Convert Meter per Second to Beaufort Scale (m/s → Bft)

Converting meters per second to Beaufort is straightforward: multiply by the conversion factor. Follow these three steps to do it by hand or in your head.

1. 1
   Take your value in meters per second

   Start with the number of meters per second (m/s) you want to convert.
2. 2
   Multiply by 1

   The conversion factor from m/s to Bft is 1. Multiply your value by this number.
3. 3
   Read the result in Beaufort

   The result is your value in Beaufort (Bft).

Multiply the value in meters per second by 1. For the reverse direction, multiply by 1.

• ✓1 m/s = 3.6 km/h = 2.237 mph.
• ✓To convert m/s to km/h: multiply by 3.6.
• ✓For pace in running, divide 1000 by m/s to get seconds per km.

• ✗Using m/s for everyday speed — most people think in km/h or mph.
• ✗Confusing m/s with km/s (1000× faster).
• ✗Mixing up wind speed in m/s and mph in forecasts.

What is the Meter per Second?

Meters per second is the SI unit of speed and the standard for physics, engineering, and Olympic athletics. Defined directly from the meter (length) and second (time), m/s is the natural unit for scientific work — Newton's laws of motion, kinematic equations, and fluid dynamics all use m/s. World-class athletes reach about 12 m/s in the 100-meter sprint (Usain Bolt's record averaged 10.44 m/s), commercial airliners cruise at 240–250 m/s, and a casual walk is about 1.4 m/s. The speed of sound in air at sea level is approximately 343 m/s, and the speed of light in vacuum is 299,792,458 m/s. Wind speeds in scientific contexts use m/s, though km/h dominates weather reporting. m/s relates to km/h (1 m/s = 3.6 km/h), mph (1 m/s ≈ 2.237 mph), the knot (1 m/s ≈ 1.944 kn), and ft/s (1 m/s ≈ 3.281 fps).

• Physics and engineering calculations
• Wind speed in science and aviation
• Sprint and throw analysis in sports science

What is the Beaufort Scale?

The Beaufort scale is an empirical wind-force scale ranging from 0 (calm) to 12 (hurricane), developed in 1805 by British Royal Navy Admiral Francis Beaufort. Originally designed for ships at sea, the scale was based on observed effects: 'How much sail can my ship safely carry?' Modern versions describe both observed effects on land and sea and corresponding wind-speed ranges. Force 0 is dead calm (under 1 km/h), Force 6 is 'strong breeze' (39–49 km/h, large branches in motion), Force 10 is a 'whole storm' (89–102 km/h), and Force 12 is hurricane (over 118 km/h). The conversion to numeric speeds follows v = 0.836 × Bft^1.5 m/s. Sailors, meteorologists, and shipping forecasts still use the Beaufort scale because its descriptive nature is intuitive: 'Force 8 gale' immediately conveys conditions to anyone familiar with the scale.

• Marine weather forecasts
• Sailing and offshore navigation
• Historical weather records