Mile per hour to Knot Converter
1 mile per hour is about 0.8689762419 knots. Convert miles per hour (mph) to knots (kn) below: type a value and the result updates as you type.
mph to kn calculator
Result
Mile per hour to Knot conversion
1 mph ≈ 0.8689762419 knone mile per hour in knots
1 kn ≈ 1.150779448 mphone knot in miles per hour
Mile per hour (mph): One international mile per hour: exactly 0.44704 meters per second.
Knot (kn): One nautical mile per hour: exactly 1852/3600 meters per second.
Source:Mile per hour: International yard and pound agreement (1959); Knot: NIST Special Publication 811 (2008), Appendix B.8
How to convert miles per hour to knots
To convert miles per hour to knots, multiply the number of miles per hour by about 0.8689762419.
Formula
kn = mph × 0.8689762419
The factor is rounded here. The calculator uses the exact value.
Examples
- 5 mph = 5 × 0.8689762419 ≈ 4.34488121 kn
- 25 mph = 25 × 0.8689762419 ≈ 21.72440605 kn
- 100 mph = 100 × 0.8689762419 ≈ 86.89762419 kn
Mile per hour to Knot conversion table
| Mile per hour (mph) | Knot (kn) |
|---|---|
| 0.1 mph | 0.08689762419 kn |
| 0.5 mph | 0.434488121 kn |
| 1 mph | 0.8689762419 kn |
| 2 mph | 1.737952484 kn |
| 3 mph | 2.606928726 kn |
| 5 mph | 4.34488121 kn |
| 10 mph | 8.689762419 kn |
| 20 mph | 17.37952484 kn |
| 25 mph | 21.72440605 kn |
| 50 mph | 43.4488121 kn |
| 100 mph | 86.89762419 kn |
| 250 mph | 217.2440605 kn |
| 500 mph | 434.488121 kn |
| 1000 mph | 868.9762419 kn |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many knots are in one mile per hour?
- One mile per hour is about 0.8689762419 knots.
- How do I convert knots to miles per hour?
- To convert knots to miles per hour, multiply the number of knots by about 1.150779448. The formula is mph = kn × 1.150779448.
- Is this conversion exact?
- Yes. Both units have exact definitions, but the factor has more decimal places than can be shown, so displayed results are rounded. The calculator works with 50 significant digits before rounding.
- Which is larger, a mile per hour or a knot?
- A knot is about 1.150779448 times larger than a mile per hour. In other words, a mile per hour is about 0.8689762419 of a knot.