Speed Converter (km/h, m/s, mph, knots)
About Speed Converter (km/h, m/s, mph, knots)
The Speed Converter helps you instantly convert between different speed units like kilometers per hour (km/h), meters per second (m/s), miles per hour (mph), and knots. It’s an essential tool for students, pilots, engineers, and drivers who need quick and accurate unit conversions.
Speed Conversion Formulas›
1 m/s = 3.6 km/h 1 km/h = 0.6214 mph 1 knot = 1.852 km/h 1 mph = 1.609 km/h
These conversion ratios are based on international standards used in physics, aviation, and navigation. For example, 1 knot equals one nautical mile per hour, commonly used in marine and air transport.
Example:
Input: Convert 100 km/h to mph
Output: 100 × 0.6214 = 62.14 mph
Steps to Use:
- Enter the speed value you want to convert.
- Select the current unit (km/h, m/s, mph, or knots).
- Choose the target unit for conversion.
- Click 'Convert' to view the result instantly.
Frequently Asked Questions
What is the difference between km/h, mph, and m/s?›
All are units of speed. Kilometers per hour (km/h) is used globally, miles per hour (mph) is used mainly in the US and UK, and meters per second (m/s) is standard in physics.
How is speed converted between these units?›
Conversion is done using standard formulas. For example, to convert from km/h to m/s, divide by 3.6. To convert mph to km/h, multiply by 1.609.
What are knots used for?›
Knots are used in aviation and maritime contexts. 1 knot equals 1.852 km/h or roughly 1.151 mph.
Can I use this calculator for both small and large values?›
Yes. The converter supports all ranges of speed — from walking pace to aircraft and spacecraft speeds.
Is this tool accurate for scientific use?›
Yes. It uses standard conversion constants accepted internationally for engineering, physics, and transportation applications.