Unit Converter
Conversion formula
The conversion factor from miles per hour to kilometers per hour is 1.6093439999987, which means that 1 mile per hour is equal to 1.6093439999987 kilometers per hour:
1 mph = 1.6093439999987 km/h
To convert 18 miles per hour into kilometers per hour we have to multiply 18 by the conversion factor in order to get the velocity amount from miles per hour to kilometers per hour. We can also form a simple proportion to calculate the result:
1 mph → 1.6093439999987 km/h
18 mph → V(km/h)
Solve the above proportion to obtain the velocity V in kilometers per hour:
V(km/h) = 18 mph × 1.6093439999987 km/h
V(km/h) = 28.968191999977 km/h
The final result is:
18 mph → 28.968191999977 km/h
We conclude that 18 miles per hour is equivalent to 28.968191999977 kilometers per hour:
18 miles per hour = 28.968191999977 kilometers per hour
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer per hour is equal to 0.034520621790991 × 18 miles per hour.
Another way is saying that 18 miles per hour is equal to 1 ÷ 0.034520621790991 kilometers per hour.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that eighteen miles per hour is approximately twenty-eight point nine six eight kilometers per hour:
18 mph ≅ 28.968 km/h
An alternative is also that one kilometer per hour is approximately zero point zero three five times eighteen miles per hour.
Conversion table
miles per hour to kilometers per hour chart
For quick reference purposes, below is the conversion table you can use to convert from miles per hour to kilometers per hour
miles per hour (mph) | kilometers per hour (km/h) |
---|---|
19 miles per hour | 30.578 kilometers per hour |
20 miles per hour | 32.187 kilometers per hour |
21 miles per hour | 33.796 kilometers per hour |
22 miles per hour | 35.406 kilometers per hour |
23 miles per hour | 37.015 kilometers per hour |
24 miles per hour | 38.624 kilometers per hour |
25 miles per hour | 40.234 kilometers per hour |
26 miles per hour | 41.843 kilometers per hour |
27 miles per hour | 43.452 kilometers per hour |
28 miles per hour | 45.062 kilometers per hour |