100 miles per hour to knots
100 mph = 86.897624 kn. Change the amount below, or read the formula and the reference table further down.
100 miles per hour equals
knots
1 mph = 0.86897624 kn
The formula
Miles per hour and knots both measure speed from the same zero, so a single multiplier does the job.
kn = mph × 0.8689762419
Going the other way? Convert knots to miles per hour.
Miles per hour to knots table
Values either side of 100 mph.
| Miles per hour (mph) | Knots (kn) |
|---|---|
| 0 | 0 |
| 10 | 8.6898 |
| 20 | 17.3795 |
| 30 | 26.0693 |
| 40 | 34.759 |
| 50 | 43.4488 |
| 60 | 52.1386 |
| 70 | 60.8283 |
| 80 | 69.5181 |
| 90 | 78.2079 |
| 100 | 86.8976 |
| 110 | 95.5874 |
| 120 | 104.28 |
| 130 | 112.97 |
| 140 | 121.66 |
| 150 | 130.35 |
| 160 | 139.04 |
| 170 | 147.73 |
| 180 | 156.42 |
| 190 | 165.11 |
| 200 | 173.8 |
Questions people ask
- How many knots are in a mile per hour?
- One mile per hour equals 0.8689762419 knots.
- How do I convert miles per hour to knots by hand?
- Multiply the number of miles per hour by 0.8689762419. For a rough check, 0.869 is close enough for most everyday use.
- What is 100 miles per hour in knots?
- 100 miles per hour is 86.897624 knots.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.