2 Meters per second to Kilometers per hour

2 m/s in context

How 2 meters per second compares to its arithmetic neighbours, converted to kilometers per hour.

When to use meters per second → kilometers per hour

Metres per second to kilometres per hour multiplies by 3.6 exactly (3600 s/h ÷ 1000 m/km). A 10 m/s wind is 36 km/h, a brisk gale; the men's 100 m world record at 9.58 s averages 10.44 m/s or 37.58 km/h. Meteorologists usually quote wind speeds in m/s for scientific reports and km/h or mph in public forecasts. Multiplying by 3.6 is the only conversion you need to memorise to translate between them.

Ballistics and sports-science labs run this multiplication constantly: a cyclist's peak sprint speed of 17 m/s on a lab-grade power meter reads as 61.2 km/h on the team's public-facing dashboard, since coaches present data in km/h even though the underlying sensor logs raw SI values. High-speed camera frame analysis for pitching or javelin throws works in m/s natively, then converts only for the athlete-facing report.

How to convert meters per second to kilometers per hour

1. 1

   Take your value

   Start with your value in meters per second.

2. 2

   Multiply by 3.6

   Multiply the meter per second value by 3.6. This is the exact conversion factor from meters per second to kilometers per hour.

3. 3

   Read the result

   The product is your value in kilometers per hour. For example, 5 m/s × 3.6 = 18 km/h.

Conversion formula

The exact factor from meters per second to kilometers per hour is 3.6.

Kilometers per hour = Meters per second × 3.6

Meters per second to Kilometers per hour conversion table

Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.

Real-world reference

A brisk walking pace is about 1.4 m/s. An Olympic 100 m sprinter peaks above 12 m/s. In kilometers per hour, that gives you: 1 m/s = 3.6 km/h, 10 m/s = 36 km/h, 100 m/s = 360 km/h.

Frequently asked questions

What is 2 meters per second in kilometers per hour?

2 meters per second equals 7.2 kilometers per hour.

What is half of 2 m/s in kilometers per hour?

Half of 2 m/s is 1 m/s, which equals 3.6 kilometers per hour.

What is 4 m/s (double 2) in kilometers per hour?

4 m/s equals 14.4 kilometers per hour — exactly twice the 7.2 kilometers per hour you get from 2 m/s, since the conversion is linear.

Is 2 m/s a lot in kilometers per hour?

2 m/s converts to 7.2 kilometers per hour. That's over a whole kilometer per hour.

How is 2 m/s to km/h calculated?

2 m/s × 3.6 (the exact meter per second-to-kilometer per hour factor) = 7.2 km/h.

About the meter per second and the kilometer per hour

Sources

• NIST Special Publication 811 — Guide for the Use of the International System of Units (SI)
• BIPM — SI Brochure (9th edition)
• Reverse: km/h to m/s
• All speed converters