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Öchsle scale

A German hydrometer scale used in the making of wine. It is simply the density of the must in kilograms per cubic meter, minus 1000. Thus a density of 1072 kg/m³ translates to 72 on the Öchsle scale, which is the average minimum reading required if a Kabinett wine is to be made. Other average minimums are:

86 for Spätlese
95 for Auslese
123 for Beerenauslese
150 for Trockenbeerenauslese

Symbol, Oe°.