Convert Kilometers Per Hour (km/h) to Meters Per Second (m/s)

1 kilometer per hour equals 0.277778 meters per second.

Formula: m/s = km/h × 0.277778

Kilometer Per Hour to Meter Per Second Converter

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How to Convert Kilometer Per Hour to Meter Per Second

1 kilometer per hour = 0.277778 meters per second

Meter Per Second = Kilometer Per Hour × 0.277778

Example: 1 km/h × 0.277778 = 0.277778 m/s

Reverse Conversion

To convert meters per second back to kilometers per hour:

  • Remember, 1 meter per second equals 3.6 kilometers per hour.
  • To convert 0.277778 m/s to km/h, multiply 0.277778 x 3.6, resulting in 1 km/h.

Common Kilometer Per Hour to Meter Per Second Conversions

Kilometer Per Hour to Meter Per Second (Part 1)
Kilometer Per Hour Meter Per Second Actions
1 kilometer per hour 0.277778 meters per second
10 kilometers per hour 2.77778 meters per second
50 kilometers per hour 13.8889 meters per second
Kilometer Per Hour to Meter Per Second (Part 2)
Kilometer Per Hour Meter Per Second Actions
100 kilometers per hour 27.7778 meters per second
200 kilometers per hour 55.5556 meters per second

Kilometers per hour to meters per second Conversion Table

Reference table with common kilometers per hour to meters per second conversions. All values calculated with high precision.

Kilometers Per Hour to Meters Per Second Table
0.001 to 5

Kilometers per hour Meters per second Actions
0.001 km/h 0.000277778 m/s
0.0025 km/h 0.000694444 m/s
0.005 km/h 0.00138889 m/s
0.01 km/h 0.00277778 m/s
0.025 km/h 0.00694444 m/s
0.05 km/h 0.0138889 m/s
0.1 km/h 0.0277778 m/s
14 km/h 0.0694444 m/s
12 km/h 0.138889 m/s
1 km/h 0.277778 m/s
2 12 km/h 0.694444 m/s
5 km/h 1.38889 m/s

Kilometers Per Hour to Meters Per Second Table
10 to 1000000

Kilometers per hour Meters per second Actions
10 km/h 2.77778 m/s
25 km/h 6.94444 m/s
50 km/h 13.8889 m/s
100 km/h 27.7778 m/s
250 km/h 69.4444 m/s
500 km/h 138.889 m/s
1000 km/h 277.778 m/s
2500 km/h 694.444 m/s
5000 km/h 1388.89 m/s
10000 km/h 2777.78 m/s
25000 km/h 6944.44 m/s
50000 km/h 13888.9 m/s
100000 km/h 27777.8 m/s
250000 km/h 69444.4 m/s
500000 km/h 138889 m/s
1000000 km/h 277778 m/s

Meters Per Second to Kilometers Per Hour Table
0.0001 to 12

Meters per second Kilometers per hour Actions
0.0001 m/s 0.00036 km/h
0.00025 m/s 0.0009 km/h
0.0005 m/s 0.0018 km/h
0.001 m/s 0.0036 km/h
0.0025 m/s 0.009 km/h
0.005 m/s 0.018 km/h
0.01 m/s 0.036 km/h
0.025 m/s 0.09 km/h
0.05 m/s 0.18 km/h
0.1 m/s 0.36 km/h
14 m/s 0.9 km/h
12 m/s 1.8 km/h

Meters Per Second to Kilometers Per Hour Table
1 to 100000

Meters per second Kilometers per hour Actions
1 m/s 3.6 km/h
2 12 m/s 9 km/h
5 m/s 18 km/h
10 m/s 36 km/h
25 m/s 90 km/h
50 m/s 180 km/h
100 m/s 360 km/h
250 m/s 900 km/h
500 m/s 1800 km/h
1000 m/s 3600 km/h
2500 m/s 9000 km/h
5000 m/s 18000 km/h
10000 m/s 36000 km/h
25000 m/s 90000 km/h
50000 m/s 180000 km/h
100000 m/s 360000 km/h

About the Kilometer Per Hour

Facts & Uses

  • 1 km/h = 1000 m / 3600 s = 5/18 m/s exactly. The dominant speed unit for road vehicles in metric countries (everywhere except the US, UK, and a few others).
  • Standard for speed limits worldwide: typical urban 50 km/h, rural 80-90 km/h, highway 100-130 km/h.
  • Used in weather forecasts (wind speed in km/h), cycling (speedometers), and international aviation ground speed reporting in some contexts.
  • Reference: walking ≈ 5 km/h, cycling 15-25 km/h, marathon pace ≈ 12-20 km/h, highway speeds 100-130 km/h.

Curiosities

  • The UK uses mph for road signs despite being metric for almost everything else — one of the very few exceptions in modern UK metrication.
  • Highest road speed limits: Germany Autobahn (no general limit), Poland 140 km/h, several Gulf states 140-160 km/h. Most of Europe caps at 130 km/h.
  • The fastest production car (Bugatti Chiron Super Sport) tops out at about 490 km/h; the land speed record (ThrustSSC, 1997) exceeds 1227 km/h — supersonic.
  • Approximate equivalents: 100 km/h ≈ 62.137 mph ≈ 27.78 m/s ≈ 53.996 knots.

Sources

About the Meter Per Second

Facts & Uses

  • SI derived unit of speed: 1 m/s = the speed at which an object travels 1 meter in 1 second. The base reference for all velocity calculations.
  • Standard in physics, engineering, biomechanics (gait analysis), and fluid dynamics (flow velocities).
  • Used in wind speed measurement (meteorology), seismic wave velocity, and projectile motion equations.
  • Reference: walking pace ≈ 1.4 m/s, running 3-5 m/s, sprinting 10-12 m/s, highway driving ≈ 30 m/s.

Curiosities

  • The speed of sound in dry air at 20 °C is approximately 343 m/s — the foundation of Mach number calculations.
  • The speed of light in vacuum is exactly 299,792,458 m/s — a defining constant since 1983, used to define the meter itself.
  • Usain Bolt's 100 m world record (9.58 s) corresponds to an average 10.44 m/s, with peak speeds around 12.4 m/s in the middle of the race.
  • Approximate equivalents: 1 m/s = 3.6 km/h ≈ 2.237 mph ≈ 1.944 knots ≈ 3.281 ft/s.

Sources

Frequently Asked Questions

How many meters per second are in one kilometer per hour?

One kilometer per hour equals 0.277778 meters per second. To convert, multiply the kilometer per hour value by 0.277778. For the reverse, divide the meter per second value by 0.277778 (or multiply by 3.6).

What is 0.05 kilometers per hour in meters per second?

0.05 kilometers per hour = 0.013889 meters per second. This is one of the most commonly searched conversions for this pair.

How precise is the kilometer per hour-to-meter per second conversion?

The factor 0.277778 is accurate to 6 significant figures, derived from international measurement standards. Our calculator uses full precision internally.

Looking for the reverse? Convert Meter Per Second to Kilometer Per Hour

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Conversion factors verified against NIST, BIPM, ISO 80000-3 Derived from SI base units (m/s, BIPM). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.

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