計

• 読み: けい
• ローマ字: kei
• 漢字の分解: 計 (kei) — to measure, to count, total, plan
• 発音: /keː/

意味

Total; sum; plan. Used as a suffix meaning total or as part of compounds relating to measurement and planning.

A noun and suffix with two main uses. As a suffix, it means total or sum, as in 合計 (grand total) or 小計 (subtotal). It also appears in measurement instruments: 温度計 (thermometer), 時計 (clock or watch), 体重計 (scale). As a standalone word, it can mean a plan or scheme, though this usage is less common in modern Japanese.

例文

1. 買い物の合計は三千円だった。
2. この温度計は壊れているかもしれない。
3. 参加者は全部で計五十人だった。

使い方ガイド

場面: math, shopping, measurement

トーン: neutral

起源と歴史

The kanji 計 combines 言 (words, speech) and 十 (ten), originally suggesting counting or calculating with words. It has evolved to encompass both counting and planning.

文化的背景

時代: Ancient

世代: All ages

社会的背景: Universal