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Shelf Sag Calculator

Calculate maximum shelf span to prevent sagging.

How thick the material or layer is.
in
Measurement of how deep something extends.
in
Type of substance or matter being used.
The load or force applied to the system.
lbs/ft

Results

Maximum Span:
Maximum allowed or calculated value.
-in
Sag at 36" Span:
Calculated sag at 36" span based on your inputs.
-in
Recommendation:
Calculated recommendation based on your inputs.
-
Reference: Industry Standards. Allowable sag: L/360 or 0.03".