1 Knots to mph
1 kn ≈ 1.15 mph
1 knot is approximately 1.15 miles per hour.
How to convert 1 kn to mph
Use the formula mph = kn × 1.150779448:
mph = 1 × 1.150779448mph = 1.150779
So 1 kn = 1.150779 mph, or about 1.15 mph rounded.
Rounded values and quick estimate
- Rounded to a whole number: 1 mph
- Rounded to one decimal place: 1.2 mph
- Conversion factor: 1 knot = 1.15 miles per hour
Quick mental estimate: add 15%. For 1 kn that gives about 1.15 mph — within 1% of the exact answer. Use the exact formula when precision matters.
1 Knots in other units
- Miles per hour
- 1.15 mph
- Kilometers per hour
- 1.85 km/h
- Meters per second
- 0.5144 m/s
- Feet per second
- 1.69 ft/s
1 kn and nearby values
| Knots | Miles per hour |
|---|---|
| 1 kn | 1.15 mph |
| 2 kn | 2.3 mph |
| 3 kn | 3.45 mph |
| 4 kn | 4.6 mph |
| 5 kn | 5.75 mph |
About knots and miles per hour
A knot is one nautical mile (1,852 m) per hour. It is used in aviation, sailing and for wind speed at sea.
Miles per hour is the speed unit used on roads in the US and UK.
Related conversions
Frequently asked questions
What is 1 Knots in mph?
1 knot is about 1.15 miles per hour (1 kn ≈ 1.15 mph).
How do you convert 1 kn to mph?
Apply mph = kn × 1.150779448: mph = 1 × 1.150779448, mph = 1.150779.
How many knots is 1.15 mph?
1.15 mph is about 0.9993 knots.