Skip to content

Speed conversion

Metre per second to Kilometre per hour

One metre per second is 3.6 kilometres per hour. Enter any value below to convert it instantly, or use the reference table further down for the numbers you need most often.

1 m/s = 3.6 km/hInstantFree

Conversion rate

1 m/s = 3.6 km/h

km/h = m/s × 3.6

Result3.6

1 m/s = 3.6 km/h

1 m/s in every speed unit
m/s1
km/h3.6
mph2.236936
kn1.943844
ft/s3.28084

Reference

Metre per second to Kilometre per hour table

The values people look up most often, rounded for practical use.

Metre per second (m/s)Kilometre per hour (km/h)
1 m/s3.6 km/h
2 m/s7.2 km/h
3 m/s10.8 km/h
5 m/s18 km/h
10 m/s36 km/h
15 m/s54 km/h
20 m/s72 km/h
25 m/s90 km/h
50 m/s180 km/h
100 m/s360 km/h
250 m/s900 km/h
500 m/s1,800 km/h
1,000 m/s3,600 km/h

How to convert metres per second to kilometres per hour

Multiply the number of metres per second by 3.6. That is the whole calculation: km/h = m/s × 3.6. To go back the other way, divide instead, or multiply by 0.27778.

Worked example: 12 metres per second × 3.6 = 43.2 kilometres per hour.

Where this conversion comes up

Speed conversion turns up when driving abroad, sailing or reading weather reports. A useful anchor: 100 km/h is about 62 mph, and a knot is one nautical mile per hour, which is slightly faster than a mile per hour.

Quick answers

More conversions

Other speed conversions

Answers

Frequently asked questions

One metre per second equals 3.6 kilometres per hour. Going the other way, one kilometre per hour is 0.27778 metres per second.

Use km/h = m/s × 3.6. The converter above applies it for you, but the formula is useful in a spreadsheet, put your value in column A and the formula in column B.

The underlying factor is the exact internationally defined value. Results are rounded for readability, so very long decimals are trimmed, but the calculation itself carries full double precision.

Yes, press the ⇄ swap button in the converter, or use the dedicated Kilometre per hour to Metre per second page.

No. The converter runs entirely in your browser, there is no account, and nothing you type is sent anywhere.

Related tools

All 36 tools →

Convert anything else

The full converter handles length, weight, temperature, area, volume, speed, data and time in one place.