This follows from the definition of a mile as 5280 feet, the definition of a feet as 0.3044 meters, and the definition of a kilometer as 1,000 meters. One kilometer is equivalent to 0.6214 miles. ), but "km/h" is the SI unit symbol. Kilometers per hour and miles per hour are both units used to measure speed.

Try it out with 3.107 miles, which from the previous problem you know is equal to 5 kilometers: There's just one problem here: How do you know if you should be dividing or multiplying by the conversion factor? We are not to be held responsible for any resulting damages from proper or improper use of the service. Miles conversion. See our full terms of service. [2], Kilometers per hour can be expressed using the formula: The difference between them is that the mile is a part of the imperial unit system, used in several countries like the United States and the United Kingdom, while the kilometer is a unit from the metric system. Kilometer.

You can easily verify it using our km to mi converter above. Imagine that you're being asked to convert 5 kilometers into miles.

Mile/hour. 1 km to miles = 0.62137 miles. Both kilometers and miles are units for measuring distances and they are of comparable magnitude so using a kilometer to mile converter often makes a lot of sense.

For example, here's how to convert 5 kilometers per hour to miles per hour using the formula above. 10 km / 1.6093 = 6.213712 miles

Lisa studied mathematics at the University of Alaska, Anchorage, and spent several years tutoring high school and university students through scary -- but fun! The kilometer per hour, or kilometre per hour, is an SI unit of speed in the metric system. Note that rounding errors may occur, so always check the results.

Since one kilometer per hour is equal to 1.609344 miles per hour,[1] that's the conversion ratio used in the formula. Life didn’t used to be so easy, but now all you have to do is google something like “kilometers per light year” to find that 1 light-year is about 9.46 x 10 12 kilometers—which is a lot of kilometers—almost 10-million million of them! Mile is a unit of length that equals 5280 feet, 1760 yards, or about 1609 meters. There are many abbreviations for the unit kilometers per hour (kph, kmph, k.p.h, KMph., etc. Convert miles to kilometers by multiplying the number of miles by 1.6, since there are 1.6 kilometers in a mile. That gives you: This time your result (in miles) is a smaller number than the kilometers you started with, which means you chose the right operation for your conversion. https://www.gigacalculator.com/converters/convert-kilometers-to-miles.php. History/origin: The prefix kilo- is a metric prefix indicating one thousand. His words were, “Multiply the number of kilometers by six and drop the last digit.” For example, if a sign indicates your destination is 350 kilometers away, multiplying by six yields 2,100. It's also a vital skill if you work in a science field where the metric system predominates, or if you participate in footraces, cycling races or competitive rowing, all sports in which distances are usually given in kilometers. So, if you're being asked to convert km to miles, you'd do this multiplication: The conversion factor for converting kilometers to miles is 0.62137119, but for most purposes, being accurate to four decimal places is enough – so usually you'll use 0.6214 as your conversion factor. Our online converter above will be of great assistance, as it is easy to use, has a quick copy button to …

One kilometer is therefore one thousand meters. To convert from kilometers to miles, divide the measurement in km by 1.609344 to get the equivalent in miles. In this case miles are longer than kilometers, so if you convert from miles to kilometers, you should end up with a bigger number.

Definition: The unit miles per hour (symbol: mph) is a measurement of speed in the imperial and United States customary systems. Definition: A kilometer (symbol: km) is a unit of length in the International System of Units (SI). Enter the speed in kilometers per hour below to get the value converted to miles per hour. So if you multiplied by 0.6214 to convert from kilometers to miles, you'll divide by 0.6214 to convert from miles to kilometers. So, 20 miles is 32 kilometers because 20 x 1.6 = 32 kilometers. Miles per hour can be expressed using the formula: The fastest way to convert kilometers per hour to miles per hour is to use this simple formula: The speed in miles per hour is equal to the speed in kilometers per hour divided by 1.609344. People are giving you some very precise answers and that’s great. Kilometers per hour can be abbreviated as km/h, and are also sometimes abbreviated as kph. You already know how many kilometers you're being asked to convert, and you know the conversion factor; so all you have to do is fill them into the conversion formula: Once you do the multiplication, you'll have your answer: If you've ever run or walked in a mid-distance race, this is probably a familiar number; 5k or 3.1 miles is a very popular race distance. If you've double-checked your conversion factor and are sure you got it right, that means you should be multiplying instead. Sample task: convert 10 kilometers to miles.

End result: But it's also very common to look up conversion factors in a reference book or your notes. So, if you need to find the approximate number of kilometers in 10 miles, just multiply 10 by 1.6 to find that 10 miles is 1.6 * 10 ≈ 16 kilometers. If you need to do this conversion on the fly I recommend converting from kilometers to miles using 5/8 (and vice versa with the reciprocal, 8/5). -- math subjects like algebra and calculus. The Roman mile was 5,000 long, and there were other miles like the English mile, Irish mile, Italian mile, etc.

Any time you're asked to convert from one unit of length to another, all you have to do is multiply the first unit by the appropriate conversion factor. Miles per hour are a measurement of speed expressing the distance traveled in miles in one hour.[3]. If you have reason to convert kilometers to miles, you'll probably need to do conversions in the other direction, too: going from miles to kilometers. Use this page to learn how to convert between kilometres and miles. kilometers per hour to kilometers per second, kilometers per hour to centimeters per second, convert miles per hour to kilometers per hour. RapidTables: Kilometers to Miles Conversion.

Because most other countries in the world use kilometers instead, knowing how to convert from kilometers to miles – and then back again – comes in handy when you travel.

If you live in the United States, the United Kingdom or their territories, you're in one of the only countries that still uses miles as the standard measure for speed and distance. Well, you’re in luck because Google can help with that. Miles per hour can be abbreviated as mph, and are also sometimes abbreviated as mi/h or MPH.

If you need a more accurate number, multiply by 1.60934 instead. For example, 1 mile per hour can be written as 1 mph, 1 mi/h, or 1 MPH. Calculation: The velocity in miles per hour is equal to the distance in miles divided by time in hours. that corresponded to different distance in different time periods and locations. But you know miles are longer than kilometers, so your result should be smaller than what you started with, not bigger. The mile per hour is a US customary and imperial unit of speed. [2] International Organization for Standardization (1993). While the kilometer is a modern unit, the mile has a long history, dating back at least far as the Romans. How to Use Google to Convert Units. Keep reading to learn more about each unit of measure. Geneva: ISO.

Type in your own numbers in the form to convert the units! Our online calculators, converters, randomizers, and content are provided "as is", free of charge, and without any warranty or guarantee. If you'd like to cite this online converter resource and information as provided on the page, you can use the following citation: Georgiev G.Z., "Km to Miles Converter", [online] Available at: https://www.gigacalculator.com/converters/convert-kilometers-to-miles.php URL [Accessed Date: 20 Oct, 2020]. Context is very important when you're deciding which decimal place to round to.

There are 1.609344 kilometers in a mile. If you go the other way, from kilometers to miles, you should end up with a smaller number. The simplest way to do this is to perform the inverse of the operation you used to go from kilometers to miles. For example, 1 kilometer per hour can be written as 1 km/h or 1 kph. You'll probably need to memorize conversion factors for tests and quizzes, and any conversions you do frequently in school or in real life are likely to stick in your head. Get hassle-free estimates from local home improvement professionals and find out how much your project will cost. Unless it's against the rules of a test, it's always better to double-check a conversion factor – and be certain you're correct – than to guess. Either way, it can be confusing. If you have reason to convert kilometers to miles, you'll probably need to do conversions in the other direction, too: going from miles to kilometers. To convert from kilometers to miles, divide the measurement in km by 1.609344 to get the equivalent in miles. Kilometers per hour are a measurement of speed expressing the distance traveled in kilometers in one hour.



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