Compute rectangular prism volume V = l·w·h and surface area from length, width and height.
输入长、宽、高,求长方体体积与表面积。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Rectangular prism volume | V = l·w·h | Solid geometry |
| Surface area | S = 2(lw + lh + wh) | Surface area formula |
| Space diagonal | d = √(l² + w² + h²) | 3D Pythagorean |
| Cube case | V = a³ when equal | Degenerate case |
| Capacity | 1 m³ = 1000 L | Legal units |
| Units | Cubic length units | Dimensional rules |