計算に入れる

• Reading: けいさんにいれる
• Romaji: keisan ni ireru
• Kanji breakdown: 計 (kei) — measure, plan; 算 (san) — calculate; 入 (nyū/i) — enter, put in
• Pronunciation: /keː.saɴ.ni.i.ɾe.ɾɯ/

Meaning

To factor in; to take into account; to include in one's calculations or considerations.

An idiomatic expression using the Group 2 (ichidan) verb 入れる. Literally means to put something into one's calculations. Used in planning, budgeting, and decision-making when emphasizing that a certain variable should not be overlooked.

Examples

1. 交通費も計算に入れておいたほうがいい。 You should factor in transportation costs as well.
2. 天候の変化を計算に入れて行動した。 We factored in changes in the weather before making our move.
3. リスクを計算に入れていなかったのが失敗の原因だ。 Failing to account for the risks was the cause of the failure.

Usage Guide

Context: planning, business, daily life

Tone: practical

Origin & History

From 計算 (calculation, from Sino-Japanese 計 count + 算 compute) and 入れる (to put in). The literal image is of placing a factor inside one's mental calculation.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal