What is mile per minute?

Mile per minute is a unit of speed equal to 60 miles per hour. It is occasionally used in motorsport, aviation briefings, and quick calculations for high-speed travel in imperial measurement systems.

Real-world uses

Miles per minute is occasionally used in aviation for expressing high speeds in a more intuitive way than mph for American audiences. An airliner cruising at about 575 mph is traveling roughly 9.6 miles per minute, making distance-to-destination calculations easier.

History

Miles per minute has never been widely adopted as a formal unit but emerged informally in American aviation contexts where expressing high speeds in mph yields very large numbers. It provides a more intuitive sense of how quickly distance is covered.

Common mistakes

Confusing miles per minute with miles per hour—1 mi/min = 60 mph. This is a speed unit rarely seen in everyday use, so people may misinterpret the scale of the numbers involved.

What is knot?

A knot is a unit of speed equal to one nautical mile per hour, approximately 1.852 km/h. It is the international standard for maritime navigation, aviation, and meteorological wind speed reporting.

Real-world uses

Knots are the universal speed unit in maritime navigation and aviation worldwide, regardless of whether a country uses metric or imperial. Ship speeds, ocean currents, wind speed in aviation weather (METAR) reports, and jet stream velocities are all given in knots.

History

The knot originates from the 17th-century practice of measuring ship speed by throwing a log overboard attached to a rope with knots tied at regular intervals. Sailors counted how many knots paid out in a fixed time (measured by a sandglass).

Common mistakes

Saying "knots per hour"—a knot already means nautical miles per hour, so adding "per hour" is redundant and incorrect. Also, confusing knots with km/h: 1 knot ≈ 1.852 km/h.

When is this conversion used?

Converting mile per minute to knot is useful in the speed domain when comparing values across different measurement standards or applying formulas that require a specific unit.

Worked examples

1 mile per minute = 52.13857452 knot

1 knot = 0.51444444 metre per second

How to convert mile per minute to knot

To convert mile per minute to knot, multiply the value by 52.13857452.

To convert knot back to mile per minute, multiply by 0.01917966.

Measurement standards

The SI unit of speed is metres per second (m/s), a derived unit requiring no independent definition. The knot is defined as exactly one nautical mile (1,852 metres) per hour and is sanctioned for maritime and aeronautical navigation by the International Civil Aviation Organization.

Did you know?

The fastest human-made object is the Parker Solar Probe, which reached 635,266 km/h (about 176 km/s) in 2024 during a close pass of the Sun — fast enough to travel from New York to Tokyo in under a minute.

Quick reference: mile per minute to knot

mile per minuteknot
0.15.21385745
0.526.06928726
152.13857452
2104.27714904
5260.69287259
10521.38574519
251,303.46436296
502,606.92872593
1005,213.85745185
25013,034.64362964
50026,069.28725927
1,00052,138.57451854

Common values

mile per minuteknot
Walking speed0.05219518 mile per minute2.72138229 knot
City speed limit0.51822357 mile per minute27.01943845 knot
Highway driving1.1669351 mile per minute60.84233262 knot
Commercial aircraft9.32056788 mile per minute485.96112315 knot
Speed of sound (sea level)12.68678418 mile per minute661.47084239 knot