Speed Conversion

Miles per Hour to Kilometers per Hour Converter

Instantly convert Miles per Hour (mph) to Kilometers per Hour (km/h). Useful when following US driving guides, baseball pitch speeds, or converting US car specs to metric.

Result
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Quick Reference

How to Convert Miles per Hour to Kilometers per Hour

To convert Miles per Hour to Kilometers per Hour, use this formula:

km/h = mph × 1.60934

Example: Converting 60 mph to Kilometers per Hour gives you 96.561 km/h. Just enter your own value in the converter above for an instant result.

Miles per Hour to Kilometers per Hour Conversion Table

Common Miles per Hour to Kilometers per Hour values at a glance — use this as a quick lookup reference:

Miles per Hour (mph)Kilometers per Hour (km/h)
10 mph16.0934 km/h
20 mph32.1868 km/h
30 mph48.2802 km/h
45 mph72.4203 km/h
55 mph88.5137 km/h
60 mph96.5604 km/h
65 mph104.61 km/h
70 mph112.65 km/h
80 mph128.75 km/h
100 mph160.93 km/h
200 mph321.87 km/h

When to Use Miles per Hour to Kilometers per Hour Conversion

Useful when following US driving guides, baseball pitch speeds, or converting US car specs to metric. Here are the most common scenarios where you will need this conversion:

About Miles per Hour and Kilometers per Hour

One mile per hour equals exactly 1.609344 kilometers per hour. Mph is the standard speed unit in the United States and United Kingdom, while km/h is used almost everywhere else. Converting mph to km/h is essential for international travelers visiting North America, fans watching US sports (a 95 mph baseball fastball equals about 153 km/h), and anyone buying a US-market vehicle. The conversion is also crucial in aviation, where both units are sometimes used alongside knots.

Related Speed Conversions

All Miles per Hour to Kilometers per Hour Values

Click any specific value below for a dedicated conversion page with formula, table, and nearby values: