1 千克/升（kg/L）等于 1,000,000 mg/L，1 毫克/升（mg/L）等于 0.000001 kg/L。
| 千克/升 | 毫克/升 |
|---|---|
| 0.01 kg/L | 10,000 mg/L |
| 0.1 kg/L | 100,000 mg/L |
| 1 kg/L | 1,000,000 mg/L |
| 2 kg/L | 2,000,000 mg/L |
| 3 kg/L | 3,000,000 mg/L |
| 4 kg/L | 4,000,000 mg/L |
| 5 kg/L | 5,000,000 mg/L |
| 6 kg/L | 6,000,000 mg/L |
| 7 kg/L | 7,000,000 mg/L |
| 8 kg/L | 8,000,000 mg/L |
| 9 kg/L | 9,000,000 mg/L |
| 10 kg/L | 10,000,000 mg/L |
| 20 kg/L | 20,000,000 mg/L |
| 30 kg/L | 30,000,000 mg/L |
| 40 kg/L | 40,000,000 mg/L |
| 50 kg/L | 50,000,000 mg/L |
| 60 kg/L | 60,000,000 mg/L |
| 70 kg/L | 70,000,000 mg/L |
| 80 kg/L | 80,000,000 mg/L |
| 90 kg/L | 90,000,000 mg/L |
| 100 kg/L | 100,000,000 mg/L |
| 200 kg/L | 200,000,000 mg/L |
| 300 kg/L | 300,000,000 mg/L |
| 500 kg/L | 500,000,000 mg/L |
| 1,000 kg/L | 1,000,000,000 mg/L |
| 10,000 kg/L | 10,000,000,000 mg/L |
| 千克/立方米 | 1,000 kg/m³ |
| 克/立方厘米 | 1 g/cm³ |
| 克/毫升 | 1 g/mL |
| 千克/升 | 1 kg/L |
| 克/升 | 1,000 g/L |
| 毫克/毫升 | 1,000 mg/mL |
| 毫克/升 | 1,000,000 mg/L |
| 微克/立方米 | 1,000,000,000,000 μg/m³ |
| 磅/立方英尺 | 62.4279606 lb/ft³ |
| 磅/立方英寸 | 0.036127292 lb/in³ |
| 磅/加仑 | 8.34540445 lb/gal |
| 盎司/立方英寸 | 0.578036672 oz/in³ |
| 盎司/加仑 | 133.526471 oz/gal |
| 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 |