Kilometers per Hour to Meters per Second
Convert kilometers per hour (km/h) to meters per second (m/s) instantly. Free online speed converter with formulas, tables and examples.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Converter
Length Converter
Convert metric, imperial, and nautical distance units.
Context values
Some unit families need one extra value for a physically accurate result.
Use the converter to see the formula.
Results update instantly for Kilometers per Hour to Meters per Second conversions.
Reserved above the conversion cards and below the converter.
Formula
m/s = km/h × 0.277778
km/h = m/s × 3.6
Conversion table
| 1 km/h | 0.277778 m/s |
| 5 km/h | 1.388889 m/s |
| 10 km/h | 2.777778 m/s |
| 20 km/h | 5.555556 m/s |
| 50 km/h | 13.888889 m/s |
| 100 km/h | 27.777778 m/s |
| 500 km/h | 138.888889 m/s |
| 1000 km/h | 277.777778 m/s |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
What is the source unit in this conversion?
The source unit is kilometers per hour (km/h), the everyday metric speed unit used on road signs and vehicle speedometers worldwide.
What is the destination unit in this conversion?
The destination unit is meters per second (m/s), the SI derived unit of speed, defined as one meter traveled every second.
How do I convert kilometers per hour to meters per second?
Multiply the kilometers per hour value by 0.277778 to get meters per second. For example, 100 km/h × 0.277778 = 27.777778 m/s.
Is the kilometers per hour to meters per second conversion exact?
Both units are defined using fixed conversion constants, so the results shown are calculated with full precision.
Where is this conversion commonly used?
It is used across transportation, sports timing, engineering, and scientific contexts where speeds need to be compared between kilometers per hour and meters per second.
Can I convert meters per second back to kilometers per hour?
Yes. Divide by 0.277778 (or multiply by 3.6) to convert back, or use the meters per second to kilometers per hour converter directly.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
This page converts kilometers per hour (km/h) into meters per second (m/s), two units used to express speed or velocity.
Kilometers per Hour is the everyday metric speed unit used on road signs and vehicle speedometers worldwide, while meters per second is the SI derived unit of speed, defined as one meter traveled every second.
This conversion helps travelers, engineers, scientists, and enthusiasts compare speeds expressed in different measurement systems.
The formula is m/s = km/h × 0.277778, based on the fixed relationship between these two speed units.
Use the calculator above for instant results, or refer to the conversion table for common reference values.