Kilometers per Second to Knots Converter

How to convert kilometers per second to knots

Formulakn = km/s × 1,943.844492

Multiply the value in kilometers per second by 1,943.844492. To go the other way, multiply by 0.0005144444444 (or divide by 1,943.844492).

A kilometer per second is larger than a knot: one kilometer per second contains 1,943.844492 knots.

Worked examples

1 kilometer per second1 km/s × 1,943.844492 = 1,943.844492 kn
5 kilometers per second5 km/s × 1,943.844492 = 9,719.222462 kn
10 kilometers per second10 km/s × 1,943.844492 = 19,438.44492 kn
20 kilometers per second20 km/s × 1,943.844492 = 38,876.88985 kn
100 kilometers per second100 km/s × 1,943.844492 = 194,384.4492 kn

Kilometers per second to knots conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Kilometers per second to knots: 0.1–10 km/s
Kilometers per second (km/s)	Knots (kn)
0.1 km/s	194.38445 kn
0.25 km/s	485.96112 kn
0.5 km/s	971.92225 kn
1 km/s	1,943.8445 kn
2 km/s	3,887.689 kn
3 km/s	5,831.5335 kn
4 km/s	7,775.378 kn
5 km/s	9,719.2225 kn
6 km/s	11,663.067 kn
7 km/s	13,606.911 kn
8 km/s	15,550.756 kn
9 km/s	17,494.6 kn
10 km/s	19,438.445 kn

Kilometers per second to knots: 12–1,000 km/s
Kilometers per second (km/s)	Knots (kn)
12 km/s	23,326.134 kn
15 km/s	29,157.667 kn
20 km/s	38,876.89 kn
25 km/s	48,596.112 kn
30 km/s	58,315.335 kn
40 km/s	77,753.78 kn
50 km/s	97,192.225 kn
75 km/s	145,788.34 kn
100 km/s	194,384.45 kn
250 km/s	485,961.12 kn
500 km/s	971,922.25 kn
1,000 km/s	1,943,844.5 kn

About the units

Kilometer per second (km/s)

The kilometer per second (km/s) is a unit of speed in the International System of Units (SI). One kilometer per second equals 1,000 meters per second (m/s).

Knot (kn)

One nautical mile per hour (about 1.15 mph). The standard speed unit for ships, aircraft and wind reports. One knot equals 0.5144444444 meters per second (m/s).

Frequently asked questions

How many knots are in one kilometer per second?

There are 1,943.844492 knots in one kilometer per second, and this value is exact by definition.

How do I convert kilometers per second to knots?

Multiply the number of kilometers per second by 1,943.844492. For example, 10 km/s × 1,943.844492 = 19,438.44492 kn.

How many kilometers per second are in one knot?

One knot equals 0.0005144444444 kilometers per second. That is the reverse factor, 1 ÷ 1,943.844492.

What is 10 kilometers per second in knots?

10 km/s = 19,438.44492 kn.

Is this km/s to kn converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.