Knots to Meters per Second

Convert kn to m/s instantly — with a table, common speeds, and a live calculator.

1 kn equals 0.514 m/s.

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Convert any speed

Result (m/s)0.514 m/s

kn to m/s table

knm/s
1 kn0.514 m/s
2 kn1.03 m/s
3 kn1.54 m/s
5 kn2.57 m/s
10 kn5.14 m/s
15 kn7.72 m/s
20 kn10.29 m/s
25 kn12.86 m/s
30 kn15.43 m/s
40 kn20.58 m/s
50 kn25.72 m/s
55 kn28.29 m/s
60 kn30.87 m/s
65 kn33.44 m/s
70 kn36.01 m/s
80 kn41.16 m/s
90 kn46.3 m/s
100 kn51.44 m/s
120 kn61.73 m/s
150 kn77.17 m/s
200 kn102.89 m/s
300 kn154.33 m/s

m/s to kn (reverse)

m/skn
1 m/s1.94 kn
2 m/s3.89 kn
3 m/s5.83 kn
5 m/s9.72 kn
10 m/s19.44 kn
15 m/s29.16 kn
20 m/s38.88 kn
25 m/s48.6 kn
30 m/s58.32 kn
40 m/s77.75 kn
50 m/s97.19 kn
55 m/s106.91 kn
60 m/s116.63 kn
65 m/s126.35 kn
70 m/s136.07 kn
80 m/s155.51 kn
90 m/s174.95 kn
100 m/s194.38 kn
120 m/s233.26 kn
150 m/s291.58 kn
200 m/s388.77 kn
300 m/s583.15 kn

Common speeds

knm/s
5 kn2.57 m/s
10 kn5.14 m/s
20 kn10.29 m/s
30 kn15.43 m/s
40 kn20.58 m/s
50 kn25.72 m/s
60 kn30.87 m/s
70 kn36.01 m/s
80 kn41.16 m/s
100 kn51.44 m/s
120 kn61.73 m/s
200 kn102.89 m/s

How it scales

132639510255075100kn

100 km/h in other units

62.1mph27.8m/s54kn91.1ft/s

The ratio at a glance

1 kn0.51 m/s

Metric, imperial, and nautical speed units

Kilometers per hour and meters per second are metric, miles per hour and feet per second belong to the imperial/US system, and knots (one nautical mile per hour) come from maritime and aviation use. One mile per hour is defined as exactly 0.44704 meters per second, and one knot as exactly 1.852 km/h.

Speed conversions are exact and rest on fixed factors — for more unit pairs, use our speed conversion hub.

Frequently asked questions

How many m/s are in 1 kn?

1 kn equals 0.514 m/s.

How many m/s are in 2 kn?

2 kn equal 1.03 m/s.

How do I convert kn to m/s?

Divide the speed in kn by 1.94 to get m/s.

What is a knot?

A knot is one nautical mile per hour and equals exactly 1.852 km/h (about 1.15078 mph). Knots are used in maritime and aviation contexts.

Why are there so many speed units?

Kilometers per hour and meters per second are metric, miles per hour and feet per second belong to the imperial/US system, and knots come from maritime and aviation use. All conversions rest on fixed factors.

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