2.831685
m³
2,831.68
L
748.05
gal
172,800
in³
2.831685
m³
2,831.68
L
748.05
gal
172,800
in³
The Cubic Feet to Cubic Meters Converter converts volume from cubic feet to cubic meters using the exact factor 1 ft³ = 0.028316846592 m³. This tool is critical for shipping logistics, construction, HVAC system design, and natural gas measurement conversions.
Cubic feet is the standard volume unit in US construction and engineering, while cubic meters is the international standard. Builders, architects, and engineers working on international projects frequently need to convert between these units for material quantities, room volumes, and fluid flow rates.
The conversion factor derives from the exact definition of 1 foot = 0.3048 meters: 1 ft³ = 0.3048³ = 0.028316846592 m³. This is exact — no rounding involved.
Our converter also provides the equivalent in liters and US gallons for additional practical reference.
The exact formula: cubic meters = cubic feet × 0.028316846592. Since 1 foot = 0.3048 m (exact), 1 ft³ = 0.3048 × 0.3048 × 0.3048 = 0.028316846592 m³. For liters: liters = ft³ × 28.3168. For gallons: US gallons = ft³ × 7.48052.
Practical references: 1 cubic foot of water weighs about 62.4 pounds (28.3 kg). A standard cord of firewood = 128 ft³ = 3.625 m³. The trunk of a mid-size car is about 14-16 ft³ (0.40-0.45 m³).
Inputs
Results
100 ft³ = 2.83 m³
Inputs
Results
27 ft³ = 1 cubic yard = 0.765 m³
1 ft³ = 0.028317 m³ (approximately 28.3 liters).
Multiply cubic feet by 0.028316846592.
1000 ft³ = 28.317 m³.
1 ft³ = 28.317 liters.
1 ft³ = 7.481 US gallons.
1 ft³ of water weighs about 62.4 pounds (28.3 kg) at standard conditions.
Multiply by 0.02832. Natural gas: 1 CCF (100 ft³) = 2.832 m³.
A typical 12×15×8 ft room = 1,440 ft³ = 40.8 m³.
Exactly 27 cubic feet (3 × 3 × 3).
Yes, because 1 foot is defined as exactly 0.3048 meters, the cubic conversion is also exact.
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