Drying Floor Area (\( Af \)):

\[ Af = \frac{Vg}{Dg} \]

Where:

• \( Af \) is the floor area of the bin, in square meters (m²).
• \( Vg \) is the volume of grain in the bin, in cubic meters (m³).
• \( Dg \) is the depth of grain in the bin, in meters (m).