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Sieve / Mesh Size Converter

Enter the measurement or designation you have. Calcori maps it to the nearest supported standard reference while keeping material and standard families separate.

Materials & technical conversions ↗
Language · English (Singapore)
SieveNo. 40
Opening0.425 mm
Microns425 µm

Bounded ASTM E11 / US sieve reference. Reference identification only. Verify the current standard or manufacturer data before purchasing or using the result in a critical application.