I would like to know a certain number of episodes before attending each movie. I have seen similar questions, but they do not answer my question.
Movie 1 ("Ninja Clash in the Land of Snow"): after Naruto learns Rasengan.
Movie 2 ("Legend of the Stone of Gelel"): after Tsunade becomes Hokage.
Movie 3 ("Guardians of the Crescent Moon Kingdom"): after Sasuke escaped Konaha.
Naruto Shippuden Movies
Movie 1 ("Naruto Shippuden the Movie"): after Naruto returns to Konaha.
Movie 2 ("Bonds") & 3 ("The Will of Fire"): after Naruto meets Sasuke at Orochimaru's hideout.
Movie 4 ("The Lost Tower"): after Naruto learns Rasenshuriken.
Movie 5 ("Blood Prison"): after Naruto learns Sage mode and defeats Pain.
Movie 6 ("Road to Ninja"): before the Fourth Shinobi World War.
Movie 7 ("The Last"): after the Fourth Shinobi World War.
Boruto ("Boruto"): after Naruto becomes Hokage.
Feel free to edit if I made a mistake!