| 1 picometre | = | 1 pm | = | 10–12m | WAVELENGTH |
| 1 Angstrom | = | 1 Å | = | 10–10m | |
| 1 nanometre | = | 1 nm | = | 10–9m | |
| 1 micrometre | = | 1 μm | = | 10–6m | |
| 1 millimetre | = | 1 mm | = | 10–³m | |
| 1 centimetre | = | 1 cm | = | 10–²m | |
| 1 decimetre | = | 1 dm | = | 10–¹m | |
| 1 kilohertz | = | 1 kHz | = | 10³Hz | FREQUENCY |
| 1 megahertz | = | 1 MHz | = | 106Hz | |
| 1 gigahertz | = | 1 GHz | = | 109Hz | |
| 1 terahertz | = | 1 THz | = | 1012Hz | |
| 1 degree | = | 1° | ANGLE OF VIEW | ||
| 1 degree | = | 60 minutes = 60' | |||
| 1 minute | = | 60 seconds = 60" | |||
| 1 degree | = | 1.745 x 10-2 rad (radians) | |||
| 1 circle | = | 360° = 6.283 rad | |||
| 1 radian | = | 57.29° | |||