在内

• Pinyin: zài nèi
• Hanzi breakdown: 在 = at/in; 内 = inside/within

Meaning

Including; inclusive of. Indicating something is included within a group or count.

Used to clarify that something is part of a larger group. Often follows 包括: 包括...在内 (including...). Opposite: 在外 (excluding). Common in formal and written Chinese.

Examples

1. 包括我在内，一共有五个人参加。 Including me, five people participated in total.
2. 价格包括运费在内。 The price includes shipping.
3. 全部费用，包括住宿在内，大约五千元。 All costs, including accommodation, are about five thousand yuan.

Usage Guide

Context: counting, business, clarification

Tone: neutral

Do Say

• 算上我在内，一共六个人。(Including me, there are six people in total.)
• 税费包括在内吗？(Is tax included?)

Don't Say

• 在内三个人 (Word order is wrong — say 包括...在内 or ...在内)

Origin & History

Compound of 在 (at, in) and 内 (inside). Being inside/included.

Cultural Context

Generation: All ages

Social background: Universal