Speed Conversion
120 km/h is equal to 74.56 mph. This conversion can be calculated using the following formula:

mph = km/h * 0.621371
Applications of Speed Conversion
The conversion of 120 km/h to miles per hour is useful in various applications, including:
- Transportation: Understanding the speed limits in different countries.
- Automotive engineering: Designing vehicles for specific speed ranges.
- Aviation: Calculating aircraft ground speeds and flight times.
- Sports: Determining the speed of athletes, such as runners and cyclists.
- Navigation: Converting between kilometers and miles on maps and GPS devices.
Creative Applications
In addition to the practical applications, the conversion of 120 km/h to miles per hour can also inspire creative ideas, such as:
- Land speed record attempts: Pushing the limits of human-powered or motorized vehicles.
- Extreme sports: Exploring the capabilities of vehicles and athletes in high-speed environments.
- Transportation innovation: Developing new methods of transportation that exceed current speed limits.
Tables
Conversion Table
Kilometers per hour (km/h) | Miles per hour (mph) |
---|---|
10 | 6.21 |
20 | 12.43 |
30 | 18.64 |
40 | 24.85 |
50 | 31.07 |
60 | 37.28 |
70 | 43.49 |
80 | 49.71 |
90 | 55.92 |
100 | 62.14 |
110 | 68.35 |
120 | 74.56 |
130 | 80.78 |
140 | 87.00 |
150 | 93.21 |
Speed Limit Comparison Table
Country | Urban Speed Limit (km/h) | Rural Speed Limit (km/h) |
---|---|---|
United States | 35-55 | 65-85 |
United Kingdom | 32 | 60-70 |
Canada | 50 | 80-100 |
Germany | 50 | 100-130 (autobahns) |
Japan | 40 | 60-100 |
Australia | 50 | 90-110 |
Automotive Performance Table
Vehicle | 0-60 mph (seconds) | Top Speed (mph) |
---|---|---|
Tesla Model S Plaid | 1.99 | 200 |
Bugatti Chiron Pur Sport | 2.3 | 273 |
Koenigsegg Jesko Absolut | 2.5 | 277 |
Aston Martin Valkyrie | 2.5 | 205 |
Lamborghini Aventador SVJ | 2.6 | 217 |
Ferrari SF90 Stradale | 2.5 | 211 |
Aviation Speed Table
Aircraft | Maximum Speed (km/h) | Maximum Speed (mph) |
---|---|---|
Boeing 747-8 | 988 | 614 |
Airbus A380 | 945 | 587 |
Lockheed Martin F-35 Lightning II | 1,931 | 1,200 |
Eurofighter Typhoon | 2,495 | 1,550 |
Sukhoi Su-57 | 2,600 | 1,615 |
Effective Strategies
- Use a conversion calculator: There are many online and mobile apps that can perform speed conversions quickly and easily.
- Memorize common conversions: For frequently used conversions, such as 120 km/h to miles per hour, memorize the conversion factor or value.
- Estimate the conversion: If an exact conversion is not needed, estimate the conversion by rounding the kilometers per hour value to the nearest multiple of 10 and then multiplying by 0.62.
Step-by-Step Approach
- Identify the starting speed in kilometers per hour (km/h).
- Multiply the km/h value by 0.621371.
- The result is the speed in miles per hour (mph).
FAQs
-
How many kilometers per hour are equal to 100 mph?
– 160.93 km/h -
What is the speed limit on the German Autobahn?
– 100-130 km/h (autobahns) -
How fast can a Boeing 747-8 fly?
– 988 km/h -
What is the top speed of a Bugatti Chiron Pur Sport?
– 273 mph -
How can I convert 120 km/h to mph using a calculator?
– Use an online or mobile conversion calculator, enter 120 in the km/h field, and select the mph conversion option. -
Can I use a smartphone app to convert speeds?
– Yes, there are many smartphone apps available that can perform speed conversions. -
What is the estimated conversion of 120 km/h to mph?
– Approximately 75 mph -
How does the speed of sound compare to 120 km/h?
– The speed of sound in air at sea level is approximately 1,235 km/h, which is about 10 times faster than 120 km/h.