Free Cubic Feet to Cubic Meters Converter

Quick Reference

1 ft³ = 0.0283168 m³ • 1 m³ = 35.3147 ft³

1 ft³ = 0.0283 m³
1 m³ = 35.31 ft³

Enter a value to see the result

About This Volume Conversion Tool

This free online cubic feet to cubic meters converter instantly transforms volumes between cubic feet (ft³) and cubic meters (m³). In addition to the primary conversion, it serves as a comprehensive volume conversion calculator, displaying results in liters, centiliters, cubic decimeters, hectoliters, and many more units. Whether you are working in construction, shipping, or engineering, this tool simplifies all your volume conversion needs.

Understanding Cubic Feet and Cubic Meters

A cubic foot is the volume of a cube whose edges each measure exactly one foot in length. The cubic meter, the SI unit of volume, corresponds to a cube with sides of one meter. These two units belong to different measurement systems—cubic feet in the imperial system and cubic meters in the metric system—making a reliable conversion tool essential for international projects.

The Exact Conversion Formula

The foundation of the conversion lies in the relationship between feet and meters:

  • 1 ft=0.3048 m1\ \text{ft} = 0.3048\ \text{m} (exactly, by international definition)
  • 1 m=10.3048 ft≈3.28084 ft1\ \text{m} = \dfrac{1}{0.3048}\ \text{ft} \approx 3.28084\ \text{ft}

Cubing these linear conversions yields the volumetric equivalents:

1 ft3=(0.3048)3 m3=0.028316846592 m3≈0.028317 m3 1\ \text{ft}^{3} = (0.3048)^{3}\ \text{m}^{3} = 0.028316846592\ \text{m}^{3} \approx 0.028317\ \text{m}^{3} 1 m3=(10.3048)3 ft3=35.3146667215 ft3≈35.315 ft3 1\ \text{m}^{3} = \left(\dfrac{1}{0.3048}\right)^{3}\ \text{ft}^{3} = 35.3146667215\ \text{ft}^{3} \approx 35.315\ \text{ft}^{3}

Thus, to convert cubic feet to cubic meters, multiply by 0.028317 (or divide by 35.315). For the reverse, multiply cubic meters by 35.315.

How to Use the Bidirectional Converter

The ft³ to m³ calculator works in both directions without any need to select a mode:

  • Cubic feet → cubic meters: Enter a value in the “Cubic feet (cu ft)” field. The equivalent in cubic meters appears instantly in the adjacent field.
  • Cubic meters → cubic feet: Type a number in the “Cubic meters (m³)” field, and the result in cubic feet updates automatically.
  • More units: Expand the “More conversion options” section to see additional unit conversions (liters, centiliters, cubic decimeters, etc.).

Example input/output:

InputOutput
10 ft³0.28317 m³
9 m³317.83 ft³

Quick Reference: Common Conversions

Cubic Feet (ft³)Cubic Meters (m³)
10.0283
100.2832
1002.8317
1,00028.317
35.3151

Manual Conversion Walkthrough

For situations where you need to calculate by hand:

  • 50 ft³ to m³: 50×0.028317=1.41585 m350 \times 0.028317 = 1.41585\ \text{m}^{3}
  • 20 m³ to ft³: 20×35.315=706.3 ft320 \times 35.315 = 706.3\ \text{ft}^{3}

These manual steps follow the same factors used by the automatic converter, ensuring consistency.

Why Use This Converter?

Manual calculations are prone to error, especially with large or fractional volumes. This free online tool eliminates mistakes, provides immediate results in multiple units, and works seamlessly on any device. Whether you are converting for a DIY project, an academic exercise, or a professional shipment, this volume conversion calculator delivers fast, accurate answers every time.

FAQ

1. How do I manually convert cubic feet to cubic meters?

Multiply the volume in cubic feet by 0.028317. Alternatively, divide the volume by 35.315 to obtain the result in cubic meters.

2. What is the exact conversion factor from cubic feet to cubic meters?

The exact factor derived from the definition 1 ft = 0.3048 m is (0.3048)³ = 0.028316846592 m³. For everyday use, 0.028317 is a sufficiently accurate rounded value.

3. Can this converter display results in units other than cubic feet and cubic meters?

Yes. By expanding the "More conversion options" section, you can view the same volume expressed in liters, centiliters, cubic decimeters, hectoliters, and other common volume units.

4. What is the conversion factor from cubic meters to cubic feet?

One cubic meter equals approximately 35.315 cubic feet. To convert, multiply the cubic meter value by 35.315.

How to Use

  1. Enter a numeric value in the input field.
  2. Select the unit you want to convert from: Cubic Feet (ft³) or Cubic Meters (m³).
  3. Click the Convert button to see the equivalent value in the other unit.