Bookshelf Load Calculator
Estimate safe shelf loads and minimize sag by choosing the right span and thickness.
Bookshelf Load Calculator
Estimate how much weight your wooden shelf can hold safely before sagging or failure.
How to use
- Enter your inputs in the fields above.
- Review the live result and adjust values as needed.
- Use the tips below to improve accuracy and efficiency.
Pro tips
- • Measure twice—small input errors can snowball.
- • Include kerf, waste, and setup time so you don’t underbid.
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