Convert Quilômetro / hora (km/h) to Milha / hora (mph)
Use our interactive speed calculator to convert any value in real time, in both directions.
About the Quilômetro / hora → Milha / hora conversion
Conversions of speed are essential in many everyday and technical contexts. Using consistent units and accurate factors ensures precise results.
The exact factor between Quilômetro / hora and Milha / hora is 0.62137119. This means that 1 km/h equals 0.62137119 mph. To convert any value, just multiply. For the reverse direction, divide.
Formula
Conversion table
| Quilômetro / hora (km/h) | Milha / hora (mph) |
|---|---|
| 1 | 0.6214 |
| 2 | 1.2427 |
| 5 | 3.1069 |
| 10 | 6.2137 |
| 25 | 15.5343 |
| 50 | 31.0686 |
| 100 | 62.1371 |
| 250 | 155.3428 |
| 500 | 310.6856 |
| 1000 | 621.3712 |
Reverse conversion
1 mph = 1.60934399 km/h
Frequently asked questions
How do I convert Quilômetro / hora to Milha / hora?
Multiply the value in km/h by the factor 0.62137119. That is, 1 km/h = 0.62137119 mph. For the reverse conversion, use the factor 1.60934399.
What is the difference between Quilômetro / hora and Milha / hora?
Both measure speed, but on different scales. Quilômetro / hora is used in some contexts while Milha / hora in others. To compare, always use the conversion factor: 1 km/h = 0.62137119 mph.
Are the factors used official?
Yes. The conversion factors come from the International System of Units (SI) and recognized international standards (NIST, BIPM). The result is accurate for technical, scientific, and commercial use.
Can I print this page?
Yes. The page is static and prints well in any browser. The table of common values is useful as a printed reference for workshops, kitchens, and classrooms.
Full converter with interactive calculator
Prefer to type the value and see the result live? Use the interactive converter:
Km/h para Milhas/h — interactive calculator