Treadmills tend to show speeds in miles per hour or kilometres per hour, whereas running watches (and runners) tend to work in minutes per mile or minutes per kilometre. Miles per hour (mph or mi/h) is a British imperial and United States customary unit of speed expressing the number of miles travelled in one hour.It is used in the United Kingdom, the United States, and a number of smaller countries, most of which are UK or US territories, or … Kilometers per minute to Miles per hour formula Miles per hour. symbols, abbreviations, or full names for units of length, What is the formula to convert from 15 kmh/h to mp/h? One mph equals exactly 1.609344 kilometers per hour (km/h). inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, The symbol is "kph" or "km/h". 10 miles/hour to km/hour = 16.09344 km/hour. Definition: The unit miles per hour (symbol: mph) is a measurement of speed in the imperial and United States customary systems. To convert any value in kilometers per hour to miles per hour, just multiply the value in kilometers per hour by the conversion factor 0.62137119223733.So, 15.5 kilometers per hour times 0.62137119223733 is equal to 9.631 miles per hour. If the distance was 300 kilometers and it took you 5 hours to cover it, your speed was 300 / 5 = 60 km/h (kilometers per hour). When we talk about a mile or a kilometer we are basically referring the distance that one is able to cover within a specified time of one hour. Quick conversion chart of miles/hour to km/hour, https://www.convertunits.com/contact/remove-some-ads.php. The symbol of kilometre per hour is km/s or km•s−1. To convert from miles per hour to kilometres per hour: Take your speed. This could have happened sometime during the second half of the twentieth century. 10 miles to km = 16.09344 km. 1 miles/hour to km/hour = 1.60934 km/hour, 5 miles/hour to km/hour = 8.04672 km/hour, 10 miles/hour to km/hour = 16.09344 km/hour, 15 miles/hour to km/hour = 24.14016 km/hour, 20 miles/hour to km/hour = 32.18688 km/hour, 25 miles/hour to km/hour = 40.2336 km/hour, 30 miles/hour to km/hour = 48.28032 km/hour, 40 miles/hour to km/hour = 64.37376 km/hour, 50 miles/hour to km/hour = 80.4672 km/hour. miles/hour to speed of sound Kilometer/hour. 25 miles to km = 40.2336 km So for 15 we have: (15 × 15625) ÷ 25146 = 234375 ÷ 25146 = 9.32056788356 Miles per Hour So finally 15 km per hour = 9.32056788356 mph 1 mph = 0.447 04 m/s. h-1. https://www.convertunits.com/contact/remove-some-ads.php. Definition: The unit kilometers per hour (symbol: km/h) is a unit of speed expressing the number of kilometers traveled in one hour. According to the Oxford English Dictionary, the term kilometer first came into use in 1810. 40 miles/hour to km/hour = … On long road trips, knowing how many miles you are averaging per hour can give you an idea of how long it will take to get to your destination.It is also a good indicator if you are taking too many breaks or if traffic has caused delays in your journey. Use this page to learn how to convert between miles/hour and kilometres/hour. Next, let's look at an example showing the work and calculations that are involved in converting from miles per hour to meters per second (mph to m/s). This conversion of 15.09 miles per hour to kilometers per second has been calculated by multiplying 15.09 miles per hour by 0.0004 and the result is 0.0067 kilometers per second. Multiply the value by 0.62. miles/hour to foot/second A distance of one international mile or 1 760 international yards or exactly 1609.344 meters travelled in one hour or exactly 3 600 seconds. History/origin: The unit of kilometers per hour is based on the meter, which was formally defined in 1799. miles/hour to hectometer/hour Our Miles Per Hour Calculator can tell you how many miles you drive in a single stretch. Convert km/h, meters per second and miles per hour Even though these conversions are covered in the Converter on this website, they are so common that they have their own converter. It would be pertinent to mention here that miles per house perhaps came into existence and was used during the 18th century. It would be pertinent to mention here that when we talk about miles per hour or MPH we are referring to a unit of speed which uses the imperial system of units. To make this possible it was decided to make use of the miles per hour to calculate the time taken by these rail coaches to travel from one city/town to another city/town. The unit symbol is km/h or km. ConvertUnits.com provides an online Soon there were trains which were traveling at around 50 miles per hour and passengers not only survived this speed but they also enjoyed it quite a bit. This is a measurement of speed typically used in non-metric countries for transport such as the USA. It revolves around itself and around the sun. As mentioned above, this is commonly used in countries like the United Kingdom and the USA. With the advent of roads during the early 19th century speeds increased quite significantly. conversion calculator for all types of measurement units. How many kilometers per gallon in 48 miles per gallon: If FE mpg-US = 48 then FE km/US gal = 1.609344 × 48 = 77.248512 km/US gal. Mile/Hour : Miles per hour is an imperial unit for speed which defined as the number of statute miles covered in one hour. ›› Quick conversion chart of miles to km. km/hour to miles/hour, or enter any two units below: miles/hour to inch/second mph. What is Kilometers per Hour? Please visit … However, in most American and European nations, people are more aware of mile rather than kilometer. 1 miles/hour to km/hour = 1.60934 km/hour. However, it would be pertinent to mention that mil is still not very widely used and majority is still comfortable using either miles or mph. For quick reference purposes, below is a conversion table that you can use to convert from km/h to mph. 1 km* 1 mi 1.609344 km = 0.6213711922 mi A handy trick if you don’t have a calculator to hand (e.g., you're driving) is to use the Fibonacci sequence (1, 1, 2, 3, 5, 8…). Note: Mile per gallon is an imperial or United States customary unit of fuel consumption. 5 miles/hour to km/hour = 8.04672 km/hour. metres squared, grams, moles, feet per second, and many more! 20 miles to km = 32.18688 km. If we want to calculate how many Miles per Hour are 15 Kilometers per Hour we have to multiply 15 by 15625 and divide the product by 25146. Today in most of these countries, except perhaps a few, whenever speed and distances are measured in imperial systems, they take the trouble to convert it into metric system of calculating speed vis-à-vis distance covered. It expresses the number of statute miles traveled over the period of one hour. You can find metric conversion tables for SI units, as well The earth is in motion. To convert kilometres per hour to miles per hour: Take your speed. You can do the reverse unit conversion from (some results rounded) km/h. While we use them quite regularly, we need to know what exactly the history is behind this. This made the job of coming out with time-table that much easier and simpler. 1 Mile per hour = 1.60934 kilometers per hour = 0.44704 meters per second (SI base unit). The modern abbreviation for mile is mi and this has been brought in to avoid confusion when one refers to metric meter which has an abbreviation of m.