浓度（质量）是指组成部分的质量除以混合物的总体积。它通常以每立方米（kg/m³）公斤（千克）进行测量。
1 mg/kg = 1,000,000 µg/L
1 µg/L = 1.0000e-6 mg/kg
例子:
将15 毫克每公斤转换为微克每升：
15 mg/kg = 15,000,000 µg/L
| 毫克每公斤 | 微克每升 |
|---|---|
| 0.01 mg/kg | 10,000 µg/L |
| 0.1 mg/kg | 100,000 µg/L |
| 1 mg/kg | 1,000,000 µg/L |
| 2 mg/kg | 2,000,000 µg/L |
| 3 mg/kg | 3,000,000 µg/L |
| 5 mg/kg | 5,000,000 µg/L |
| 10 mg/kg | 10,000,000 µg/L |
| 20 mg/kg | 20,000,000 µg/L |
| 30 mg/kg | 30,000,000 µg/L |
| 40 mg/kg | 40,000,000 µg/L |
| 50 mg/kg | 50,000,000 µg/L |
| 60 mg/kg | 60,000,000 µg/L |
| 70 mg/kg | 70,000,000 µg/L |
| 80 mg/kg | 80,000,000 µg/L |
| 90 mg/kg | 90,000,000 µg/L |
| 100 mg/kg | 100,000,000 µg/L |
| 250 mg/kg | 250,000,000 µg/L |
| 500 mg/kg | 500,000,000 µg/L |
| 750 mg/kg | 750,000,000 µg/L |
| 1000 mg/kg | 1,000,000,000 µg/L |
| 10000 mg/kg | 10,000,000,000 µg/L |
| 100000 mg/kg | 100,000,000,000 µg/L |
规则