Geometry & Trigonometry
Advanced

Frustum Volume

Volume of a truncated cone.

Formula

V=13πh(R2+Rr+r2)V = \frac{1}{3}\pi h(R^2 + Rr + r^2)

Variables

RBottom radius
rTop radius
hHeight

Example

A bucket shape

Did You Know?

A frustum is a cone with its tip sliced off — the shape of buckets, lampshades, and the Great Pyramid's theoretical top.