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Conversion Tool

Roll Diameter Calculator
Input the variable information below. Click calculate for results.
Find the size of a roll by using this convenient roll diameter calculator.
Select desired UOM US/Imperial   or Metric
#1 Core Diameter (OD)
in inches
in millimeters
#2 Material Thickness
in mil
in microns
#3 Roll Length
in feet
in meters
in inches
in millimeters

Disclaimer: The conversion tool is provided “as is” without any warranties of any kind, express or implied.

Ricoh Electronics, Inc. does not accept any responsibility or liability for the accuracy of this tool.