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knots → miles per hour

33 knots to miles per hour

37.98 mph

33 kn = 37.98 mph.

miles per hour

37.98mph

33 kn = 37.98 mph

In short

How many miles per hour is 33 knots?

33 kn = 37.98 mph. 1 knot = 1.150779 miles per hour, so the working is 33 × 1.150779 = 37.98.

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
33 × 1.150779 = 37.98

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 toAnswer (mph)Off by
Whole number38+0.02428
1 decimal38.0+0.02428
2 decimals37.98+0.00428

Round trip: take 37.98 mph back the other way and you land on 33.0037 kn — a drift of 0.0037 kn. That gap is the rounding, not the conversion.

What 33 kn looks like

34 kn

Gale force, the bottom of Beaufort force 8, and the wind speed at which a tropical storm gets its name.

Frequently asked questions

What is 33 knots in miles per hour?

33 knots is 37.98 miles per hour. 1 knot = 1.150779 miles per hour, so the working is 33 × 1.150779 = 37.98.

How accurate is 37.98 mph?

Rounding to 37.98 mph and converting straight back gives 33.0037 kn, a drift of 0.0037 kn from the 33 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.

Open the knots to MPH converter