Mile/Hour to Knot Converter
Convert Mile/Hour (mph) to Knot (kn) instantly. 1 mph = 0.868976 kn.
Speed Converter
18 units available
1 mph = 0.868976 kn
Formula:
kn = mph × 0.8689762427With your value: 1 mph = 0.86897624 kn
How big is that?
Everyday references on a logarithmic scale, all expressed in mile/hour so you can sanity-check the result.
Other Mile/Hour to Knot conversions
Mile/Hour to Knot Conversion Table
| Mile/Hour (mph) | Knot (kn) |
|---|---|
| 0.5 | 0.434488 |
| 1 | 0.868976 |
| 2 | 1.737952 |
| 5 | 4.344881 |
| 10 | 8.689762 |
| 15 | 13.034644 |
| 20 | 17.379525 |
| 25 | 21.724406 |
| 50 | 43.448812 |
| 100 | 86.897624 |
| 250 | 217.244061 |
| 500 | 434.488121 |
| 1000 | 868.976243 |
Knot to Mile/Hour Conversion Table
| Knot (kn) | Mile/Hour (mph) |
|---|---|
| 0.5 | 0.57539 |
| 1 | 1.150779 |
| 2 | 2.301559 |
| 5 | 5.753897 |
| 10 | 11.507794 |
| 15 | 17.261692 |
| 20 | 23.015589 |
| 25 | 28.769486 |
| 50 | 57.538972 |
| 100 | 115.077945 |
| 250 | 287.694862 |
| 500 | 575.389724 |
| 1000 | 1,150.779447 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Mile/Hour (mph)
Speed
Derived quantity: a defined length divided by a defined time interval.
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Knot (kn)
Speed
Derived quantity: a defined length divided by a defined time interval.
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
How to Convert Mile/Hour to Knot
To convert from Mile/Hour (mph) to Knot (kn), multiply the value by 0.8689762427.
Formula: kn = mph × 0.8689762427
Reverse: mph = kn × 1.150779447
Step-by-Step Example
- Start with your value in Mile/Hour. For example: 5 mph
- Multiply by the conversion factor: 5 x 0.8689762427
- The result is: 4.344881 kn
About Mile/Hour
Miles per hour is the standard unit of speed in the US and UK for vehicles and weather reporting.
Common uses: speed limits (US/UK), vehicle speed, baseball.
About Knot
The knot equals one nautical mile per hour and is used in maritime and aviation contexts.
Fun Fact: The knot gets its name from the practice of using a knotted rope to measure ship speed.
Common uses: navigation, aviation, sailing.
Frequently Asked Questions
How many Knot are in 1 Mile/Hour?
There are exactly 0.8689762427 Knot in 1 Mile/Hour. This means the conversion factor from Mile/Hour to Knot is 0.8689762427.
What is the formula to convert Mile/Hour to Knot?
The formula to convert Mile/Hour to Knot is: kn = mph × 0.8689762427. For example, to convert 10 Mile/Hour to Knot, you would multiply 10 by 0.8689762427.
What is a Mile/Hour?
Miles per hour is the standard unit of speed in the US and UK for vehicles and weather reporting.
What is a Knot?
The knot equals one nautical mile per hour and is used in maritime and aviation contexts.
What are the common uses of Mile/Hour?
The Mile/Hour is commonly used in speed limits (US/UK), vehicle speed, baseball.
Related Speed Conversions
Cite this page
UnitConvertLab. (2026). Mile/Hour to Knot converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/mph-to-knot