In vs Into

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

In

High-frequency chunk A1 preposition

Into

High-frequency chunk A1 preposition

	In	Into
Pronunciation	🇬🇧 /["/ɪn/","/ˈɪn ðət/"]/ 🇺🇸 /["/ɪn/","/ˈɪn ðət/"]/	🇬🇧 /["/ˈɪntə//ˈɪntu//ˈɪntuː/"]/ 🇺🇸 /["/ˈɪntə//ˈɪntu//ˈɪntuː/"]/
Meaning	Inside a place or area.	In or to the inside of something.
Example	The book is in the bag.	She walked into the room with a big smile.
Register	Neutral	Neutral
How common	High-frequency chunk	High-frequency chunk
CEFR level	A1	A1
Part of speech	preposition	preposition
Collocations	in the room, in the city, in control	walk into, jump into, get into
Antonyms	out, outside	out of, away from
Common mistakes	Saying 'in Monday' instead of 'on Monday', Using 'in' with time periods that require 'at' or 'on', Confusing 'in' and 'inside' in some contexts	'In' vs. 'into' confusion: Learners might use 'in' when action is implied., Using 'into' incorrectly with static situations: e.g., 'He is into the room' instead of 'He is in the room.'
Usage notes	Use 'in' for locations, boundaries, or situations. Avoid using it for time expressions where 'at' or 'on' is appropriate.	Use 'into' to describe movement or change. It's appropriate in neutral contexts but may sound overly formal in casual speech.

Frequently asked questions: In vs Into

What's the difference between In and Into?

In: Inside a place or area. Into: In or to the inside of something.

Are In and Into the same CEFR level?

In: A1, Into: A1 on the CEFR scale.

What part of speech are In and Into?

In: preposition, Into: preposition.

Can you show an example of each?

In: The book is in the bag. Into: She walked into the room with a big smile.

Can I use In and Into interchangeably?

Not always. In and Into 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.