mph to kph – Speed Converter
Convert miles per hour to kilometers per hour and vice versa.
About This Calculator
Convert miles per hour to kilometers per hour and vice versa. Use the calculator above for instant results.
Worked Examples
Example 1: 60 mph
- 60 × 1.60934 = 96.56 kph | US highway speed
Answer: 96.56 kph
Example 2: 100 kph / 62.1 mph
- Common European highway speed limit
Answer: 62.1 mph
Example 3: 55 mph
- 55 × 1.60934 = 88.51 kph
Answer: 88.51 kph
Who Uses This Calculator?
Drivers
Convert speed limits between countries.
Travelers
Understand foreign speed limits.
Athletes
Convert running and cycling speeds.
Students
Physics speed unit conversion.
Common Mistakes to Avoid
❌ mph vs kph on GPS
Set your navigation to display speed in local units. Forgetting can cause exceeding speed limits abroad.
❌ kph vs km/h
Both mean the same thing — kilometers per hour. kph is the informal abbreviation.
Frequently Asked Questions
mph to kph formula?
Multiply by 1.60934. 60 mph = 96.56 kph.
Common speed conversions?
30 mph = 48.3 kph. 50 mph = 80.5 kph. 65 mph = 104.6 kph. 100 mph = 160.9 kph.
Knots to mph?
1 knot = 1.15078 mph. Used in aviation and marine navigation.