The Fertiliser Screening Tool calculates average prill size and evaluates product uniformity from your shaker box percentages, promoting consistent application and reducing waste.

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Fertiliser Screening Tool

After shaking your fertiliser screening box, enter the percentage (%) level shown in each column below. The tool will calculate the estimated average prill size and provide feedback on the product's uniformity.

Visual Sieve

B IDEAL

C IDEAL

Enter Column Percentages

Column A (< 2.00 mm)

Column B (2.00 – 3.30 mm)

Column C (3.30 – 4.75 mm)

Column D (> 4.75 mm)

Total: 0%

"Your Measurements Are Only as Good as Your Tools"

Our Fert Screen Box is engineered for accuracy and durability, giving farmers and distributors the confidence to stand behind their product quality.

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Column	Size Range	Midpoint Used
A	< 2.00 mm	1.50 mm
B	2.00 – 3.30 mm	2.65 mm
C	3.30 – 4.75 mm	4.025 mm
D	> 4.75 mm	5.25 mm