90 miles per hour to knots
90 miles per hour = 78.20786 knots
Rounded to a practical precision: 78.2 kn.
How the calculation works
One mile per hour is 0.868976 knots, so:
90 mph × 0.868976 = 78.20786 knReversing it, 78.20786 knots ÷ 0.868976 returns 90 miles per hour.
Nearby values
| Miles Per Hour | Knots |
|---|---|
| 86 mph | 74.73196 kn |
| 87 mph | 75.60093 kn |
| 88 mph | 76.46991 kn |
| 89 mph | 77.33889 kn |
| 90 mph | 78.20786 kn |
| 91 mph | 79.07684 kn |
| 92 mph | 79.94581 kn |
| 93 mph | 80.81479 kn |
| 94 mph | 81.68377 kn |
About these units
Mile per hour (mph) — Miles per hour is the road speed unit of the United States and United Kingdom.
Knot (kn) — A knot is one nautical mile per hour and is the speed unit used at sea and in aviation.
Frequently asked questions
How many knots is 90 miles per hour?
90 miles per hour is 78.20786 knots.
How do I convert miles per hour to knots myself?
Multiply by 0.868976. To go back, divide by 0.868976 — or multiply by 1.15078.
Is this figure exact?
The conversion factor between the mile per hour and the knot is fixed by definition. The figure above is rounded for readability; the converter carries full precision.
Convert other values
- 1 miles per hour to knots
- 5 miles per hour to knots
- 10 miles per hour to knots
- 15 miles per hour to knots
- 20 miles per hour to knots
- 25 miles per hour to knots
- 30 miles per hour to knots
- 35 miles per hour to knots
- 40 miles per hour to knots
- 45 miles per hour to knots
- 50 miles per hour to knots
- 55 miles per hour to knots
- 60 miles per hour to knots
- 65 miles per hour to knots
- 70 miles per hour to knots
- 75 miles per hour to knots
- 80 miles per hour to knots
- 90 miles per hour to knots
- 100 miles per hour to knots
- 110 miles per hour to knots
- 120 miles per hour to knots
- 130 miles per hour to knots
- 140 miles per hour to knots
- 150 miles per hour to knots
- 200 miles per hour to knots
- 250 miles per hour to knots
- 300 miles per hour to knots
Full miles per hour to knots converter · All speed converters