Kilometers to Miles Calculator
Formulas Explanations:
Kilometers to Miles Conversion Formula:
The basic formula to convert kilometers (km) to miles (mi) is:
miles = kilometers × 0.621371
Breakdown of the Formula:
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Kilometers to Miles Conversion Factor:
The number 0.621371 is the conversion factor that translates kilometers to miles. This means: 1 kilometer is approximately equal to 0.621371 miles. This factor is derived from the definition of a mile in relation to kilometers: 1 mile = 1.60934 kilometers.
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Application of the Formula:
To find the number of miles from a given distance in kilometers, multiply the kilometers by the conversion factor. For example, if you have 5 kilometers:
miles = 5 km × 0.621371 ≈ 3.106855 mi
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Rounding:
The result can be rounded to a desired number of decimal places for clarity or ease of understanding. In the JavaScript code, the result is rounded to two decimal places.
Why Use This Formula?
- Common Use: The conversion from kilometers to miles is common in various contexts, such as travel, fitness (running distances), and geography.
- Accuracy: Using the precise conversion factor ensures accuracy when converting distances between the metric system (kilometers) and the imperial system (miles).
Example Calculation:
To illustrate the conversion further, let’s use an example:
Convert 10 kilometers to miles:
miles = 10 km × 0.621371 = 6.21371 miRounding to two decimal places gives: miles ≈ 6.21 mi
Conclusion:
This formula provides a straightforward method to convert distances between kilometers and miles. It’s widely applicable and essential for many everyday scenarios involving distance measurement.
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