The Sagulator – WoodBin
The Sagulator helps you design shelves by calculating shelf sag (deflection) given type of shelf material, shelf load, load distribution, dimensions, and method of attachment. You can also specify an edging strip to further stiffen the shelf.
Span Limits for Plywood Shelving
My limit for 3/4" plywood shelves is 32", and I think that is pushing it for heavier objects. The other option is to have a stile in the middle of the span and put shelf supports on the stile and the backs of the cabinet, effectively cutting the shelf in two.
Need to calculate load ratings for DIY wooden storage shelving
Jan 14, 2015 · To calculate the max load, you need to check the capacity of each piece and identify which one will fail first, in other words whatever has the lowest capacity is your max capacity.
Span Options Calculator for Wood Joists and Rafters
Performs calculations for ALL species and grades of commercially available softwood and hardwood lumber as found in the NDS 2018 Supplement. Joists and rafter spans for common loading conditions can be determined.
Shelf Load Capacity Calculator
Feb 8, 2024 · Shelf load capacity is the maximum weight that a shelf can support without failing. It is determined by the material properties, such as strength and elasticity, as well as the dimensions of the shelf, including its length, width, and thickness.
Properly Space Your Shelves and Wall Supports - The Spruce
Oct 24, 2022 · This guide will show you how to determine standard shelf support spans, shelf heights, and which shelving material to choose from for wall shelves.
Shelf span limits for built in shelves? - DIY Home Improvement Forum
May 5, 2022 · You'll want at least 1/2" plywood or OSB shelves, or 5/8" or 3/4" if using MDF or particle board. For general storage (paint cans, hardware, canned food, etc.) you should bump up to a 2x3 or 1x4 (vertical) for the 4' spans and 2x4 (vertical) for the 7' span. I'd go with at least 5/8" OSB or plywood for the shelves for that type of loading.
Load Calculator - FineWoodworking
Oct 19, 2007 · Basically, you need to calculate the moment of inertia for the shelf's cross-section, determine how it's loaded (even load over the length, or concentrated in the middle), and whether it's fixed on the ends or free to move.
Free Span Limits of Cabinet Shelving - WOODWEB
The load per inch of span is determined by the owner of the shelf; often the shelf is designed to carry a full load of books, which would typically be the heaviest load expected. The span is the distance between the supports.
AWI Shelf Span Calculator - Architectural Woodwork Institute
This calculator may determine the load, deflection, MOE, thickness, or span of an adjustable shelf by selecting the desired output variable, filling in the input variables, and selecting “calculate."