Meters per second to Kilometers per hour Converter

Speed conversion · Updated 2026-10-04

Converting meters per second to kilometers per hour is a multiplication by a fixed factor: 1 m/s = 3.6 km/h. The table below covers the values people look up most often, and the formula section shows exactly where that factor comes from.

Because one meter per second works out to 3.6 km/h, the kilometer per hour is the larger unit of the two: a figure given in kilometer per hour always carries a larger number than the same measurement in meter per second. A chart drawn in m/s can hide that, so check which label the axis uses before you compare two readings.

In engineering, kinematic figures quoted in meters per second often have to be restated in kilometers per hour before they can be compared with a manufacturer curve.

The conversion factor used here is 3.6 km/h per meter per second (1 significant digits as shown). Kept to seven figures it covers professional measurement; if you round it to two or three decimals for a spreadsheet, the error scales with the input — at a value of 1,000 m/s a factor rounded to three decimals can be off by a measurable amount. The reverse direction uses 0.2777778 m/s per km/h, the exact reciprocal, so a round trip through both pages returns your original number.

Meters per second to Kilometers per hour formula

Use this formula to convert any meter per second value to kilometers per hour:

Worked example: 100 m/s × 3.6 = 360 km/h.

Meters per second to Kilometers per hour conversion table

Meters per second (m/s)	Kilometers per hour (km/h)
0.5 m/s	1.8 km/h
1 m/s	3.6 km/h
2 m/s	7.2 km/h
5 m/s	18 km/h
10 m/s	36 km/h
20 m/s	72 km/h
50 m/s	180 km/h
100 m/s	360 km/h
500 m/s	1800 km/h
1000 m/s	3600 km/h

How to convert meters per second to kilometers per hour

Multiply the meter per second value by 3.6 to get the equivalent in kilometers per hour. This single factor works for every value in the table above and for anything else you need — there is no per-value adjustment, which is why a conversion table and a calculator always agree.

If you need the opposite direction, use the Kilometers per hour to Meters per second converter instead of dividing by hand; both pages use the same source factors. For every other m/s conversion in one place, see the m/s conversion hub.

Frequently asked questions

How many kilometers per hour are in 1 meter per second?
1 meter per second = 3.6 km/h.

What is 100 meters per second in kilometers per hour?
100 m/s = 360 km/h.

Is converting meters per second to kilometers per hour the same as kilometers per hour to meters per second?
No — the direction changes the multiplier. The reverse conversion (1 km/h = 0.2777778 m/s) is on the Kilometers per hour to Meters per second page.

Related conversions

Try the ConvBolt Unit Converter for any other speed unit, browse the Speed conversions, or read our conversion guides.