# Miles Per Hour To Kilometers Per Hour Conversion

mph

1 mph = 1.60934400009669 km/h

Want to convert from kilometers per hour to miles per hour instead?

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## How to convert miles per hour to kilometers per hour (mph to km/h)

The formula for converting miles per hour to kilometers per hour is: km/h = mph × 1.60934400009669. To calculate the mile per hour value in kilometers per hour first substitute the mile per hour value into the preceding formula, and then perform the calculation. If we wanted to calculate 1 mile per hour in kilometers per hour we follow these steps:

km/h = mph × 1.60934400009669

km/h = 1 × 1.60934400009669

km/h = 1.60934400009669

In other words, 1 mile per hour is equal to 1.60934400009669 kilometers per hour.

## Example Conversion

Let's take a look at an example. The step-by-step process to convert 2 miles per hour to kilometers per hour is:

1. Understand the conversion formula: km/h = mph × 1.60934400009669
2. Substitute the required value. In this case we substitute 2 for mph so the formula becomes: km/h = 2 × 1.60934400009669
3. Calculate the result using the provided values. In our example the result is: 2 × 1.60934400009669 = 3.21868800019338 km/h

In summary, 2 miles per hour is equal to 3.21868800019338 kilometers per hour.

## Converting kilometers per hour to miles per hour

In order to convert the other way around i.e. kilometers per hour to miles per hour, you would use the following formula: mph = km/h × 0.6213711922. To convert kilometers per hour to miles per hour first substitute the kilometer per hour value into the above formula, and then execute the calculation. If we wanted to calculate 1 kilometer per hour in miles per hour we follow these steps:

mph = km/h × 0.6213711922

mph = 1 × 0.6213711922

mph = 0.6213711922

Or in other words, 1 kilometer per hour is equal to 0.6213711922 miles per hour.

## Conversion Unit Definitions

### What is a Mile Per Hour?

Mile per hour (abbreviated as mph) is a unit of speed commonly used in countries that follow the imperial system of measurement, such as the United States and the United Kingdom. It measures the distance traveled in miles divided by the time taken in hours.
The mile, which is the primary unit in this measurement, is an imperial unit of length equal to 5,280 feet or approximately 1.609 kilometers. It originated from ancient Roman measurements and has been widely adopted in various English-speaking countries.
The hour, the unit of time in this measurement, is a standard unit of time equal to 60 minutes or 3,600 seconds. It is used to quantify the duration of an event or the time taken to travel a certain distance.
To better understand mile per hour, let's consider an example. Imagine a car traveling at a constant speed of 60 mph. This means that for every hour, the car covers a distance of 60 miles. In practical terms, if the car maintains this speed for 4 hours, it would have traveled a total distance of 240 miles.
Mile per hour is widely used to measure the speed of vehicles, such as cars, motorcycles, trucks, and airplanes, on roads, highways, and runways. Speed limit signs, traffic reports, and vehicle speedometers often display speeds in miles per hour.
It's important to note that mile per hour is not the sole unit of speed used globally. Many countries, particularly those that follow the metric system, use kilometers per hour (km/h) as their primary unit of speed. Conversion between mile per hour and kilometer per hour can be done using the conversion factor of approximately 1.609.
In summary, mile per hour is a unit of speed used in countries that follow the imperial system of measurement. It represents the distance traveled in miles divided by the time taken in hours and is commonly used to measure the speed of vehicles. Understanding and converting between different speed units, such as mile per hour and kilometer per hour, is essential for international travel and communication.

### What is a Kilometer Per Hour?

Kilometers per hour (km/h) is a unit of linear velocity measurement. It represents the rate at which an object or particle travels a distance of one kilometer in one hour. Kilometers per hour is commonly used to quantify speeds or rates of movement over longer time intervals.
To provide a detailed example of kilometers per hour, let's consider a car traveling on a highway. If the car covers a distance of 60 kilometers in one hour, then its velocity would be 60 km/h. This means that the car is moving at a speed of 60 kilometers per hour.
Kilometers per hour is widely used in everyday life for measuring and comparing the speeds of vehicles, such as cars, motorcycles, or bicycles. It allows us to estimate travel times, assess the efficiency of transportation, and comply with speed limits.
In the field of sports, kilometers per hour is often used to measure the speed of athletes in various disciplines, such as running, cycling, or racing. It provides a standardized unit to compare and analyze their performances.
Kilometers per hour is also relevant in fields like meteorology or wind engineering, where wind speeds are measured and reported in terms of kilometers per hour. It helps in assessing weather conditions, understanding airflow patterns, or designing structures to withstand wind loads.
It's important to note that kilometers per hour can be converted to other units of velocity. For example, 1 km/h is approximately equal to 0.2778 meters per second (m/s) or 0.6214 miles per hour (mph).
In summary, kilometers per hour (km/h) is a unit of linear velocity measurement, representing the rate at which an object or particle travels a distance of one kilometer in one hour. It is commonly used to quantify speeds or rates of movement over longer time intervals. Kilometers per hour finds applications in transportation, sports, meteorology, and various other fields where speed measurements are necessary.

## Miles Per Hour To Kilometers Per Hour Conversion Table

Below is a lookup table showing common miles per hour to kilometers per hour conversion values.

Mile Per Hour (mph)Kilometer Per Hour (km/h)
1 mph1.60934400009669 km/h
2 mph3.21868800019338 km/h
3 mph4.82803200029007 km/h
4 mph6.43737600038676 km/h
5 mph8.04672000048345 km/h
6 mph9.65606400058014 km/h
7 mph11.26540800067683 km/h
8 mph12.87475200077352 km/h
9 mph14.48409600087021 km/h
10 mph16.0934400009669 km/h
11 mph17.70278400106359 km/h
12 mph19.31212800116028 km/h
13 mph20.92147200125697 km/h