875/864

Interval information

Ratio	875/864
Monzo	[-5 -3 3 1⟩
Size in cents	21.90205
Name(s)	keema

875/864, the keema, is a 7-limit comma measuring about 21.9 cents. It marks the difference between the septimal minor seventh (7/4) and a stack of three just minor thirds (6/5), or between a septimal major seventh (27/14) and a stack of three just major thirds (5/4). It is also the sum of 245/243 and 225/224, and the difference between 49/48 and 126/125. Tempering it out leads to the keemic family of temperaments.

See also

• Keemic family
• Keemic temperaments
• Small comma