Upon the release of
Sweetener, "Breathin" became a fan favorite and saw a relatively high increase in streams. It entered several charts worldwide due to strong digital sales. In the United States, the song debuted at number 22 on the
Billboard Hot 100 issue dated September 1, 2018, earning Grande her fourteenth top-forty entry and marked the highest debut of nine entries from the album of which debuted on the Hot 100 the same week. The track sold 27,800 digital downloads in its opening week, allowing it to also enter the
Digital Songs chart at number four. The following week, "Breathin" dropped fifteen positions to number 37 on the Hot 100. As radio airplay began to build, the track officially debuted at number 38 on the
Mainstream Top 40. Consequently, Grande became the first female soloist to place three entires in the top forty of the Pop Songs chart that week since
Lady Gaga did so in 2010. The song fluctuated on the Hot 100 for several weeks, and climbed from number 41 to 32 in its tenth week, jumping to number 21 the week after, overcoming its debut position of number 22. It reached a peak of number 12, and spent 25 weeks on the chart. "Breathin" entered the
Billboard Mainstream Top 40 at number 38 for the chart issue dated September 18, 2018, and moved up to number 34 the following week. The song has since climbed up to number two, earning Grande her ninth top-five single there and third from
Sweetener. The song has also reached the top-ten in the Czech Republic, Ireland, Hungary, Lebanon, Portugal and Slovakia, as well as reached the top-twenty in Austria, Canada, Denmark, Finland, New Zealand, Norway, Scotland, Sweden, and Switzerland. On March 17, software company
Calm announced that Grande would be included in the "Sleep Remix Series" for their meditation app, alongside other artists, such as
Shawn Mendes and
Kacey Musgraves. The following Friday, they released an hour-long remix of "Breathin" to Calm subscribers, which they described as "ethereal". ==Live performances==