Calculate maximum shelf length, load capacity, and deflection for wood shelves, plywood, and MDF. Includes material specifications, sag calculator, and strength analysis for. Compute allowable shelf loads from strength and deflection criteria for common materials. Switch between design and check modes, then download tidy reports as needed. Choose units first; conversions run automatically. You can also specify an edging strip to further stiffen the shelf. Books and heavy items: 16" max spacing. Why Shelf Span Matters A shelf's load capacity is primarily determined by the span — the unsupported distance between brackets or wall supports. Hey there! 🛠️ Before you go setting up those heavy-duty shelves, let's break down the.
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