1 毫安时（mAh）等于 2.24694 × 10¹⁹ e，1 元电荷（e）等于 4.45049 × 10⁻²⁰ mAh。
| 毫安时 | 元电荷 |
|---|---|
| 0.01 mAh | 2.24694 × 10¹⁷ e |
| 0.1 mAh | 2.24694 × 10¹⁸ e |
| 1 mAh | 2.24694 × 10¹⁹ e |
| 2 mAh | 4.49389 × 10¹⁹ e |
| 3 mAh | 6.74083 × 10¹⁹ e |
| 4 mAh | 8.98777 × 10¹⁹ e |
| 5 mAh | 1.12347 × 10²⁰ e |
| 6 mAh | 1.34817 × 10²⁰ e |
| 7 mAh | 1.57286 × 10²⁰ e |
| 8 mAh | 1.79755 × 10²⁰ e |
| 9 mAh | 2.02225 × 10²⁰ e |
| 10 mAh | 2.24694 × 10²⁰ e |
| 20 mAh | 4.49389 × 10²⁰ e |
| 30 mAh | 6.74083 × 10²⁰ e |
| 40 mAh | 8.98777 × 10²⁰ e |
| 50 mAh | 1.12347 × 10²¹ e |
| 60 mAh | 1.34817 × 10²¹ e |
| 70 mAh | 1.57286 × 10²¹ e |
| 80 mAh | 1.79755 × 10²¹ e |
| 90 mAh | 2.02225 × 10²¹ e |
| 100 mAh | 2.24694 × 10²¹ e |
| 200 mAh | 4.49389 × 10²¹ e |
| 300 mAh | 6.74083 × 10²¹ e |
| 500 mAh | 1.12347 × 10²² e |
| 1,000 mAh | 2.24694 × 10²² e |
| 10,000 mAh | 2.24694 × 10²³ e |
| 库仑 | 3.6 C |
| 毫库仑 | 3,600 mC |
| 微库仑 | 3,600,000 μC |
| 纳库仑 | 3,600,000,000 nC |
| 安时 | 0.001 Ah |
| 毫安时 | 1 mAh |
| 元电荷 | 2.24694 × 10¹⁹ e |
| 库仑 | 1.60218 × 10⁻¹⁹ C |
| 毫库仑 | 1.60218 × 10⁻¹⁶ mC |
| 微库仑 | 1.60218 × 10⁻¹³ μC |
| 纳库仑 | 0.000000000160217663 nC |
| 安时 | 4.45049 × 10⁻²³ Ah |
| 毫安时 | 4.45049 × 10⁻²⁰ mAh |
| 元电荷 | 1 e |