Cubic Feet to Cubic Meters Converter

The international foot is exactly 0.3048 meter, so the volume factor is the length factor cubed:

$1\text{ ft}^3=0.3048^3=0.028316846592\text{ m}^3$

$\text{m}^3=\text{ft}^3\times0.028316846592$

For example, 100 ft³ equals 2.8316846592 m³ and 2,831.6846592 L. The reverse check divides by the same exact factor. Results are rounded only after conversion; negative or invalid numeric inputs and results too large to represent are rejected.

Related: the cubic feet calculator and cubic meter calculator for rectangular volumes, plus the cubic feet to U.S. gallons converter for another ft³ conversion.

Start with volume rather than one dimension

Use an already calculated cubic-foot volume as the input. A length in feet cannot become cubic meters through this converter alone; calculate the shape’s volume first. When handing the result to a material estimate, retain the original volume and any separate waste allowance so allowance is not applied twice.

Sources

• NIST, Guide for the Use of the International System of Units (SP 811) — SI units and accepted conversion guidance.
• NIST, Handbook 44, Appendix C — U.S. customary volume and length relationships used for dimensional arithmetic.