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目の子勘定 (めのこかんじょう) Japanese meaning | Kotomora
を
ざっ
と
見み
積つ
もっ
た
。
He roughly estimated the amount of materials needed by mental arithmetic.
Kanji 子 child, sign of the rat, 11PM-1AM 勘 intuition, perception, check 定 determine, fix, establish Similar words 目め の 子こ 算ざん Synonymous variant; 目の子算 uses 算 (calculation) instead of 勘定 (counting/accounting), but the meaning is essentially the same.
概がい 算さん A more formal term for 'rough estimate' or 'approximate calculation', often used in business or technical contexts.
暗あん 算ざん Mental arithmetic done without any external aids, focusing on calculation rather than estimation.
Etymology The phrase combines 目の子 (literally 'child of the eye', referring to something seen at a glance) and 勘定 (counting, calculation). The exact origin is uncertain, but it likely derives from the idea of estimating by eye rather than precise measurement.
