計る (hakaru) conjugation
to measure, to weigh, to survey
計る (はかる, hakaru) is a godan verb. Godan verbs change their final kana up and down its column of the kana chart — the a-row for negatives, the i-row before ます, the e-row for potential and ば. Every form below is tappable — hear it, then say it back.
Conjugation table
| Form | Plain (casual) | Polite (~ます) | When you use it |
|---|---|---|---|
| Dictionary / plain | 計る hakaru | 計ります hakarimasu | The form you look up. Also the casual present and future. |
| Plain negative | 計らない hakaranai | 計りません hakarimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 計った hakatta | 計りました hakarimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 計らなかった hakaranakatta | 計りませんでした hakarimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 計って hakatte | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 計っている hakatteiru | 計っています hakatteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 計りたい hakaritai | 計りたいです hakaritaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 計ろう hakarou | 計りましょう hakarimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 計れる hakareru | 計れます hakaremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 計られる hakarareru | 計られます hakararemasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 計らせる hakaraseru | 計らせます hakarasemasu | Make or let someone do it. |
| Causative-passive | 計らされる hakarasareru | 計らされます hakarasaremasu | Be made to do it — the long one. |
| Imperative | 計れ hakare | 計ってください hakattekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 計るな hakaruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 計れば hakareba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 計ったら hakattara | — | “if / when ~”. The everyday conditional. |
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Why it conjugates this way
Godan verbs change their final kana up and down its column of the kana chart — the a-row for negatives, the i-row before ます, the e-row for potential and ば.
See the full rules on the verb conjugation guide.