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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
km per hour
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "km per hour" is correct and usable in written English.
It is typically used to express speed or velocity, particularly in contexts related to travel or transportation. Example: "The speed limit on this highway is 100 km per hour."
✓ Grammatically correct
Encyclopedias
News & Media
Science
Wiki
Formal & Business
Alternative expressions(1)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
59 human-written examples
Haiyan's winds continued to increase through the day, rising to 195 miles (314 km) per hour with gusts measured at 235 miles (378 km) per hour.
Encyclopedias
In 1963 the women's record stood at just over 89 miles (143 km) per hour, some 19 miles (30 km) per hour slower than the men's record.
Encyclopedias
This device is useful for very low airspeeds, below about 5 miles (8 km) per hour.
Encyclopedias
Speeds of up to 60 miles (96.6 km) per hour were attained.
Encyclopedias
On land it can travel over roads at 45 miles (70 km) per hour.
Encyclopedias
They can reach speeds of 80 miles (130 km) per hour.
Encyclopedias
For a short stretch the Rocket achieved a speed of 36 miles (58 km) per hour.
Encyclopedias
In early 2013 some trains began operating at up to 200 miles (320 km) per hour.
Encyclopedias
Trains originally reached top speeds of 130 miles (210 km) per hour, but improvements in track, train cars, and other components have made possible maximum speeds of between 150 and 185 miles (240 and 300 km) per hour.
Encyclopedias
At sea the vehicle could maintain a speed of 5 knots (about 6 statute miles, or 9 km, per hour), and on land it could go 50 miles (80 km) per hour.
Encyclopedias
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Friedrich Petersen decided that the ship would travel no faster than 12 knots (14 miles [22 km] per hour).
Encyclopedias
Expert writing Tips
Best practice
Use "km per hour" when specifying speed limits, travel speeds, or wind velocities in contexts where the metric system is standard. Make sure your audience is familiar with this unit of measurement.
Common error
Avoid interchanging "km per hour" with "miles per hour" (mph) within the same context without clear conversion, as it can lead to confusion, especially in regions where mph is the standard unit.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "km per hour" functions as a unit of speed, specifying the distance traveled in kilometers during a one-hour period. As Ludwig AI indicates, it's widely used and accepted in English.
Frequent in
Encyclopedias
26%
News & Media
25%
Wiki
13%
Less common in
Science
13%
Formal & Business
7%
Reference
0%
Ludwig's WRAP-UP
In summary, "km per hour" is a standard unit of speed, equivalent to "kilometres per hour", and commonly abbreviated as kph. Ludwig AI confirms its correct usage across diverse fields such as encyclopedias, news, science, and general information. While versatile, ensure unit consistency and avoid mixing with miles per hour without conversion. It's a neutral term suitable for both formal and informal communications. When writing "km per hour" aim at being clear, direct and make sure your audience is familiar with the metric system.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Kilometers per hour
Full form of the abbreviation, providing greater clarity.
Kph
Abbreviated form, suitable for concise communication.
Speed in kilometers per hour
Emphasizes that "km per hour" is a measure of speed.
Velocity in kilometers per hour
More formal term for speed in a specific direction.
Rate of travel in kilometers per hour
Focuses on the distance covered over time.
Kilometric speed per hour
Highlights the distance unit being used.
Speed measured in kilometers per hour
Specifies how the speed is quantified.
Movement rate in kilometers per hour
Describes the speed of movement.
Travel speed in kilometers per hour
Specifically relates to the speed of travelling.
Kilometers traveled per hour
Indicates the distance covered in one hour.
FAQs
What is another way to write "km per hour"?
You can use the abbreviation "kph" or spell it out as "kilometers per hour".
How do I convert "km per hour" to miles per hour?
To convert "km per hour" to miles per hour, multiply the "km per hour" value by 0.621371.
When should I use "km per hour" instead of miles per hour?
Use "km per hour" in countries that use the metric system, such as most of Europe, Asia, and South America. Use miles per hour in countries like the United States and the United Kingdom.
Is "km per hour" the same as "kilometres per hour"?
Yes, "km per hour" is simply an abbreviated form of "kilometres per hour", and both terms are interchangeable.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested