How it works
Find pyramid volume from base area and perpendicular height. The same relation applies to any planar polygonal base.
V = A_base × h/3
Worked example
Show example inputs and result
Base area: 25 · Perpendicular height: 9.
- Volume
- 75
Questions and answers
Why are some results rounded?
Results display up to 8 decimal places. Calculations use the unrounded values; very small values use scientific notation. JavaScript floating-point arithmetic can introduce tiny rounding differences.
Are my inputs sent to a server?
The calculator processes inputs in your browser. Its code does not send your values to a server.
Method reviewed: October 8, 2026 · Methods & accuracy