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Convert ft³ to m³ and m³ to ft³ Instantly
Accurate Volume Conversion for Construction & Engineering
Converting between cubic feet (ft³) and cubic metres (m³) is essential for construction, engineering, shipping, and material calculations. Our cubic feet to cubic metres converter provides instant, accurate conversions in both directions following international measurement standards used in 2026.
One cubic metre equals 35.3147 cubic feet, making it straightforward to convert between imperial and metric volume measurements. This converter is perfect for concrete volume calculations, material quantities, shipping volumes, and engineering specifications requiring precise cubic measurements.
Convert between ft³ and m³ instantly
The conversion between cubic feet and cubic metres uses a standard international conversion factor. Understanding these formulas ensures accurate volume calculations for construction, engineering, and material estimation projects in 2026.
✅ Conversion Formulas:
Given: 100 cubic feet
Formula: m³ = ft³ ÷ 35.3147
Calculation: 100 ÷ 35.3147 = 2.832 m³
Answer: 100 ft³ = 2.832 m³
Given: 5 cubic metres
Formula: ft³ = m³ × 35.3147
Calculation: 5 × 35.3147 = 176.574 ft³
Answer: 5 m³ = 176.574 ft³
Given: 250 cubic feet
Formula: m³ = ft³ ÷ 35.3147
Calculation: 250 ÷ 35.3147 = 7.079 m³
Answer: 250 ft³ = 7.079 m³
Given: 10 cubic metres
Formula: ft³ = m³ × 35.3147
Calculation: 10 × 35.3147 = 353.147 ft³
Answer: 10 m³ = 353.147 ft³
These conversion tables provide instant reference for common cubic feet and cubic metres conversions used in construction, engineering, and material calculations. Save time with these pre-calculated values accurate for 2026 projects.
| Cubic Feet (ft³) | Cubic Metres (m³) | Cubic Feet (ft³) | Cubic Metres (m³) |
|---|---|---|---|
| 1 ft³ | 0.0283 m³ | 100 ft³ | 2.832 m³ |
| 5 ft³ | 0.142 m³ | 150 ft³ | 4.248 m³ |
| 10 ft³ | 0.283 m³ | 200 ft³ | 5.663 m³ |
| 20 ft³ | 0.566 m³ | 250 ft³ | 7.079 m³ |
| 30 ft³ | 0.850 m³ | 300 ft³ | 8.495 m³ |
| 40 ft³ | 1.133 m³ | 400 ft³ | 11.327 m³ |
| 50 ft³ | 1.416 m³ | 500 ft³ | 14.158 m³ |
| 75 ft³ | 2.124 m³ | 1000 ft³ | 28.317 m³ |
| Cubic Metres (m³) | Cubic Feet (ft³) | Cubic Metres (m³) | Cubic Feet (ft³) |
|---|---|---|---|
| 0.1 m³ | 3.531 ft³ | 5 m³ | 176.573 ft³ |
| 0.5 m³ | 17.657 ft³ | 10 m³ | 353.147 ft³ |
| 1 m³ | 35.315 ft³ | 15 m³ | 529.720 ft³ |
| 1.5 m³ | 52.972 ft³ | 20 m³ | 706.293 ft³ |
| 2 m³ | 70.629 ft³ | 25 m³ | 882.867 ft³ |
| 2.5 m³ | 88.287 ft³ | 30 m³ | 1059.440 ft³ |
| 3 m³ | 105.944 ft³ | 50 m³ | 1765.733 ft³ |
| 4 m³ | 141.259 ft³ | 100 m³ | 3531.467 ft³ |
Understanding cubic volume conversions is essential across multiple industries. Whether you're working in construction, shipping, or engineering, accurate cubic feet to cubic metres conversion ensures proper material ordering, cost estimation, and project planning in 2026.
Use Case: Ordering ready-mix concrete for foundations and slabs
Why Convert: UK suppliers quote in m³, plans may show ft³
Example: 100 ft³ concrete slab = 2.83 m³ order
Related: Concrete calculators for volume and cost
Use Case: Freight and logistics volume calculations
Why Convert: International shipping uses metric, US uses imperial
Example: 20ft container (1,165 ft³) = 33 m³ capacity
Standard: ISO containers specified in both units
Use Case: Air conditioning and ventilation design
Why Convert: Room volumes for CFM/CMH calculations
Example: 1,000 ft³ room = 28.3 m³ for system sizing
Calculation: Air changes per hour requirements
Use Case: Warehousing, aggregate, soil, and bulk material
Why Convert: Purchase orders vs storage specifications
Example: 500 ft³ gravel = 14.16 m³ for lorry capacity
Application: Logistics and material handling
Use Case: Swimming pools, water storage, reservoirs
Why Convert: Capacity in gallons/litres vs cubic dimensions
Example: 800 ft³ pool = 22.65 m³ = 22,650 litres
Related: Chemical dosing and filtration sizing
Use Case: Site preparation, trenching, foundation excavation
Why Convert: Equipment specs vs job quotes
Example: 1,000 ft³ excavation = 28.3 m³ for pricing
Application: Lorry loads and disposal volumes
Cubic measurements quantify three-dimensional space by multiplying length × width × height. Both cubic feet and cubic metres measure volume but use different unit systems – imperial and metric respectively.
📊 Cubic Measurement Basics:
Feet to Metres: 1 ft = 0.3048 m
Metres to Feet: 1 m = 3.28084 ft
Usage: Length, width, height measurements
Example: 10 ft × 8 ft × 6 ft = 480 ft³
Sq Feet to Sq Metres: 1 ft² = 0.0929 m²
Sq Metres to Sq Feet: 1 m² = 10.764 ft²
Usage: Floor area, wall area calculations
Example: 100 ft² × 5 ft height = 500 ft³
Cubic Feet to Cubic Metres: 1 ft³ = 0.0283 m³
Cubic Metres to Cubic Feet: 1 m³ = 35.3147 ft³
Usage: Material volumes, container capacity
Example: 3m × 2m × 1.5m = 9 m³ = 317.8 ft³
Cubic Metres to Litres: 1 m³ = 1,000 litres
Cubic Feet to Gallons (US): 1 ft³ = 7.48 gallons
Cubic Feet to Litres: 1 ft³ = 28.317 litres
Usage: Water tanks, fuel storage, liquid materials
International measurement standards ensure consistency in cubic conversions. The International Bureau of Weights and Measures (BIPM) maintains these standards, which are adopted globally for trade, construction, and engineering in 2026.
✅ Standard Conversion Factors (2026):
⚠️ Common Conversion Mistakes:
Beyond cubic feet and cubic metres, various volume units are used across different industries and regions. Understanding these related conversions helps when working with international suppliers or different measurement systems.
| Unit | Cubic Feet (ft³) | Cubic Metres (m³) | Litres (L) |
|---|---|---|---|
| 1 Cubic Inch | 0.000579 ft³ | 0.0000164 m³ | 0.0164 L |
| 1 Cubic Foot | 1 ft³ | 0.0283 m³ | 28.317 L |
| 1 Cubic Yard | 27 ft³ | 0.765 m³ | 764.6 L |
| 1 Cubic Metre | 35.315 ft³ | 1 m³ | 1,000 L |
| 1 Litre | 0.0353 ft³ | 0.001 m³ | 1 L |
| 1 US Gallon | 0.1337 ft³ | 0.00379 m³ | 3.785 L |
| 1 UK Gallon | 0.1605 ft³ | 0.00455 m³ | 4.546 L |
| 1 Barrel (Oil) | 5.615 ft³ | 0.159 m³ | 159 L |