Capability vs Capacity

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

 CapabilityCapacity
MeaningThe ability to do something.How much something can hold or do.
CEFR levelC1B2
Part of speechnounnoun
Usage notesUse 'capability' in professional or academic contexts to discuss skills or potential. It's not commonly used in casual conversations.Used 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.

Frequently asked questions: Capability vs Capacity

What's the difference between "Capability" and "Capacity"?

"Capability" means: The ability to do something. "Capacity" means: How much something can hold or do.

When should I use "Capability" and "Capacity"?

They can all be used in everyday English.

Are "Capability" and "Capacity" the same CEFR level?

"Capability" is at C1, "Capacity" is at B2 on the CEFR scale.

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