

3
Add 10% Buffer

When ordering materials like mulch or concrete, add 10% to your calculated cubic feet to account for settling, spillage, and irregular coverage.

4
Document Your Measurements

Record your height in feet, length, and width assumptions. This helps reconcile total cubic feet if you need to adjust orders or verify calculations later.

Frequently Asked Questions

Everything you need to know about cubic feet calculations and volume conversions.

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