Math and geometry
Engineering Formula Sheets
Quick formula references for geometry, cross-sections, moments of area, volumes, surfaces, and trigonometry.
Resources
5 references
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Cross-Section Formula Sheet
Cross-sectional area formulas for common shapes.
Second Moment of Area Formula Sheet
Second moment of area formulas for common sections.
Surface Area Formula Sheet
Surface area formulas for common 3D shapes.
Trigonometric Identities Formula Sheet
Common trigonometric identities for engineering math.
Volume Formula Sheet
Volume formulas for common solids.
About this category
Using Formula Sheets
Quick formula references for geometry, cross-sections, moments of area, volumes, surfaces, and trigonometry. These references are intended for quick checks, education, drafting, design review, and early engineering work. Always verify final values against applicable standards, supplier data, and project requirements.