| Approximation |
% Accuracy |
| 1 ounce/cubic inch ≈ 100 pounds/cubic foot |
92.6 |
| 1 pound/cubic inch ≈ 20 tons/cubic yard |
95.9 |
| 1 pound/UK gallon ≈ 100 kilograms/cubic metre |
99.8 |
| 1 kilogram/litre ≈ 10 pounds/UK gallon |
99.8 |
| 1 slug/cubic foot ≈ ½ kilogram/litre |
96.9 |
| 1 tonne/cubic metre ≈ ¾ ton/cubic yard |
99.7 |
