By Zencalcy Editorial TeamLast reviewed About us
Labels, wraps, and funnels need the curved side only — no top/bottom caps. Pick cylinder (2πrh) or cone (πrl, with slant height computed for you).
Cylinder: 2πrh · Cone: πrl, l = √(r² + h²) — enter dimensions, get the result with steps.
Cylinder: 2πrh · Cone: πrl, l = √(r² + h²)
| Symbol | Meaning |
|---|---|
| r | Radius |
| h | Height |
Cylinder r=3,h=5 → 2π×3×5 ≈ 94.2478. Cone r=3,h=4 → l=5, area = π×3×5 ≈ 47.1239.
Continue with the Percentage Calculator, all math calculators, or browse the full calculator directory.
Lateral excludes caps; add πr² per cap for totals.
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Content updated: September 2026