Geometry Area & Volume Calculator

Quickly solve geometric measurements for engineering, home improvement, and education.

Back to all tools
Shape:
Area78.54
Circumference31.42
Diameter10.00

How it works

Step 01

Select Shape

Choose Circle, Rectangle, Triangle, Sphere, or Cylinder.

Step 02

Input Dimensions

Enter radius, length, width, or height.

Step 03

Read Results

View computed area, perimeter, or volume.

Frequently Asked Questions

Calculations use standard high-precision Math.PI (3.141592653589793).