密度是每单位体积的质量，通常以每立方米（kg/m³）为单位的物质。
1 lb/gal = 0.233 slug/ft³
1 slug/ft³ = 4.301 lb/gal
例子:
将15 每加仑磅（美国）转换为每立方英尺：
15 lb/gal = 3.488 slug/ft³
| 每加仑磅（美国） | 每立方英尺 |
|---|---|
| 0.01 lb/gal | 0.002 slug/ft³ |
| 0.1 lb/gal | 0.023 slug/ft³ |
| 1 lb/gal | 0.233 slug/ft³ |
| 2 lb/gal | 0.465 slug/ft³ |
| 3 lb/gal | 0.698 slug/ft³ |
| 5 lb/gal | 1.163 slug/ft³ |
| 10 lb/gal | 2.325 slug/ft³ |
| 20 lb/gal | 4.65 slug/ft³ |
| 30 lb/gal | 6.975 slug/ft³ |
| 40 lb/gal | 9.3 slug/ft³ |
| 50 lb/gal | 11.625 slug/ft³ |
| 60 lb/gal | 13.95 slug/ft³ |
| 70 lb/gal | 16.275 slug/ft³ |
| 80 lb/gal | 18.6 slug/ft³ |
| 90 lb/gal | 20.925 slug/ft³ |
| 100 lb/gal | 23.25 slug/ft³ |
| 250 lb/gal | 58.125 slug/ft³ |
| 500 lb/gal | 116.251 slug/ft³ |
| 750 lb/gal | 174.376 slug/ft³ |
| 1000 lb/gal | 232.501 slug/ft³ |
| 10000 lb/gal | 2,325.012 slug/ft³ |
| 100000 lb/gal | 23,250.119 slug/ft³ |
规则