an upper limit of

USAGE SUMMARY

The phrase "an upper limit of" is correct and usable in written English.
It can be used when specifying a maximum threshold or boundary for a quantity or value. Example: "The budget for the project has an upper limit of $50,000."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

a An upper limit of 104 weeks was used.

BMC Psychiatry

Since 2000, tuition in England has jumped from £0 to an upper limit of £9,000.

The Guardian

Until the prime minister's announcement, it had set an upper limit of 750 refugees a year.

The Guardian - Opinion

The statistician Reza Noubary agrees, estimating "with 95% confidence" an upper limit of 9.44.

The Guardian - Sport

Groups on the register must keep to an upper limit of £700,000.

The Guardian

Last November, the scientists reported an upper limit of 6 parts per billion.

The New York Times - Science

There was also no estimate of an upper limit of the possible toll.

Independent

There is thus no way to precisely define an upper limit of exercise for an average healthy individual.

The New Yorker

In some studies, we found an upper limit of 20 cell clusters completely devoid of proliferation makers.

Nature

The yield stress saturates to an upper limit of 1 GPa at λ = 70 nm.

Acta Materialia

One of its consequences is the prediction of an upper limit of the sunspot areas.

Advances in Space Research

Expert writing Tips

Best practice

When using "an upper limit of", clearly define the units of measurement to avoid ambiguity. For instance, specify "an upper limit of 1000 kilograms" instead of just "an upper limit of 1000".

Common error

Avoid using "an upper limit of" when referring to a target or goal. This phrase indicates a restriction or maximum, not a desired outcome. Instead of saying "The goal is to have an upper limit of 10 clients", consider "The goal is to have a maximum of 10 clients".

Linguistic Context

The phrase "an upper limit of" functions as a prepositional phrase that modifies a noun, specifying a maximum or boundary. It indicates a restriction on the quantity or value being discussed. Ludwig AI confirms the correct and usable nature of this phrase.

Expression frequency: Very common

Frequent in

Science

50%

News & Media

43%

Formal & Business

7%

Less common in

Ludwig's WRAP-UP

In summary, "an upper limit of" is a versatile phrase used to define a maximum threshold or boundary. Ludwig AI analysis confirms that it is grammatically correct and frequently used in various contexts, particularly in science and news. When writing, ensure clarity by specifying units of measurement and avoiding its use when referring to targets rather than restrictions. Consider alternatives like ""a maximum of"" or ""a ceiling of"" depending on the specific nuance you wish to convey.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a maximum threshold of

Replaces "limit" with "threshold", emphasizing a point beyond which something changes.

a ceiling of

Uses a more visual metaphor to indicate a maximum value or quantity.

a cap of

Implies an officially imposed restriction or maximum.

a maximum of

Simplifies the phrase by directly stating "maximum".

a top end of

Replaces "limit" with a colloquial "top end", indicating the highest point.

an extreme of

Highlights that the limit is at the farthest end of a range.

the uppermost bound of

Formal and technical, indicating the highest possible value.

a restriction of

Emphasizes the limiting aspect rather than the maximum value itself.

a high-end threshold of

Uses "high-end" to further clarify that the threshold is at the maximum.

a not-to-exceed value of

Expresses the limit as a value that must not be surpassed.

FAQs

How can I use "an upper limit of" in a sentence?

Use "an upper limit of" to specify a maximum or a boundary for a quantity or value. For example: "The project budget has "an upper limit of" $50,000."

What are some alternatives to "an upper limit of"?

Alternatives include "a maximum of", "a ceiling of", or "a cap of", depending on the context.

Is it correct to say "a upper limit of" instead of "an upper limit of"?

No, the correct phrasing is ""an upper limit of"". The article "an" is used because "upper" begins with a vowel sound.

When is it appropriate to use "an upper limit of" versus "a lower limit of"?

"An upper limit of" is used when specifying the highest possible value, while "a lower limit of" indicates the lowest possible value. For example, "The temperature has "an upper limit of" 30 degrees Celsius and "a lower limit of" 10 degrees Celsius."