Almost always used in the set phrase はかが行く (to make progress) or its negative はかが行かない (to make little progress). Rarely used alone.
Work is not making much progress.
今日ははかが行った。
I made good progress today.
A common verb meaning 'to make progress'. はか is the noun form, but it is almost always used in the phrase はかが行く, while はかどる is a standalone verb.
It is usually written in kana. The kanji forms 捗, 果, 計, and 量 are rare or ateji-like and not recommended for learners.
Rare kanji spelling; primarily seen in the compound 捗る (はかどる).
Rare kanji spelling; primarily seen in the compound 果取る (はかどる).
Rare kanji spelling; primarily seen in the compound 計る (はかる).
Rare kanji spelling; primarily seen in the compound 量る (はかる).
A native noun meaning the amount or progress of work accomplished, preserved in expressions such as はかが行く. The verb はかどる is derived from this noun.