The following table converts traditional electromagnetic units into equivalent natural units of length, mass, and time.
| EM unit | Symbol | Conversion | MKS units |
|---|---|---|---|
| coulomb | C | 2.874 495 x 10-26 | s |
| ampere | A | 2.874 495 x 10-26 | dimensionless |
| volt | V | 3.478 872 x 1025 | kgm2s-3 |
| tesla | T | 3.478 872 x 1025 | kgs-2 |
| weber | Wb | 3.478 871 x 1025 | kgm2s-2 |
| ohm |  | 1.210 255 x 1051 | kgm2s-3 |
| henry | H | 1.210 255 x 1051 | kgm2s-2 |
| farad | F | 8.262 723 x 10-52 | s4kg-1m-2 |
| siemen | S | 8.262 720 x 10-52 | s3kg-1m-2 |