計けい約やくMeanings1expression, prefixapproximate total (of); roughly totalingUsed as a prefix-like expression before a number to indicate an approximate total, often in financial or statistical contexts. Combines 計 (total) and 約 (approximately).See also: 計 (けい) · 約 (やく)計けい約やく100ひゃく万まん円えんの費ひ用ようがかかった。The total cost was approximately 1 million yen.参さん加か者しゃは計けい約