How do you calculate Plato from total gravity points?

To convert total gravity points (Brix or specific gravity) into Plato degrees, the correct method is to divide the total gravity points by 4. This is based on the relationship between the two scales, where Plato is approximately one-fourth of the total gravity points.

When a brewer measures the specific gravity of a wort, they often express it in terms of total gravity points, which represent the density of the liquid compared to water. The Plato scale is a more precise representation that specifically quantifies the concentration of sucrose in a solution.

For example, if a wort has a specific gravity of 1.050, which translates to 50 total gravity points, applying the conversion by dividing by 4 would give you 12.5 Plato degrees. This scaling is useful for brewing operations, quality control, and ensuring appropriate fermentation practices.

Other methods listed do not accurately reflect the conversions required to achieve the Plato measurement, which is critical for brewers aiming to standardize their processes. By understanding this relationship, brewers can ensure they are on target with their brewing recipes and processes.