How Heavy Are the Dumbbells You Lift? (ダンベル何キロ持てる？, Danberu Nan-Kiro Moteru?, lit. "How Many Kilograms of Dumbbell Can You Lift?") is a Japanese manga series written by Yabako Sandrovich and illustrated by MAAM. It has been serialized via Shogakukan's Ura Sunday website and MangaONE app since 2016 and has been collected in eight tankōbon volumes. The manga is licensed in North America by Seven Seas Entertainment. An anime adaptation by Doga Kobo aired from July 3, 2019 to September 18, 2019. Hibiki Sakura is a second year high school girl who has a voracious appetite; this habit leads to her gaining weight. Once this is brought to her attention, she relunctantly thinks about joining the Silverman Gym. At the gym, Hibiki finds out that Akemi Soryuin, a schoolmate of hers, is also thinking about joining. Upon meeting Naruzo Machio, one of the trainers, she falls heads over heels in love with him and joins the gym. Motivated, Hibiki vows to lose weight.