Live tool/tool/shelf-sag-estimator
Shelf Sag Estimator
Estimate shelf deflection from span, depth, thickness, material stiffness, and uniform load.
WorkshopEngineeringReference
Estimated sag
0.054 in
Span / sag ratio
628 : 1
Load density
1.32 lb / in
Shelf size
34 x 11 in
Model
This treats the shelf as a simply supported beam with a uniform load. Real joinery and edging can change performance materially.