Into vs Within

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

Into

High-frequency chunk A1 preposition

Within

Top 5,000 (fairly common) B1 preposition

Most common: Into

	Into	Within
Pronunciation	🇬🇧 /["/ˈɪntə//ˈɪntu//ˈɪntuː/"]/ 🇺🇸 /["/ˈɪntə//ˈɪntu//ˈɪntuː/"]/	🇬🇧 /["/wɪˈðɪn/"]/ 🇺🇸 /["/wɪˈðɪn/"]/
Meaning	In or to the inside of something.	inside or in a certain area
Example	She walked into the room with a big smile.	The treasure is hidden within the ancient ruins.
Register	Neutral	Neutral
How common	High-frequency chunk	Top 5,000 (fairly common)
CEFR level	A1	B1
Part of speech	preposition	preposition
Collocations	walk into, jump into, get into	within reach, within minutes, within the limits
Antonyms	out of, away from	outside, beyond
Common mistakes	'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.'	Confused with 'with in', which is incorrect., Used incorrectly with non-physical spaces, such as emotions., Omitted the object after 'within' when necessary.
Usage notes	Use 'into' to describe movement or change. It's appropriate in neutral contexts but may sound overly formal in casual speech.	Use 'within' to indicate something is contained or limited inside a space or time. It’s more formal than 'in' and is often used in writing or official contexts.

See it in real clips

Peaky Blinders › S1 E1

It is well within my power

A Knight Of The Seven Kingdoms › S1 E1

Within every man, there are many men.

Agents of S.H.I.E.L.D. › S1 E1

He'll take out anyone within a two-block radius.

Peaky Blinders › S1 E1

It is well within my power

A Knight Of The Seven Kingdoms › S1 E1

Within every man, there are many men.

Within

Frequently asked questions: Into vs Within

What's the difference between Into and Within?

Into: In or to the inside of something. Within: inside or in a certain area

Which is more common: Into and Within?

Into is the most common in everyday English.

Which is more advanced: Into and Within?

Within is the highest level, at B1, on the CEFR scale.

Are Into and Within the same CEFR level?

Into: A1, Within: B1 on the CEFR scale.

What part of speech are Into and Within?

Into: preposition, Within: preposition.

Can you show an example of each?

Into: She walked into the room with a big smile. Within: The treasure is hidden within the ancient ruins.

Can I use Into and Within interchangeably?

Not always. Into and Within 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.