Shō ( Japanese 升 ) is a unit of volume in the old Japanese system of measurement Shakkanhō , which is still used today for rice and sake .
1 Shō = 2401 ⁄ 1331 liters ≈ 1.8039 liters
1 Koku = 10 To = 100 Shō = 1000 Gō
Sake is traditionally bottled in 1-Shō bottles.