To shorten component arrangement space in a direction along a center line of an operation member as much as possible.

An impact tool includes a casing 13 supporting a tip tool 12, a piston 41 reciprocably provided in the casing 13, an electric motor 11 provided in the casing 13 and having an output shaft 21, a motion converting mechanism 45 provided in the casing 13, a bearing 24 provided in the casing 13 and supporting the output shaft 21, and a vibration reducing mechanism 47 provided in the casing 13. The bearing 24 and the vibration reducing mechanism 47 are arranged so as to at least partially overlap with each other in a direction along a center line C.