Translation and Meaning of: 計 - kei

The Japanese word 計[けい] may seem simple at first glance, but it carries meanings and uses that go beyond the basic. In this article, we will explore its meaning, origin, and how it is used in everyday life in Japan. If you are studying Japanese or just curious about the language, understanding words like 計[けい] can open doors to more natural and contextualized communication.

In addition to uncovering the translation and the kanji that compose it, let's dive into practical examples and curiosities that make this word an interesting piece of Japanese vocabulary. Whether for those seeking to learn Japanese efficiently or for those wanting to learn more about the culture behind the language, this text will provide valuable information about 計[けい].

Meaning and use of 計[けい]

計[けい] is a term that generally refers to "counting," "calculation," or "plan." It appears in compound words such as 計算[けいさん] (calculation) and 計画[けいかく] (plan, project). Its presence in technical and everyday vocabulary shows how versatile and useful it is for expressing ideas related to organization and measurement.

In business or academic contexts, 計[けい] is often used to indicate metrics and strategies. For example, 会計[かいけい] means "accounting," highlighting its connection to numbers and records. This practical application makes it a relevant word for those studying Japanese with a focus on business or exact sciences.

Origin and writing of the kanji 計

The kanji 計 is composed of two main elements: 言[ごんべん] (related to speech) and 十[じゅう] (ten). This combination suggests the idea of "speaking numbers" or "organizing information," which makes sense considering its current meaning. The etymology reinforces its connection with counting and planning, concepts that have been present since its creation.

It is worth noting that 計 is not an isolated kanji—it appears in various combinations that broaden its meaning. Learning these compounds can be an effective strategy to memorize not only the character itself but also to expand vocabulary. Words like 時計[とけい] (clock) show how it adapts to different contexts.

Tips for memorizing and using 計[けい]

An effective way to fix 計[けい] is to associate it with everyday situations. For example, when looking at a clock (時計), remember that it "counts" the hours. This type of mental connection helps retain not only the meaning but also the pronunciation and the kanjis involved. Another tip is to practice with simple sentences, like "この計画は重要です" (This plan is important).

Moreover, observing how 計[けい] appears in authentic materials—such as news, manuals, or even in animes—can solidify your learning. Words like 合計[ごうけい] (total) are common in commercial contexts, so paying attention to these real uses makes study more dynamic and applicable.

Vocabulary

Expand your vocabulary with related words:

Synonyms and similar words

• 算 (san) - Calculate, compute.
• 数える (kazoeru) - Count, enumerate.
• 測る (hakaru) - Measure, evaluate (usually used for physical quantities).
• 計算する (keisan suru) - Calculate, do calculations (emphasizes the calculation process).
• 計量する (keiryou suru) - Weighing, measuring in terms of quantity (emphasizes precise measurements).

計

Romaji: kei
Kana: けい
Type: noun
L: -

Translation / Meaning: plan

Meaning in English: plan

Definition: The work of counting and measuring things.

Example Sentences - (計) kei

See below some example sentences:

私は計画を見直す必要があると思います。

Watashi wa keikaku wo minaosu hitsuyou ga aru to omoimasu

I think I need to review my plan.

I think I need to review the plan.

• 私 (watashi) - Japanese personal pronoun that means "I"
• は (wa) - topic particle that indicates the subject of the sentence
• 計画 (keikaku) - Japanese noun meaning "plan"
• を (wo) - object particle indicating the direct object of the action
• 見直す (minaosu) - Japanese verb meaning "to review" or "reconsider"
• 必要 (hitsuyou) - Japanese adjective meaning "necessary"
• が (ga) - subject particle that indicates who performs the action
• ある (aru) - Japanese verb that means "to exist"
• と (to) - quotation particle that indicates what was thought or said
• 思います (omoimasu) - Japanese verb that means "to think" or "to believe"

私は彼女を計画に含めた。

Watashi wa kanojo o keikaku ni fukumeru

I included her in the plan.

I included her in the plan.

• 私 (watashi) - personal pronoun that means "I"
• は (wa) - topic particle indicating that the subject of the sentence is "I"
• 彼女 (kanojo) - personal pronoun meaning "she"
• を (wo) - direct object particle indicating that "she" is the direct object of the action
• 計画 (keikaku) - noun that means "plan"
• に (ni) - particle that indicates action directed toward a target or objective, in this case, "include in the plan"
• 含めた (hazumeta) - included

私は体重を計ります。

Watashi wa taijuu wo hakarimasu

I weight.

I measured weight.

• 私 (watashi) - personal pronoun that means "I"
• は (wa) - particle that indicates the topic of the sentence, in this case "I"
• 体重 (taijuu) - noun meaning "body weight"
• を (wo) - particle indicating the direct object of the sentence, in this case "body weight"
• 計ります (hakarimasu) - verb meaning "to measure"

私は時計を回す。

Watashi wa tokei wo mawasu

I turn the clock.

I turn the clock.

• 私 - signifies "I" in Japanese
• は - Japanese topic particle
• 時計 - means "clock" in Japanese
• を - Direct Object Particle in Japanese
• 回す - means "to turn" in Japanese

私たちは明日の計画を決める必要があります。

Watashitachi wa ashita no keikaku o kimeru hitsuyō ga arimasu

We need to decide the plan for tomorrow.

We need to decide on tomorrow's plan.

• 私たち - 私たち
• 明日 - "明日"
• の - Possession particle in Japanese
• 計画 - "プラン" em japonês.
• を - Direct Object Particle in Japanese
• 決める - "decidir" em japonês é 決定する (kettei suru).
• 必要 - "Necessário" in Japanese
• が - Subject particle in Japanese.
• あります - "存在する" (sonzai suru)

私たちは計画を立てる必要があります。

Watashitachi wa keikaku o tateru hitsuyō ga arimasu

We need to make a plan.

We need to plan.

• 私たち - 「私たち」
• は - Japanese topic particle
• 計画 - 「プラン」
• を - Direct Object Particle in Japanese
• 立てる - "To do" or "to create" in Japanese
• 必要 - "Necessário" in Japanese
• が - Subject particle in Japanese.
• あります - "To exist" or "to have" in Japanese

私の目覚まし時計は毎日少しずつずれる。

Watashi no mezamashi tokei wa mainichi sukoshi zutsu zureru

My alarm clock is a little late every day.

My alarm clock changes gradually every day.

• 私の - "Meu" in Japanese
• 目覚まし時計 - "despertador" in Japanese.
• は - Japanese topic particle
• 毎日 - "todos os dias" in Japanese
• 少しずつ - "pouco a pouco" in Japanese
• ずれる - "deslocar-se" in Japanese

計算が完了しました。

Keisan ga kanryou shimashita

The calculation has been completed.

• 計算 - means "calculation" in Japanese
• が - particle that indicates the subject of the sentence
• 完了 - means "completed" or "finished" in Japanese
• しました - past form of the verb "suru", meaning "to do" or "to accomplish"

計器を使って測定してください。

Keiki wo tsukatte sokutei shite kudasai

Use the meter to take the measurement.

Measure using an instrument.

• 計器 (keiki) - measuring instrument
• を (wo) - direct object particle
• 使って (tsukatte) - using
• 測定 (sokutei) - measurement
• して (shite) - doing
• ください (kudasai) - Please