ConvBolt — Unit ConverterKilometers per hour to Knots Converter
Converting kilometers per hour to knots is a multiplication by a fixed factor: 1 km/h = 0.5399568 kn. The table below covers the values people look up most often, and the formula section shows exactly where that factor comes from.
Because one kilometer per hour works out to 0.5399568 kn, the knot is the smaller unit of the two: a figure given in knot always carries a smaller number than the same measurement in kilometer per hour. A chart drawn in km/h can hide that, so check which label the axis uses before you compare two readings.
In engineering, kinematic figures quoted in kilometers per hour often have to be restated in knots before they can be compared with a manufacturer curve.
The conversion factor used here is 0.5399568 kn per kilometer per hour (7 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 km/h a factor rounded to three decimals can be off by a measurable amount. The reverse direction uses 1.852 km/h per kn, the exact reciprocal, so a round trip through both pages returns your original number.
Kilometers per hour to Knots formula
Use this formula to convert any kilometer per hour value to knots:
Worked example: 100 km/h × 0.5399568 = 53.99568 kn.
Kilometers per hour to Knots conversion table
| Kilometers per hour (km/h) | Knots (kn) |
|---|---|
| 0.5 km/h | 0.2699784 kn |
| 1 km/h | 0.5399568 kn |
| 2 km/h | 1.079914 kn |
| 5 km/h | 2.699784 kn |
| 10 km/h | 5.399568 kn |
| 20 km/h | 10.79914 kn |
| 50 km/h | 26.99784 kn |
| 100 km/h | 53.99568 kn |
| 500 km/h | 269.9784 kn |
| 1000 km/h | 539.9568 kn |
How to convert kilometers per hour to knots
Multiply the kilometer per hour value by 0.5399568 to get the equivalent in knots. 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 Knots to Kilometers per hour converter instead of dividing by hand; both pages use the same source factors. For every other km/h conversion in one place, see the km/h conversion hub.
Frequently asked questions
How many knots are in 1 kilometer per hour?
1 kilometer per hour = 0.5399568 kn.
What is 100 kilometers per hour in knots?
100 km/h = 53.99568 kn.
Is converting kilometers per hour to knots the same as knots to kilometers per hour?
No — the direction changes the multiplier. The reverse conversion (1 kn = 1.852 km/h) is on the Knots to Kilometers per hour page.
Related conversions
Try the ConvBolt Unit Converter for any other speed unit, browse the Speed conversions, or read our conversion guides.