Marks Calc

knots to miles per hour

Convert knot to mile per hour — instant, free, with the formula shown.

1 kn=1.1508 mph

How to convert knot to mile per hour

To convert knot to mile per hour, multiply by 1.15077945:

mph = kn × 1.15077945

For example, 10 kn × 1.150779 = 11.5078 mph.

kn to mph conversion table

knots (kn)miles per hour (mph)
1 kn1.1508 mph
2 kn2.3016 mph
5 kn5.7539 mph
10 kn11.5078 mph
25 kn28.7695 mph
50 kn57.539 mph
100 kn115.0779 mph
250 kn287.6949 mph
500 kn575.3897 mph
1000 kn1150.7794 mph
Reverse: Mile per Hour to Knot

Other knot conversions

Convert to mile per hour from another unit

kn to mph — frequently asked

How many miles per hour are in 1 knot?

1 knot = 1.1508 miles per hour (kn × 1.150779 = mph).

What is the formula to convert knot to mile per hour?

Multiply your knot value by 1.15077945 to get mile per hour.

How do I convert 10 knots to miles per hour?

10 kn = 11.5078 mph. For 100 kn the answer is 115.0779 mph. Use the calculator on this page for any other value.

When to convert knot to mile per hour

1Driving and traffic (mph ↔ km/h)
2Aviation and maritime (knots, Mach)
3Running, cycling and sports (km/h, mph, m/s)
4Physics and engineering (m/s)

Speed conversion — common questions

What is 60 mph in km/h?

60 mph × 1.60934 ≈ 96.56 km/h.

Why are nautical and aviation speeds in knots?

1 knot = 1 nautical mile per hour, and the nautical mile is based on Earth's geometry (1/60 of one degree of latitude), which makes navigation calculations simpler.

How fast is Mach 1?

Mach 1 is the speed of sound, ≈ 343 m/s at sea level at 20 °C. It varies with temperature and altitude.

See all speed converters