Elektrotechnik: SI-Vorsätze (DIN 1301)
| Vorsatz- zeichen | Vorsatz- benennung | Faktor | Beispiele |
| a | Atto | 10-18 | 1 Attometer = 1 am = 0.000 000 000 000 000 001 m |
| f | Femto | 10-15 | 1 Femtometer = 1 fm = 0.000 000 000 000 001 m |
| p | Piko | 10-12 | 1 Pikometer = 1 pm = 0.000 000 000 001 m |
| n | Nano | 10-9 | 1 Nanometer = 1 nm = 0.000 000 001 m |
| μ | Mikro | 10-8 | 1 Mikrometer = 1 μm = 0.000 001 m |
| m | Milli | 10-3 | 1 Millimeter = 1 mm = 0.001 m |
| c | Zenti | 10-2 | 1 Zentimeter = 1 cm = 0.01 m |
| d | Dezi | 10-1 | 1 Dezimeter = 1 dm = 0.1 m |
| da | Deka | 101 | 1 Dekameter = 1 dm = 10 m |
| h | Hekto | 102 | 1 Hektometer = 1 hm = 100 m |
| k | Kilo | 103 | 1 Kilometer = 1 km = 1000 m |
| M | Mega | 106 | 1 Megameter = 1 Mm = 1000 000 m |
| G | Giga | 109 | 1 Gigameter = 1 Gm = 1000 000 000 m |
| T | Tera | 1012 | 1 Terameter = 1 Tm = 1000 000 000 000 m |
| P | Peta | 1015 | 1 Petameter = 1 Pm = 1000 000 000 000 000 m |
| E | Exa | 1018 | 1 Exameter = 1 Em = 1000 000 000 000 000 000 m |