Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
contained less than
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "contained less than" is correct and usable in written English.
It can be used when discussing quantities, measurements, or amounts that are below a certain threshold. Example: "The container was found to have contained less than five liters of liquid."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
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
60 human-written examples
All but one contained less than 20 parts per billion.
News & Media
One premixed bag contained less than 1percentt of the Gemzar prescribed.
News & Media
Each of these regions contained less than 15% of the world's proven reserves.
Encyclopedias
All of the samples from CremaLita contained less than 1percentt fat, which makes them essentially fat free.
News & Media
Prior to the events, the water contained less than one-tenth of a microgram of perchlorate per liter.
News & Media
The diet in the new study contained less than half as much salt as most Americans eat.
News & Media
None of his six lattes contained 16 ounces as advertised – one contained less than 12 ounces after the foam settled.
News & Media
The supercooled liquid region can be found when the TFMG contained less than 7.1 at.% nitrogen.
Among these journals, 1432 (80%%) journals contained less than 10 articles.
Science
For subject profile; type II, type III, and type IV studies contained less than half of the 11 critical items.
Most surface streams contained less than 200 mg/l of carbonate and bicarbonate, but in ground water somewhat higher.
Science
Expert writing Tips
Best practice
When comparing amounts, ensure the units of measurement are consistent (e.g., "contained less than 10 grams" versus "contained less than 1 ounce").
Common error
Avoid ambiguity by clearly stating what is being compared. For instance, instead of "The sample contained less than expected", specify "The sample contained less arsenic than expected based on previous analyses."
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "contained less than" primarily functions as a comparative quantifier, indicating that a particular quantity or amount is smaller than a specified value. As Ludwig confirms, it is grammatically sound and readily used in various contexts.
Frequent in
Science
51%
News & Media
36%
Encyclopedias
2%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "contained less than" is a versatile phrase used to express that a certain quantity is below a specified amount. As Ludwig AI states, this phrase is grammatically correct and widely used across various domains, especially in science and news reporting. When employing this phrase, it's crucial to ensure clarity by stating the compared entities. Consider alternatives like "held fewer than" or "was below" to add variety to your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
was below
Simply states that a value was lower than a given point.
held fewer than
Focuses on the number of items held, emphasizing the quantity rather than the content.
included less than
Highlights the inclusion of a smaller quantity, suggesting it's part of a larger whole.
amounted to less than
Formally specifies the final quantity was smaller than the mentioned one.
measured less than
Specifically used when describing a measurement that is smaller than a given value.
had under
A more informal way to express an amount below a specific value.
did not exceed
Emphasizes that a value remained below a limit, focusing on the upper bound.
totaled under
Focuses on the overall sum being lower than a certain number.
fell short of
Indicates that a certain amount failed to reach a target or expectation.
did not reach
Similar to "fell short of", but can apply to both quantities and achievements.
FAQs
How do I use "contained less than" in a sentence?
Use "contained less than" to indicate that an amount or quantity was below a specified threshold. For example, "The sample "contained less than" 1% impurities."
What are some alternatives to "contained less than"?
You can use phrases like "held fewer than", "included less than", or "was below" depending on the context.
Is it correct to say "contain less than" instead of "contained less than"?
The verb tense depends on the context. "Contain less than" is used for present or general statements, while "contained less than" is used for past events or conditions.
What is the difference between "contained less than" and "did not exceed"?
"Contained less than" implies a quantity below a certain amount, while "did not exceed" emphasizes that a value remained below a limit. The former focuses on the actual amount, the latter on a maximum threshold.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested