Speedometer km/h to mph Converter
Quickly convert between kilometers per hour and miles per hour.
Includes common speed references for driving in different countries.
Speed Conversion
km/h and mph are the two main speed units used worldwide.
Conversion formulas:
mph = km/h × 0.6214
km/h = mph × 1.6093
Common speed limit conversions:
| km/h | mph | Typical Use |
|---|---|---|
| 30 | 19 | School zones |
| 50 | 31 | Urban/city roads |
| 60 | 37 | City roads |
| 80 | 50 | Rural/suburban |
| 100 | 62 | Highways |
| 110 | 68 | Highways (many countries) |
| 120 | 75 | Motorways (Europe) |
| 130 | 81 | Autobahn advisory (Germany) |
Which countries use which:
- km/h: Most of the world (Europe, Asia, Africa, South America, Australia)
- mph: USA, UK, Myanmar, Liberia