Last updated: July 2026
Welcome to DraftToolbox. By accessing or using our suite of 17 math and layout calculators, you agree to comply with and be bound by the following terms and conditions.
All calculation tools on this website are provided entirely free of charge for personal, educational, commercial estimation, and workshop layout usage. You agree not to use this site for any unlawful tracking activity.
DraftToolbox provides mathematical approximations rounded to common trade tolerances. We do not provide certified architectural drawings or certified structural engineering load physics calculations. All outputs should be cross-checked manually against a physical scale or certified blueprints. The website owner accepts no responsibility or liability for material waste, financial loss, or construction errors resulting from the use of this software.
The materials appearing on DraftToolbox could include technical, typographical, or photographic errors. We do not warrant that any of the materials on its website are accurate, complete, or current.