What about vs What if we did

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

What about

Top 2,000 (common)

What if we did

Top 2,000 (common)
 What aboutWhat if we did
Pronunciation🇬🇧 //wɒt əˈbaʊt//🇺🇸 //wɑt əˈbaʊt//🇬🇧 //wɒt ɪf wi dɪd//🇺🇸 //wɑt ɪf wi dɪd//
MeaningA way to ask for someone's opinion on a subject.A phrase used to suggest a possibility or idea.
ExampleWhat about going to the beach this Saturday?What if we did a road trip across the country this summer?
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CollocationsWhat about that, What about this, What about mewhat if we tried, what if we changed, what if we went, what if we wanted, what if we said
Common mistakesConfused with 'What about that?' - often used differently in context., Not using it to introduce new topics when needed., Overusing in formal discussions where direct questions are preferred.Using 'what if' without a proper context or follow-up., 'What if we did' can be confused with 'what if we do'., Overusing the phrase in formal settings where suggestions are unwelcome.
Usage notesUsed in conversation to introduce a new topic or ask for opinions. Appropriate in most informal and neutral contexts.Use this phrase to propose hypothetical situations. It’s appropriate for discussions, brainstorming, and casual conversations. Avoid in formal writing.

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What about
What if we did

Frequently asked questions: What about vs What if we did

What's the difference between What about and What if we did?

What about: A way to ask for someone's opinion on a subject. What if we did: A phrase used to suggest a possibility or idea.

Can you show an example of each?

What about: What about going to the beach this Saturday? What if we did: What if we did a road trip across the country this summer?

Can I use What about and What if we did interchangeably?

Not always. What about and What if we did 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.