1 微克/立方米（μg/m³）等于 0.000000000001 kg/L，1 千克/升（kg/L）等于 1,000,000,000,000 μg/m³。
| 微克/立方米 | 千克/升 |
|---|---|
| 0.01 μg/m³ | 1 × 10⁻¹⁴ kg/L |
| 0.1 μg/m³ | 1 × 10⁻¹³ kg/L |
| 1 μg/m³ | 0.000000000001 kg/L |
| 2 μg/m³ | 0.000000000002 kg/L |
| 3 μg/m³ | 0.000000000003 kg/L |
| 4 μg/m³ | 0.000000000004 kg/L |
| 5 μg/m³ | 0.000000000005 kg/L |
| 6 μg/m³ | 0.000000000006 kg/L |
| 7 μg/m³ | 0.000000000007 kg/L |
| 8 μg/m³ | 0.000000000008 kg/L |
| 9 μg/m³ | 0.000000000009 kg/L |
| 10 μg/m³ | 0.00000000001 kg/L |
| 20 μg/m³ | 0.00000000002 kg/L |
| 30 μg/m³ | 0.00000000003 kg/L |
| 40 μg/m³ | 0.00000000004 kg/L |
| 50 μg/m³ | 0.00000000005 kg/L |
| 60 μg/m³ | 0.00000000006 kg/L |
| 70 μg/m³ | 0.00000000007 kg/L |
| 80 μg/m³ | 0.00000000008 kg/L |
| 90 μg/m³ | 0.00000000009 kg/L |
| 100 μg/m³ | 0.0000000001 kg/L |
| 200 μg/m³ | 0.0000000002 kg/L |
| 300 μg/m³ | 0.0000000003 kg/L |
| 500 μg/m³ | 0.0000000005 kg/L |
| 1,000 μg/m³ | 0.000000001 kg/L |
| 10,000 μg/m³ | 0.00000001 kg/L |
| 千克/立方米 | 0.000000001 kg/m³ |
| 克/立方厘米 | 0.000000000001 g/cm³ |
| 克/毫升 | 0.000000000001 g/mL |
| 千克/升 | 0.000000000001 kg/L |
| 克/升 | 0.000000001 g/L |
| 毫克/毫升 | 0.000000001 mg/mL |
| 毫克/升 | 0.000001 mg/L |
| 微克/立方米 | 1 μg/m³ |
| 磅/立方英尺 | 0.0000000000624279606 lb/ft³ |
| 磅/立方英寸 | 3.61273 × 10⁻¹⁴ lb/in³ |
| 磅/加仑 | 0.00000000000834540445 lb/gal |
| 盎司/立方英寸 | 5.78037 × 10⁻¹³ oz/in³ |
| 盎司/加仑 | 0.000000000133526471 oz/gal |
| 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 |