1 毫克/升（mg/L）等于 0.001 mg/mL，1 毫克/毫升（mg/mL）等于 1,000 mg/L。
| 毫克/升 | 毫克/毫升 |
|---|---|
| 0.01 mg/L | 0.00001 mg/mL |
| 0.1 mg/L | 0.0001 mg/mL |
| 1 mg/L | 0.001 mg/mL |
| 2 mg/L | 0.002 mg/mL |
| 3 mg/L | 0.003 mg/mL |
| 4 mg/L | 0.004 mg/mL |
| 5 mg/L | 0.005 mg/mL |
| 6 mg/L | 0.006 mg/mL |
| 7 mg/L | 0.007 mg/mL |
| 8 mg/L | 0.008 mg/mL |
| 9 mg/L | 0.009 mg/mL |
| 10 mg/L | 0.01 mg/mL |
| 20 mg/L | 0.02 mg/mL |
| 30 mg/L | 0.03 mg/mL |
| 40 mg/L | 0.04 mg/mL |
| 50 mg/L | 0.05 mg/mL |
| 60 mg/L | 0.06 mg/mL |
| 70 mg/L | 0.07 mg/mL |
| 80 mg/L | 0.08 mg/mL |
| 90 mg/L | 0.09 mg/mL |
| 100 mg/L | 0.1 mg/mL |
| 200 mg/L | 0.2 mg/mL |
| 300 mg/L | 0.3 mg/mL |
| 500 mg/L | 0.5 mg/mL |
| 1,000 mg/L | 1 mg/mL |
| 10,000 mg/L | 10 mg/mL |
| 千克/立方米 | 0.001 kg/m³ |
| 克/立方厘米 | 0.000001 g/cm³ |
| 克/毫升 | 0.000001 g/mL |
| 千克/升 | 0.000001 kg/L |
| 克/升 | 0.001 g/L |
| 毫克/毫升 | 0.001 mg/mL |
| 毫克/升 | 1 mg/L |
| 微克/立方米 | 1,000,000 μg/m³ |
| 磅/立方英尺 | 0.0000624279606 lb/ft³ |
| 磅/立方英寸 | 0.000000036127292 lb/in³ |
| 磅/加仑 | 0.00000834540445 lb/gal |
| 盎司/立方英寸 | 0.000000578036672 oz/in³ |
| 盎司/加仑 | 0.000133526471 oz/gal |
| 千克/立方米 | 1 kg/m³ |
| 克/立方厘米 | 0.001 g/cm³ |
| 克/毫升 | 0.001 g/mL |
| 千克/升 | 0.001 kg/L |
| 克/升 | 1 g/L |
| 毫克/毫升 | 1 mg/mL |
| 毫克/升 | 1,000 mg/L |
| 微克/立方米 | 1,000,000,000 μg/m³ |
| 磅/立方英尺 | 0.0624279606 lb/ft³ |
| 磅/立方英寸 | 0.000036127292 lb/in³ |
| 磅/加仑 | 0.00834540445 lb/gal |
| 盎司/立方英寸 | 0.000578036672 oz/in³ |
| 盎司/加仑 | 0.133526471 oz/gal |