mph

USAGE SUMMARY

The phrase "mph" is correct and usable in written English.
It is typically used to denote "miles per hour," a unit of speed commonly used in the context of vehicles and travel. Example: "The speed limit on this highway is 65 mph."

✓ Grammatically correct

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

In 1924, Malcolm Campbell set a world land speed record of 146.16 mph here in his Sunbeam 350HP car, Blue Bird.

The Guardian - Tech

The ball was propelled at 77mph, at least 10 mph slower than in his heyday, but it headed in the right direction.

The Guardian - Sport

The TGV, France's homegrown high-speed railway train, has just reached the dazzling world-beating speed of 575 kph (357 mph) on the new line from Paris to Strasbourg.

The Economist

But although it would take such an engine about two and a half days to accelerate from nought to 100 kph (60 mph), by September 1999 (the month in which the mission is currently planned to end), Deep Space 1 will have increased its speed by some 13,000 kph.Ion engines work by stripping electrons from gas atoms (in this case the gas is xenon) using an electric current.

The Economist

The FRA study curtails its ambitions appropriately, discarding speeds of over 160 mph (258 kph) out of hand, and instead focussing on cheaper, more modest improvements.

The Economist

We continue to work toward the goal of 220 mph service on the NEC, while mindful of the tremendous investment necessary to upgrade the infrastructure to a point that can support such speeds".That's exactly the issue.

The Economist

(At a 35-mph side-impact crash, the structure of the car seat can make a difference; at 70 mph, the infant's safety depends much more on the structure of the car).

The Economist

This elegant manoeuvre is the complete opposite of a Peregrine falcon's roll off the top and blistering 300 km/h (200 mph) stoop from a thousand metres of more.

The Economist

If you are riding your bicycle into a 30 mph headwind that drops to 15 mph, you'll accelerate with no additional effort.

The Economist

Modern paper machines make newsprint at speeds of about 60 mph.

The Economist

There's a $1.66 billion option that would add 64 miles of new mainline track, allowing speeds of up to 90 miles per hour between Schenectady and Buffalo, but with an average speed of 57 mph.

The Economist

Expert writing Tips

Best practice

Use "mph" consistently within a document or context to maintain clarity and avoid confusion. If your audience is international, consider providing the equivalent speed in kilometers per hour (km/h) in parentheses.

Common error

Ensure "mph" is always written in lowercase. Writing it as "MPH" or "Mph" is incorrect.

Linguistic Context

The initialism "mph" functions as a unit of measurement, specifically indicating speed in miles per hour. As Ludwig AI confirms, this is a standard and acceptable usage. It quantifies the rate at which an object travels.

Expression frequency: Very common

Frequent in

News & Media

40%

Encyclopedias

35%

Science

25%

Less common in

Formal & Business

0%

Wiki

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "mph" is a widely used and grammatically correct initialism for "miles per hour". As confirmed by Ludwig AI, it serves as a standard unit for measuring speed, particularly in countries using the imperial system. Its neutral register makes it suitable for diverse contexts like news reports, encyclopedic entries, and scientific discussions. The most frequent contexts for "mph" are News & Media and Encyclopedias, indicating its prevalence in both journalistic and academic spheres. When writing, ensure consistent capitalization (lowercase) and consider providing km/h equivalents for international audiences.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

miles per hour

This is the full form of the initialism "mph".

speed in miles per hour

Explicitly states that the speed is measured in miles per hour.

velocity in mph

Uses "velocity" instead of "speed" and specifies "mph".

speed of travel in mph

More verbose way to describe speed during travel, measured in "mph".

velocity measured in mph

Specifies that the velocity is quantified in "mph".

ground speed in mph

Refers specifically to the speed of an object over the ground, measured in "mph".

airspeed in mph

Refers to the speed of an aircraft relative to the air, measured in "mph".

speed expressed in mph

Highlights that the speed is conveyed using "mph" as the unit.

rate of travel in mph

Emphasizes the rate at which something is traveling, specified in "mph".

kilometers per hour

Expresses speed in metric units instead of imperial units.

FAQs

What does "mph" stand for?

"Mph" stands for miles per hour, a unit of speed expressing the number of miles traveled in one hour.

How do I convert "mph" to kilometers per hour (km/h)?

To convert "mph" to kilometers per hour, multiply the "mph" value by 1.60934. For example, 60 "miles per hour" is approximately 96.56 km/h.

When should I use "mph" instead of kilometers per hour?

Use "mph" primarily when writing for audiences in countries that use the imperial system, such as the United States and the United Kingdom. For international audiences or in scientific contexts, kilometers per hour is more appropriate.

Is it correct to use "miles per hour" instead of "mph"?

Yes, "miles per hour" is the full form of the abbreviation "mph" and can be used interchangeably, especially in more formal writing where you might want to avoid abbreviations on first mention.