FAQ

What is the Inside Diameter?
Inside diameter is the diameter of the inside surface. Inside Diameter is usually measured using the Millimeter for Length. Note that the value of Inside Diameter is always positive.
Can the Inside Diameter be negative?
No, the Inside Diameter, measured in Length cannot be negative.
What unit is used to measure Inside Diameter?
Inside Diameter is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Inside Diameter can be measured.
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