วิธีการคำนวณ Cubic Volume
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Cubic volume measurements — cubic feet, cubic yards, cubic metres — are used in construction, shipping, and home improvement. Converting between units is essential when buying materials like concrete, gravel, or soil.
สูตร
Cube: V = s³ | Rectangular prism: V = l × w × h | Sphere: V = (4/3)πr³
- V
- Volume (cubic units)
- s
- Side Length (units)
- r
- Radius (units)
คำแนะนำทีละขั้นตอน
- 11 cubic yard = 27 cubic feet
- 21 cubic metre = 35.315 cubic feet
- 31 cubic foot = 7.48 gallons = 28.317 litres
- 4Volume = Length × Width × Height (all same unit)
ตัวอย่างที่มีคำตอบ
อินพุต
10 ft × 8 ft × 3 ft room
ผลลัพธ์
240 cubic feet = 8.89 cubic yards = 6.80 cubic metres
อินพุต
1 cubic yard of concrete
ผลลัพธ์
27 cu ft ≈ 45 × 60-lb bags or 34 × 80-lb bags
คำถามที่พบบ่อย
How do I find the volume of irregular shapes?
For irregular shapes, use displacement method (water displacement for solids) or break into simpler shapes and add volumes.
What are cubic units?
Cubic units are volume measurements: cubic meters (m³), cubic feet (ft³), liters, gallons. Always track your units!
How does volume scale with size?
Volume scales with the cube of linear dimension. Double the side length = 8× the volume. This is why bigger objects hold much more.