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Star rating

Star rating (SR) describes a beatmap's difficulty, which is automatically calculated by the osu! client. Star rating plays a large role in how performance points are awarded. This number can be seen on the song selection screen and on a beatmap's info page.


Main page: Difficulty

Star rating ranges

On the website, beatmaps are automatically given a difficulty icon based on these star rating ranges:

  • Easy: 0.0★–1.99★
  • Normal: 2.0★–2.69★
  • Hard: 2.7★–3.99★
  • Insane: 4.0★–5.29★
  • Expert: 5.3★–6.49★
  • Expert+: 6.5★ and above

Most maps' intended difficulty levels match the icons they are given, but some deviate significantly. This is why the ranking criteria define more precise rules for determining difficulty and evaluating difficulty spreads.