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Wind Speed Converter – Free Online Tool

Quick Answer

Convert wind speed between km/h, mph, m/s, and knots instantly with this free wind speed converter from Toolscal. Enter any wind speed and get all formats with Beaufort scale without signup.

Convert wind speed between km/h, mph, m/s, and knots with Beaufort Scale reference

What is Wind Speed Converter? A wind speed converter is a free tool by Toolscal that converts wind speeds between km/h, mph, m/s, knots, and Beaufort scale. Useful for weather analysis, aviation, sailing, and travel planning.

Beaufort Wind Scale

0
Calm
Smoke rises vertically
0-1 km/h
1
Light Air
Smoke drifts
2-5 km/h
2
Light Breeze
Leaves rustle
6-11 km/h
3
Gentle Breeze
Leaves & twigs move
12-19 km/h
4
Moderate Breeze
Small branches move
20-28 km/h
5
Fresh Breeze
Small trees sway
29-38 km/h
6
Strong Breeze
Large branches move
39-49 km/h
7
Near Gale
Whole trees sway
50-61 km/h
8
Gale
Twigs break off
62-74 km/h
9
Strong Gale
Slight damage occurs
75-88 km/h
10
Storm
Trees uprooted
89-102 km/h
11
Violent Storm
Widespread damage
103-117 km/h
12
Hurricane
Devastating damage
118+ km/h

Quick Reference

1 km/h =
0.621 mph
0.278 m/s
0.540 knots
1 mph =
1.609 km/h
0.447 m/s
0.869 knots
1 m/s =
3.600 km/h
2.237 mph
1.944 knots
1 knot =
1.852 km/h
1.151 mph
0.514 m/s

About This Tool

Converts wind speed between m/s, km/h, mph, and knots using meteorological standards.

Accuracy Information

Formula: 1 m/s = 3.6 km/h = 2.237 mph = 1.944 knots
Notes: Standard meteorological conversion factors. Results rounded to 2 decimal places.
Author: Toolscal Engineering
Maintained by: Toolscal Team
Last updated: December 29, 2025
Version: 1.1.0

How to Use

  1. 1Enter wind speed in any unit
  2. 2Other units are automatically calculated
  3. 3View Beaufort Scale for wind description
  4. 4All conversions happen in real-time

Why Use This Tool?

  • Convert weather forecast wind speeds
  • Aviation and marine speed calculations
  • Understand international weather reports
  • Storm and hurricane tracking
  • Sailing and navigation planning

🔒Is This Tool Official or Safe?

Official Status:

This is an informational tool. It is not affiliated with or endorsed by any government agency or official organization. This tool is designed to help you with calculations and information lookup, but always verify critical information with official sources.

Frequently Asked Questions

What is the difference between km/h and mph?

km/h (metric) is used globally, mph (imperial) in US/UK. 1 mph = 1.609 km/h. Toolscal converts between all units instantly.

What are knots?

Knots are nautical miles per hour used in aviation and marine navigation. 1 knot = 1.852 km/h. Toolscal converts knots for sailing and flight planning.

What is the Beaufort Scale?

Beaufort Scale estimates wind from Force 0 (calm, 0-1 km/h) to Force 12 (hurricane, 118+ km/h). Toolscal displays Beaufort equivalent for any wind speed.

How fast is hurricane-force wind?

Hurricane winds start at 118 km/h (73 mph / 64 knots / 33 m/s). Toolscal shows Beaufort Force 12 for these extreme winds.

What unit does aviation use?

Aviation primarily uses knots for wind speed. Toolscal converts knots to km/h, mph, and m/s for flight planning and weather analysis.

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