Capacity vs Litre

When to use each in English, with meaning, register, and examples.

Capacity

Top 2,000 (common)B2noun

Litre

Top 2,000 (common)B2noun
 CapacityLitre
Pronunciation🇬🇧 //kəˈpæs.ɪ.ti//🇺🇸 //kəˈpæ.sɪ.ti//🇬🇧 /["/ˈliːtə(r)/"]/🇺🇸 /["/ˈliːtər/"]/
MeaningHow much something can hold or do.A measure of liquid that is equal to 1,000 milliliters.
ExampleThe capacity of the stadium is 50,000 people.3 litres of water
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB2B2
Part of speechnounnoun
Collocationsfull capacity, seating capacity, at capacity, capacity limitsone litre, litres of water, litre bottle
Antonymsinability, incapacity-
Common mistakesConfused with 'capability', which refers to ability rather than volume., Using 'capacity' for individual abilities when 'capability' is more appropriate., Mispronouncing the word with emphasis on the wrong syllable.Confusing 'litre' with 'liter' (American spelling)., Using 'litres' for singular contexts instead of 'litre'., Mistaking litre for a general measurement without specifying a liquid.
Usage notesUsed in both formal and informal contexts. Common in discussions about limits or ability. Not typically used in casual conversation unless referring to space or limits.Used mainly in the metric system. Common across many countries; less common in the US, which uses gallons. Appropriate in both spoken and written contexts when discussing volume.

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Litre

Frequently asked questions: Capacity vs Litre

What's the difference between Capacity and Litre?

Capacity: How much something can hold or do. Litre: A measure of liquid that is equal to 1,000 milliliters.

Are Capacity and Litre the same CEFR level?

Capacity: B2, Litre: B2 on the CEFR scale.

Can I use Capacity and Litre interchangeably?

Not always. Capacity and Litre are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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