Drop your jaw slightly with relaxed lips. Touch the tongue tip behind the bottom front teeth and arch the top-front toward the roof.

Americans pronounce in as ihn (/ɪn/). You'll hear it in sentences like "Just jump in" or "March in March" — more examples below.
Record yourself saying "in" and play it back. The mic stays on your device — nothing's uploaded.
1 syllable, 2 sounds. Explore each sound's mouth shape and how it's made.
Click any sentence to see the full breakdown — every link, every reduction, every flap-T.