Feet to Cubic Feet
Convert linear feet to cubic feet volume or calculate from dimensions.
Dimension-Based Volume
Popular Feet to Cubic Feet Conversions
Core Formula
Volume = Length × Width × Height (all in feet)
- Convert units first if needed
- Multiply for cubic feet result
From Inches
- Multiply L × W × H = cubic inches
- Divide by 1728
Irregular Shapes
- Split into rectangles
- Calculate each volume
- Add totals
Visual Size Comparison
1 Cubic Foot = 12x12x12 inches (basketball-sized box)
1 ft³
2 ft³
5 ft³
Scale shows relative volumes for storage or material estimates.
Everyday Applications
- Room storage: 10x12x8 ft holds 960 cubic feet of furniture
- Soil for garden: 20×10 ft bed at 6 in deep needs 100 cubic feet
- Shipping boxes: Stack to match truck cubic feet capacity
- Appliance fit: Check fridge cubic feet against space dimensions
US vs. Metric Regions
In US/Canada, cubic feet measure shipping, construction, HVAC. Metric areas use cubic meters (1 m³ ≈ 35.3 ft³), so convert for global quotes.
Common Questions
How many cubic feet in 12x12x12 inches? Exactly 1 cubic foot.
Convert 3x3x3 feet? 27 cubic feet (1 cubic yard).
From square feet to cubic feet? Multiply area by height in feet.
Irregular room? Divide into boxes, sum volumes.