Mile per Hour to Knot (UK) Conversion

Convert between Mile per Hour and Knot (UK) quickly and accurately.

mph
kt (UK)

How to Convert Mile per Hour to Knot (UK)

Conversion Formula

1 mph = 0.868 kt (UK)
1 kt (UK) = 1.152 mph

Example

Convert 15 mph to kt (UK):

15 mph = 15 × 0.868 kt (UK) = 13.026 kt (UK)

Unit Information

Learn about the speed units you're converting between

Mile per Hour

mph

Definition

The mile per hour is a unit of speed expressing the number of statute miles traveled in one hour. It is primarily used in the United States, United Kingdom, and other countries that have not fully adopted the metric system for everyday measurements.

History/Origin

Mile per hour has its origins in the British Imperial system and was widely used in the British Empire. It became the standard speed unit in the United States and remains the primary unit for road traffic, aviation, and weather reporting in these countries.

Current Use

Mile per hour is used for speed limits, speedometers, weather reports, and aviation in the US, UK, and other imperial system countries. It is also commonly used in sports, particularly in motorsports and athletics in these regions.

Multiplier

0.447

Offset

0

Knot (UK)

kt (UK)

Definition

The UK knot is a variant of the standard knot used in the United Kingdom, representing one UK nautical mile per hour. It differs slightly from the international knot due to the different definition of the nautical mile used in the UK.

History/Origin

The UK knot was developed when the United Kingdom used a slightly different definition of the nautical mile. This created a small difference in the knot measurement, which was standardized for UK maritime and aviation applications.

Current Use

The UK knot is used in the United Kingdom for maritime navigation, aviation, and meteorological applications. It is gradually being replaced by the international knot as the UK adopts international standards, but it is still used in some legacy applications.

Multiplier

0.515

Offset

0

Mile per Hour to Knot (UK) Conversion Table

Mile per Hour [mph] Knot (UK) [kt (UK)]
1 mph 0.868421 kt (UK)
10 mph 8.684211 kt (UK)
25 mph 21.710526 kt (UK)
50 mph 43.421053 kt (UK)
100 mph 86.842105 kt (UK)
0 mph 0E+0 kt (UK)
-10 mph -8.684211 kt (UK)
-40 mph -34.736842 kt (UK)

Related Conversions

Explore more Speed conversion options

Mile per Hour to Meter per Second

Quick conversion

Mile per Hour to Kilometer per Hour

Quick conversion

Mile per Hour to Meter per Hour

Quick conversion

Mile per Hour to Meter per Minute

Quick conversion

Mile per Hour to Kilometer per Minute

Quick conversion

Mile per Hour to Kilometer per Second

Quick conversion

Mile per Hour to Centimeter per Hour

Quick conversion

Mile per Hour to Centimeter per Minute

Quick conversion

Mile per Hour to Centimeter per Second

Quick conversion

Mile per Hour to Millimeter per Hour

Quick conversion

Mile per Hour to Millimeter per Minute

Quick conversion

Mile per Hour to Millimeter per Second

Quick conversion

Mile per Hour to Foot per Hour

Quick conversion

Mile per Hour to Foot per Minute

Quick conversion

Mile per Hour to Foot per Second

Quick conversion

Mile per Hour to Yard per Hour

Quick conversion

Mile per Hour to Yard per Minute

Quick conversion

Mile per Hour to Yard per Second

Quick conversion

Mile per Hour to Mile per Minute

Quick conversion

Mile per Hour to Mile per Second

Quick conversion

Mile per Hour to Knot

Quick conversion

Mile per Hour to Knot (UK)

Quick conversion

Mile per Hour to Velocity of Light in Vacuum

Quick conversion

Mile per Hour to Cosmic Velocity - First

Quick conversion

Mile per Hour to Cosmic Velocity - Second

Quick conversion

Mile per Hour to Cosmic Velocity - Third

Quick conversion

Mile per Hour to Earth's Velocity

Quick conversion

Mile per Hour to Velocity of Sound in Pure Water

Quick conversion

Mile per Hour to Velocity of Sound in Sea Water (20°C, 10 meter deep)

Quick conversion

Mile per Hour to Mach (20°C, 1 atm)

Quick conversion

Mile per Hour to Mach (SI Standard)

Quick conversion