Speed Units Converter

Value:

From Unit: Meters per second (m/s) Kilometers per hour (km/h) Miles per hour (mph) Feet per second (ft/s) Knots (kn) Mach (at sea level) Speed of light (c) Inches per second (in/s) Feet per minute (ft/min) Inches per minute (in/min) Kilometers per second (km/s) Miles per second (mi/s) Feet per hour (ft/h) Inches per hour (in/h) Beaufort scale

Conversion Results

A Speed Units Converter is a tool that allows users to convert speed measurements from one unit to another. Speed is a fundamental physical quantity representing the distance traveled per unit of time. Different regions and fields of study use various units to measure speed, making conversion tools essential for accuracy and convenience.

---

Common Speed Units

Here are some of the most widely used speed units:

1. Meters per Second (m/s)

   • The SI (International System of Units) unit for speed.

   • Commonly used in physics and engineering.

2. Kilometers per Hour (km/h or kph)

   • Widely used in road traffic speeds (e.g., car speedometers).

   • Common in countries using the metric system.

3. Miles per Hour (mph)

   • Primarily used in the United States and the United Kingdom.

   • Used for vehicle speeds and weather reports.

4. Knots (kn or kt)

   • Used in aviation and maritime navigation.

   • 1 knot = 1 nautical mile per hour (~1.15078 mph).

5. Feet per Second (ft/s)

   • Used in engineering and ballistics (e.g., projectile speeds).

6. Mach (Ma)

   • Represents the speed of an object relative to the speed of sound (~343 m/s at sea level).

   • Used in aeronautics and high-speed travel.

---

Conversion Formulas

To convert between different speed units, the following formulas are used:

From	To	Formula
m/s	km/h	$\text{km/h}=\text{m/s}\times 3.6$
km/h	m/s	$\text{m/s}=\text{km/h}÷3.6$
mph	km/h	$\text{km/h}=\text{mph}\times 1.60934$
km/h	mph	$\text{mph}=\text{km/h}÷1.60934$
knots	mph	$\text{mph}=\text{knots}\times 1.15078$
mph	knots	$\text{knots}=\text{mph}÷1.15078$
m/s	ft/s	$\text{ft/s}=\text{m/s}\times 3.28084$
ft/s	m/s	$\text{m/s}=\text{ft/s}÷3.28084$
Mach	m/s	$\text{m/s}=\text{Mach}\times 343$ (varies with altitude)

---

Applications of Speed Conversion

1. Transportation & Navigation

   • Converting speed limits (e.g., mph to km/h for international drivers).

   • Aviation and marine speed adjustments (knots to km/h).

2. Sports & Fitness

   • Measuring running speeds (km/h to mph for treadmill settings).

3. Science & Engineering

   • Converting wind speeds (m/s to mph in weather reports).

   • Calculating projectile speeds (ft/s to m/s).

4. Automotive Industry

   • Comparing vehicle speeds in different unit systems.