UnitConvConvert
Speed

Convert kilometers per hour to meters per second

1 km/h=0.2778m/s

Use the converter below to change any kilometers per hour value into meters per second instantly — with formula, conversion table, and real-world examples.

0.27778

Conversion formula

Forward
meters per second = kilometers per hour × 0.2778
Reverse
kilometers per hour = meters per second × 3.6

Example: 10 km/h × 0.2778 = 2.77778 m/s.

About both units

From

Kilometer per Hour

km/h

Kilometres per hour (km/h) is the standard speed unit in most of the world. European motorways typically allow 120–130 km/h; urban limits are 50 km/h. Car speedometers in metric countries are marked in km/h, often with smaller mph numbers for US and UK travel.

Real-world: German Autobahn typical speed: 130 km/h (recommended) to 180+ (no limit sections). French limit: 130 km/h. Urban: 50 km/h.
Read full kilometer per hour reference →
To

Meter per Second

m/s

Metres per second (m/s) is the SI base speed unit. Used in physics, sports-science studies, and wind-speed reporting (e.g., hurricanes). Usain Bolt's 100 m sprint averaged 10.44 m/s. Hurricane-force winds are above 32.7 m/s.

Real-world: Usain Bolt's 100 m: avg 10.44 m/s, peak 12.27 m/s. Hurricane minimum: 32.7 m/s. Walking: 1.4 m/s.
Read full meter per second reference →

Kilometer per Hour to Meter per Second conversion table

Common kilometers per hour to meters per second values for quick reference.

Kilometer per Hour (km/h)Meter per Second (m/s)
1 km/h0.2778 m/s
5 km/h1.38889 m/s
10 km/h2.77778 m/s
25 km/h6.94444 m/s
50 km/h13.8889 m/s
100 km/h27.7778 m/s
150 km/h41.6667 m/s
200 km/h55.5556 m/s
300 km/h83.3333 m/s
500 km/h138.889 m/s

Tips & common mistakes

Quick tips

  • 1 km/h = 0.2778 m/s. Divide by 3.6 for m/s.
  • 1 km/h = 0.621 mph. Multiply by 0.62 for a quick mph estimate.
  • Speed limits: 30 km/h urban, 50 km/h town, 80–100 km/h rural, 110–130 km/h motorway in most of EU.

Avoid these

  • Using mph values on a km/h speedometer — may misread actual speed.
  • Converting km/h to m/s by dividing by 3 — correct is 3.6.
  • Ignoring "E" for exit or other signs while focused on speed limits.

Frequently asked questions

How many meters per second in a kilometer per hour?
One kilometer per hour equals 0.2778 meters per second.
How do I convert kilometers per hour to meters per second?
Multiply the kilometer per hour value by 0.2778 to get the equivalent in meters per second.
What is 100 kilometers per hour in meters per second?
100 kilometers per hour equals 27.7778 meters per second.
Is a kilometer per hour bigger than a meter per second?
No. 1 kilometer per hour equals 0.2778 meters per second, so one kilometer per hour is smaller.
How to convert kilometers per hour to meters per second without a calculator?
Multiply by 0.28 for a quick estimate; use a calculator for precise results.

Related speed conversions

📊 See full comparison matrix →

More from Kilometer per Hour

km/h → mph
1 = 0.6214 mph
km/h → kn
1 = 0.54 kn
km/h → Ma
1 = 0.0008163 Ma
km/h → ft/s
1 = 0.9113 ft/s
km/h → cm/s
1 = 27.7778 cm/s
km/h → yd/min
1 = 18.2269 yd/min
km/h → in/min
1 = 656.685 in/min
km/h → Bft
1 = 0.2778 Bft

More to Meter per Second

mph → m/s
1 = 0.447 m/s
kn → m/s
1 = 0.5144 m/s
Ma → m/s
1 = 340.29 m/s
ft/s → m/s
1 = 0.3048 m/s
cm/s → m/s
1 = 0.01 m/s
yd/min → m/s
1 = 0.01524 m/s
in/min → m/s
1 = 0.000423 m/s
Bft → m/s
1 = 1 m/s

Conversions in other categories

WeightKilogram → PoundLengthKilometer → MileTemperatureCelsius → FahrenheitVolumeLiter → US GallonAreaSquare Meter → Square FootEnergyKilojoule → KilocaloriePressureBar → Pound per Square InchPowerKilowatt → Mechanical Horsepower