1 毫克/毫升（mg/mL）等於 1,000,000,000 μg/m³，1 微克/立方公尺（μg/m³）等於 0.000000001 mg/mL。
| 毫克/毫升 | 微克/立方公尺 |
|---|---|
| 0.01 mg/mL | 10,000,000 μg/m³ |
| 0.1 mg/mL | 100,000,000 μg/m³ |
| 1 mg/mL | 1,000,000,000 μg/m³ |
| 2 mg/mL | 2,000,000,000 μg/m³ |
| 3 mg/mL | 3,000,000,000 μg/m³ |
| 4 mg/mL | 4,000,000,000 μg/m³ |
| 5 mg/mL | 5,000,000,000 μg/m³ |
| 6 mg/mL | 6,000,000,000 μg/m³ |
| 7 mg/mL | 7,000,000,000 μg/m³ |
| 8 mg/mL | 8,000,000,000 μg/m³ |
| 9 mg/mL | 9,000,000,000 μg/m³ |
| 10 mg/mL | 10,000,000,000 μg/m³ |
| 20 mg/mL | 20,000,000,000 μg/m³ |
| 30 mg/mL | 30,000,000,000 μg/m³ |
| 40 mg/mL | 40,000,000,000 μg/m³ |
| 50 mg/mL | 50,000,000,000 μg/m³ |
| 60 mg/mL | 60,000,000,000 μg/m³ |
| 70 mg/mL | 70,000,000,000 μg/m³ |
| 80 mg/mL | 80,000,000,000 μg/m³ |
| 90 mg/mL | 90,000,000,000 μg/m³ |
| 100 mg/mL | 100,000,000,000 μg/m³ |
| 200 mg/mL | 200,000,000,000 μg/m³ |
| 300 mg/mL | 300,000,000,000 μg/m³ |
| 500 mg/mL | 500,000,000,000 μg/m³ |
| 1,000 mg/mL | 1,000,000,000,000 μg/m³ |
| 10,000 mg/mL | 10,000,000,000,000 μg/m³ |
| 公斤/立方公尺 | 1 kg/m³ |
| 克/立方公分 | 0.001 g/cm³ |
| 克/毫升 | 0.001 g/mL |
| 公斤/公升 | 0.001 kg/L |
| 克/公升 | 1 g/L |
| 毫克/毫升 | 1 mg/mL |
| 毫克/公升 | 1,000 mg/L |
| 微克/立方公尺 | 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/加侖 | 0.00834540445 lb/gal |
| 盎司/立方英寸 | 0.000578036672 oz/in³ |
| 盎司/加侖 | 0.133526471 oz/gal |
| 公斤/立方公尺 | 0.000000001 kg/m³ |
| 克/立方公分 | 0.000000000001 g/cm³ |
| 克/毫升 | 0.000000000001 g/mL |
| 公斤/公升 | 0.000000000001 kg/L |
| 克/公升 | 0.000000001 g/L |
| 毫克/毫升 | 0.000000001 mg/mL |
| 毫克/公升 | 0.000001 mg/L |
| 微克/立方公尺 | 1 μg/m³ |
| 磅/立方英尺 | 0.0000000000624279606 lb/ft³ |
| 磅/立方英寸 | 3.61273 × 10⁻¹⁴ lb/in³ |
| 磅/加侖 | 0.00000000000834540445 lb/gal |
| 盎司/立方英寸 | 5.78037 × 10⁻¹³ oz/in³ |
| 盎司/加侖 | 0.000000000133526471 oz/gal |