Kilometer per Hour to Knot Converter
Speed · unit-converter
Convert Kilometer per Hour to Knot with a fixed input and output unit, step-by-step formula line, and reference tables. All calculations bridge through meters per second with fixed definitions (knot, international mile, Mach 1 = ISA sea level, Beaufort WMO bands at 10 m, vacuum c, plus linear SI and imperial rate units like km/s, fpm, ips, cm/s, and mm/s).
About Kilometer per Hour
Kilometers per hour is common for road speeds, weather reports, and everyday travel outside countries that use miles per hour.
About Knot
The knot is one nautical mile per hour (1852 m/h). It is standard in maritime and aviation navigation.
How to convert kilometers per hour to knots
1 kilometer per hour equals 0.5399568034557235 knot in this tool (via m/s):
1 kph = (0.2777777777777778 m/s ÷ 0.5144444444444445 m/s) knots = 0.5399568034557235 knots
Each kilometer per hour carries 0.2777777777777778 m/s and each knot 0.5144444444444445 m/s, so one kph equals 0.2777777777777778 ÷ 0.5144444444444445 knots.
Let v(kph) be the numeric speed in Kilometer per Hour (kph), and v(knots) in Knot (knots). Then:
v(knots) = v(kph) × (0.2777777777777778 / 0.5144444444444445)
Equivalently, divide by how many kph fit into one knots (m/s per knots divided by m/s per kph):
v(knots) = v(kph) ÷ 1.852
Examples
Example #1: Convert 10 kph to knot
10 kph = 10 kph × (0.2777777777777778/0.5144444444444445) knots = 5.3995680346 knots
10 kph = 10 kph ÷ 1.852 = 5.3995680346 knots
Example #2: Convert 50 kph to knot
50 kph = 50 kph × (0.2777777777777778/0.5144444444444445) knots = 26.9978401728 knots
50 kph = 50 kph ÷ 1.852 = 26.9978401728 knots
Summary
To convert Kilometer per Hour to Knot, multiply the value in kph by (0.2777777777777778 m/s per kph) / (0.5144444444444445 m/s per knots). Equivalently: value_knots = value_kph × (0.2777777777777778 / 0.5144444444444445). Numerically, 1 kph equals 0.5399568034557235 knots.
Relationship context
Both Kilometer per Hour and Knot are expressed as fixed multiples of meters per second in this tool. Converting multiplies by the ratio of m/s per kph to m/s per knots, so results stay consistent with SI-based definitions (international mile, knot, feet, etc.).
Conversion tables
| Kilometer per Hour (kph) | Knot (knots) |
|---|---|
| 0.1 | 0.0539956803 |
| 1 | 0.5399568035 |
| 2 | 1.0799136069 |
| 3 | 1.6198704104 |
| 4 | 2.1598272138 |
| 5 | 2.6997840173 |
| 6 | 3.2397408207 |
| 7 | 3.7796976242 |
| 8 | 4.3196544276 |
| 9 | 4.8596112311 |
| Kilometer per Hour (kph) | Knot (knots) |
|---|---|
| 10 | 5.3995680346 |
| 20 | 10.7991360691 |
| 30 | 16.1987041037 |
| 40 | 21.5982721382 |
| 50 | 26.9978401728 |
| 60 | 32.3974082073 |
| 70 | 37.7969762419 |
| 80 | 43.1965442765 |
| 90 | 48.596112311 |
| 100 | 53.9956803456 |