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55 miles per hour to knots

55 miles per hour = 47.79369 knots

Rounded to a practical precision: 47.8 kn.

How the calculation works

One mile per hour is 0.868976 knots, so:

55 mph × 0.868976 = 47.79369 kn

Reversing it, 47.79369 knots ÷ 0.868976 returns 55 miles per hour.

Nearby values

Miles Per HourKnots
51 mph44.31779 kn
52 mph45.18676 kn
53 mph46.05574 kn
54 mph46.92472 kn
55 mph47.79369 kn
56 mph48.66267 kn
57 mph49.53165 kn
58 mph50.40062 kn
59 mph51.2696 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 55 miles per hour?

55 miles per hour is 47.79369 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

Full miles per hour to knots converter · All speed converters