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 mile per hour?

Mile per hour is a unit of speed equal to one mile travelled in one hour. It is the standard unit for road speeds, vehicle performance ratings, and weather reports in the United States and United Kingdom.

Real-world uses

Miles per hour is the standard speed unit for road traffic in the United States, the United Kingdom, and a few other countries. Baseball pitching speed, hurricane wind categories (Saffir-Simpson scale), and NASCAR race speeds are quoted in mph.

History

Miles per hour became the standard speed expression in English-speaking countries with the advent of railways and later automobiles. The first US speed limit (8 mph in New York City, 1901) and British speed cameras use mph as the legal standard.

Common mistakes

Assuming mph-to-km/h conversion is a simple ×1.5—the actual factor is 1.609. Also, forgetting that UK and US speed limits both use mph, which can mislead visitors from metric countries into driving too fast or too slow.

When is this conversion used?

Speed limits, vehicle speedometers, and weather reports for wind speeds use different units depending on the country, making km/h to mph conversion one of the most practical speed conversions.

Worked examples

1 mile per minute = 60 mile per hour

1 mile per hour = 0.44704 metre per second

How to convert mile per minute to mile per hour

To convert mile per minute to mile per hour, multiply the value by 60.

To convert mile per hour back to mile per minute, multiply by 0.01666667.

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 mile per hour

mile per minute	mile per hour
0.1	6
0.5	30
1	60
2	120
5	300
10	600
25	1,500
50	3,000
100	6,000
250	15,000
500	30,000
1,000	60,000

Common values

	mile per minute	mile per hour
Walking speed	0.05219518 mile per minute	3.13171081 mile per hour
City speed limit	0.51822357 mile per minute	31.09341446 mile per hour
Highway driving	1.1669351 mile per minute	70.01610594 mile per hour
Commercial aircraft	9.32056788 mile per minute	559.23407301 mile per hour
Speed of sound (sea level)	12.68678418 mile per minute	761.20705082 mile per hour

Available Speed units

More mile per minute conversions

Assumption: Mach uses an approximate sea-level reference (about 340.29 m/s).