km/h to mph
Convert km/h to mph and back. For speed limits abroad and imported dashboards.
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Common values
Formula
mph = km/h × 0.6213711922
A US highway 65 mph is about 105 km/h. If your rental car reads in mph, it is easy to speed without noticing.
Frequently asked questions
QHow many mph is 1 km/h?
1 km/h is 0.62 mph, and 10 km/h is 6.21 mph. Type any value in the box above to convert instantly.
QAnd how many km/h is 1 mph?
1 mph is 1.61 km/h. This converter works both ways, so typing in the right box updates the left one.
QWhere is this unit used?
A US highway 65 mph is about 105 km/h. If your rental car reads in mph, it is easy to speed without noticing.
Other converters
Traditional units (geun, doe, majigi and so on) vary by region and product.