Speed conversion
Knot to Mile per hour
One knot is 1.150779 miles per hour. Enter any value below to convert it instantly, or use the reference table further down for the numbers you need most often.
Conversion rate
1 kn = 1.150779 mph
mph = kn × 1.150779
1 kn = 1.150779 mph
Reference
Knot to Mile per hour table
The values people look up most often, rounded for practical use.
| Knot (kn) | Mile per hour (mph) | Written out |
|---|---|---|
| 1 kn | 1.150779 mph | 1 knots = 1.150779 miles per hour |
| 2 kn | 2.301559 mph | 2 knots = 2.301559 miles per hour |
| 3 kn | 3.452338 mph | 3 knots = 3.452338 miles per hour |
| 5 kn | 5.753897 mph | 5 knots = 5.753897 miles per hour |
| 10 kn | 11.50779 mph | 10 knots = 11.50779 miles per hour |
| 15 kn | 17.26169 mph | 15 knots = 17.26169 miles per hour |
| 20 kn | 23.01559 mph | 20 knots = 23.01559 miles per hour |
| 25 kn | 28.76949 mph | 25 knots = 28.76949 miles per hour |
| 50 kn | 57.53897 mph | 50 knots = 57.53897 miles per hour |
| 100 kn | 115.078 mph | 100 knots = 115.078 miles per hour |
| 250 kn | 287.695 mph | 250 knots = 287.695 miles per hour |
| 500 kn | 575.39 mph | 500 knots = 575.39 miles per hour |
| 1,000 kn | 1,150.779 mph | 1,000 knots = 1,150.779 miles per hour |
How to convert knots to miles per hour
Multiply the number of knots by 1.150779. That is the whole calculation: mph = kn × 1.150779. To go back the other way, divide instead, or multiply by 0.86898.
Worked example: 12 knots × 1.150779 = 13.80935 miles per hour.
Where this conversion comes up
Speed conversion turns up when driving abroad, sailing or reading weather reports. A useful anchor: 100 km/h is about 62 mph, and a knot is one nautical mile per hour, which is slightly faster than a mile per hour.
Quick answers
- 1 knot = 1.150779 miles per hour
- 2 knots = 2.301559 miles per hour
- 5 knots = 5.753897 miles per hour
- 10 knots = 11.50779 miles per hour
- 100 knots = 115.078 miles per hour
More conversions
Other speed conversions
Answers
Frequently asked questions
mph = kn × 1.150779. The converter above applies it for you, but the formula is useful in a spreadsheet — put your value in column A and the formula in column B.Related tools
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