Kilometres per hour (km/h) | Miles per hour (mph) |
---|---|
0 | 0 |
1 | 0.6213711922373 |
2 | 1.2427423844747 |
3 | 1.864113576712 |
4 | 2.4854847689493 |
5 | 3.1068559611867 |
6 | 3.728227153424 |
7 | 4.3495983456613 |
8 | 4.9709695378987 |
9 | 5.592340730136 |
10 | 6.2137119223733 |
20 | 12.427423844747 |
30 | 18.64113576712 |
40 | 24.854847689493 |
50 | 31.068559611867 |
60 | 37.28227153424 |
70 | 43.495983456613 |
80 | 49.709695378987 |
90 | 55.92340730136 |
100 | 62.137119223733 |
1000 | 621.37119223733 |
Here's how to understand and perform conversions between kilometers per hour (km/h) and miles per hour (mph).
Converting between km/h and mph is a common task, especially when traveling or dealing with vehicle speeds. Since both units measure speed, the conversion involves a fixed ratio derived from the definitions of kilometers and miles.
Kilometers per hour to Miles per hour: To convert from km/h to mph, you multiply the value in km/h by the conversion factor. The universally accepted conversion factor is approximately 0.621371.
Miles per hour to Kilometers per hour: Conversely, to convert from mph to km/h, you multiply the value in mph by the reciprocal of the above factor, which is approximately 1.60934.
Start with the value in km/h: 1 km/h
Multiply by the conversion factor:
Therefore, 1 km/h is equal to approximately 0.621371 mph.
Start with the value in mph: 1 mph
Multiply by the conversion factor:
Therefore, 1 mph is equal to approximately 1.60934 km/h.
The need for consistent speed measurements arose with the invention of the automobile. Different countries adopted either the metric system (using kilometers) or the imperial system (using miles). This led to the necessity of these conversions, especially for international travel and trade.
Here are some common real-world conversions from km/h to mph:
Bicycle Speed:
City Driving:
Highway Speed:
Running Speed:
See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the Miles per hour to other unit conversions.
Kilometres per hour (km/h) is a unit of speed, expressing the number of kilometres travelled in one hour. It is a commonly used unit for measuring the speed of vehicles and wind speeds.
Kilometres per hour is a derived unit, formed by combining the units of distance (kilometres) and time (hours).
Therefore, 1 km/h means travelling a distance of 1 kilometre in a time of 1 hour.
Kilometres per hour can be converted to other commonly used units of speed:
Meters per second (m/s): To convert from km/h to m/s, divide by 3.6.
Miles per hour (mph): To convert from km/h to mph, divide by 1.60934.
While no specific scientific "law" is directly tied to km/h, understanding speed and its measurement has been crucial to many scientific advancements. One notable association involves the development of radar technology.
Here are some examples illustrating different speeds in km/h:
Understanding km/h provides a practical way to gauge the rate at which objects are moving, contributing to safety and awareness in various everyday situations.
Here's a breakdown of miles per hour, designed for clarity and SEO:
Miles per hour (mph) is a unit of speed expressing the number of miles traveled in one hour. It is commonly used in the United States and the United Kingdom for measuring the speed of vehicles and other forms of transportation. Understanding mph provides a clear sense of how quickly something is moving.
Miles per hour (mph) is a scalar quantity, meaning it only has magnitude and no direction. It represents the distance covered in miles over a duration of one hour. 1 mph is equivalent to 1.60934 kilometers per hour (km/h).
The unit "miles per hour" is derived from two fundamental units:
Therefore, mph is calculated by dividing the distance traveled in miles by the time taken in hours.
The formula for calculating speed in miles per hour is:
Example: If a car travels 150 miles in 2.5 hours, its speed is:
While there's no specific "law" tied directly to miles per hour, the concept of speed and its measurement has been crucial in transportation and physics.
For a more in-depth understanding of speed and its related concepts, refer to these resources:
Convert 1 km/h to other units | Result |
---|---|
Kilometres per hour to Metres per second (km/h to m/s) | 0.2777777777778 |
Kilometres per hour to Millimeters per hour (km/h to mm/h) | 1000000 |
Kilometres per hour to Miles per hour (km/h to mph) | 0.6213711922373 |
Kilometres per hour to Knots (km/h to knot) | 0.5399570136728 |
Kilometres per hour to Feet per second (km/h to ft/s) | 0.9113446583067 |
Kilometres per hour to Feet per minute (km/h to ft/min) | 54.680839895573 |
Kilometres per hour to Inches per hour (km/h to in/h) | 39377.135122771 |