💨 Speed Converter
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💡 How to Work
This converter quickly calculates equivalent speeds between metric (km/h, m/s) and imperial (mph, ft/s) units, as well as specialized units like knots.
- Enter the numerical **Speed Value** you want to convert into the input box.
- Select the **original unit** (e.g., Kilometers per Hour) from the "Convert From" dropdown menu.
- Select the **target unit** (e.g., Miles per Hour) from the "Convert To" dropdown menu.
- Click the **"Convert"** button.
- The converted speed will be displayed in the **Result** area, typically rounded to two decimal places.
❓ Frequently Asked Questions (FAQs)
What is the difference between speed and velocity?
Speed is a **scalar quantity** that measures how fast an object is moving (distance covered over time). Velocity is a **vector quantity** that measures the rate of change of an object's position, meaning it includes both speed and the direction of movement.
What is the SI unit for speed?
The international standard (SI) unit for speed is **Meters per Second (m/s)**. All other units like km/h, mph, or knots are derived from this base unit.
How fast is one knot in miles per hour (mph)?
One **Knot (kn)**, which is one nautical mile per hour, is equal to approximately **1.15078 miles per hour (mph)**. Knots are primarily used in maritime and aviation contexts.
How do you convert Kilometers per Hour (km/h) to Meters per Second (m/s)?
To convert **km/h to m/s**, you divide the value by $3.6$. This is because $1 \text{ km} = 1000 \text{ m}$ and $1 \text{ hour} = 3600 \text{ seconds}$. Therefore, $\frac{1000}{3600} = \frac{1}{3.6}$.
What is the Speed of Light?
The speed of light in a vacuum, denoted as $c$, is approximately **$299,792,458$ meters per second ($m/s$)** or about $186,282$ miles per second. It is the fastest speed at which anything in the universe can travel.