Hanzi Grove
开
HSK 1 (exam 2025)HSK 1 (2021)Old HSK 1

开 (kāi) · to open

4 strokesRadical 廾Top–bottom

开 (kāi) means “to open”. It is made of 一 + 廾 and has 4 strokes, and is an HSK 1 word in the current exam syllabus (2025).

Break 开 into its parts

What 开 is made of

Origin hint: Simplified form of 開; hands 廾 lifting the latch 一 of a door (from the Make Me a Hanzi dataset; treat as a memory aid where history is uncertain)

开 stroke order

开 stroke order diagram: 4 strokes, numbered in writing order
开 is written with 4 strokes. Follow the numbers: each circle marks where a stroke starts. See the stroke order rules.

Example sentences

商店几点开门?Shāngdiàn jǐ diǎn kāi mén?What time does the shop open?
请开一下门。Qǐng kāi yīxià mén.Please open the door.

Words with 开

Also built with 一

Quick facts

Pinyinkāi
Meaningto open; to drive; to start
Strokes4
Radical廾 (two hands, #55)
PatternTop–bottom
HSKHSK 1 (exam 2025) · HSK 1 (2021) · Old HSK 1

Questions about 开

What does 开 mean?

开 (kāi) means “to open; to drive; to start”.

How many strokes does 开 have?

开 has 4 strokes.

What is the radical of 开?

The radical of 开 is 廾 (gǒng, “two hands”), Kangxi radical number 55.

What parts make up 开?

开 is made of 一 (horizontal stroke) and 廾 (two hands).

Which HSK level is 开?

开 is in HSK 1 (exam 2025) and HSK 1 (2021) and Old HSK 1.

Learn 开 with its group

It is part of HSK 1 (2021) · Group 42: a short group with quick checks and spaced repeats.

Open the group