电荷是物质的基本特性，它在放置在电磁场中时会经历力。它是在库罗姆斯（C）中测量的。
1 µA = 6,241,509,074,460.763 e
1 e = 1.6022e-13 µA
例子:
将15 微安转换为基本费用：
15 µA = 93,622,636,116,911.44 e
| 微安 | 基本费用 |
|---|---|
| 0.01 µA | 62,415,090,744.608 e |
| 0.1 µA | 624,150,907,446.076 e |
| 1 µA | 6,241,509,074,460.763 e |
| 2 µA | 12,483,018,148,921.525 e |
| 3 µA | 18,724,527,223,382.29 e |
| 5 µA | 31,207,545,372,303.812 e |
| 10 µA | 62,415,090,744,607.625 e |
| 20 µA | 124,830,181,489,215.25 e |
| 30 µA | 187,245,272,233,822.88 e |
| 40 µA | 249,660,362,978,430.5 e |
| 50 µA | 312,075,453,723,038.1 e |
| 60 µA | 374,490,544,467,645.75 e |
| 70 µA | 436,905,635,212,253.4 e |
| 80 µA | 499,320,725,956,861 e |
| 90 µA | 561,735,816,701,468.6 e |
| 100 µA | 624,150,907,446,076.2 e |
| 250 µA | 1,560,377,268,615,190.8 e |
| 500 µA | 3,120,754,537,230,381.5 e |
| 750 µA | 4,681,131,805,845,572 e |
| 1000 µA | 6,241,509,074,460,763 e |
| 10000 µA | 62,415,090,744,607,624 e |
| 100000 µA | 624,150,907,446,076,300 e |
规则