cCalmCalc
SA
MATH

Surface Area Calculator

Solve Surface Area with a transparent method.

Choose a 3D solidCalculates total exterior area unless the option explicitly describes a curved cap.
10 options
SURFACE AREA113.09733553 m²

Ball Surface Area: Applies the selected solid’s exterior-area formula; ellipsoid area uses the Knud Thomsen approximation.

Estimate based on the values shown
Formula checkedApplies the selected solid’s exterior-area formula; ellipsoid area uses the Knud Thomsen approximation.