In case you didn't know that vs Just so you know
When to use each in English, with meaning, register, and examples.
In case you didn't know that
Just so you know
| In case you didn't know that | Just so you know | |
|---|---|---|
| Pronunciation | 🇬🇧 //ɪn keɪs jʊ ˈdɪdnt nəʊ ðæt//🇺🇸 //ɪn keɪs jʊ ˈdɪdnt noʊ ðæt// | 🇬🇧 //dʒʌst səʊ jʊ nəʊ//🇺🇸 //dʒʌst soʊ jʊ noʊ// |
| Meaning | If you weren't aware of this | A way to tell someone information casually. |
| Example | In case you didn't know that, the meeting has been rescheduled. | Just so you know, the meeting has been moved to 3 PM. |
| Register | Neutral | Informal |
| How common | Beyond 10,000 (less common) | Top 2,000 (common) |
| Collocations | just so you know, for your information, in case you were wondering | just so you know, I wanted to tell you, just so you know, the time has changed, just so you know, it's not confirmed yet |
| Common mistakes | Using it in overly formal contexts., Omitting 'that' in casual speech., Misplacing the phrase within a sentence. | Used in formal emails where a direct statement is needed., Confused with phrases like 'for your information' for more formal contexts. |
| Usage notes | This phrase is typically used to introduce information that might be surprising or new to the listener. It's appropriate for both spoken and written contexts, but can feel slightly informal in very formal writing. | Use this phrase when you want to inform someone without being too formal. It works well in conversations among friends. |
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Frequently asked questions: In case you didn't know that vs Just so you know
What's the difference between In case you didn't know that and Just so you know?
In case you didn't know that: If you weren't aware of this Just so you know: A way to tell someone information casually.
Which is more formal: In case you didn't know that and Just so you know?
In case you didn't know that is the most formal of these.
Which is more common: In case you didn't know that and Just so you know?
Just so you know is the most common in everyday English.
Can you show an example of each?
In case you didn't know that: In case you didn't know that, the meeting has been rescheduled. Just so you know: Just so you know, the meeting has been moved to 3 PM.
Can I use In case you didn't know that and Just so you know interchangeably?
Not always. In case you didn't know that and Just so you know 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.