1 knots to miles per hour
1.15 mph
1 kn = 1.15 mph.
miles per hour
1.15mph
1 kn = 1.15 mph
In short
How many miles per hour is 1 knots?
1 kn = 1.15 mph. 1 knot = 1.150779 miles per hour, so the working is 1 × 1.150779 = 1.15.
The working
The factor below is an exact definition rather than a measurement, so nothing is approximated in the arithmetic. The only rounding on this page happens where a number is displayed.
1 knot = 1.150779 miles per hour 1 × 1.150779 = 1.15
How much precision do you need?
Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.
| Rounded to | Answer (mph) | Off by |
|---|---|---|
| Whole number | 1 | −0.15078 |
| 1 decimal | 1.2 | +0.04922 |
| 2 decimals | 1.15 | −0.00078 |
Round trip: take 1.15 mph back the other way and you land on 0.9993 kn — a drift of 0.0007 kn. That gap is the rounding, not the conversion.
What 1 kn looks like
1 kn
One nautical mile per hour, which is 1.15 miles per hour. The knot is a speed, never a distance, so nothing travels "ten knots per hour".
Frequently asked questions
What is 1 knots in miles per hour?
1 knots is 1.15 miles per hour. 1 knot = 1.150779 miles per hour, so the working is 1 × 1.150779 = 1.15.
How accurate is 1.15 mph?
Rounding to 1.15 mph and converting straight back gives 0.9993 kn, a drift of 0.0007 kn from the 1 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
Any value at all
Knots to MPH Converter
Convert knots to miles per hour — boat speed, wind speed, and aviation.
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