How this calculation works
Recover cylinder radius and capacity from the curved area and height.
THE FORMULA
r=A/(2πh), V=πr²hA worked example
Lateral area 20π and height 5 imply radius 2 and volume 20π.
Good to know
Lateral area excludes both circular ends.
Reference: OpenStax Algebra and Trigonometry, Trigonometric Applications (opens in a new tab) ↗
Read the result
Recover cylinder radius and capacity from the curved area and height.
The primary result is labeled “Radius”. Keep the input definitions in view when comparing this result with another method.
Try a related calculation
Lateral area excludes both circular ends.
For a related exercise, try the circle calculator.
A few questions, answered
How can I check the default inputs by hand?
Lateral area 20π and height 5 imply radius 2 and volume 20π.
Which rule does this calculator apply?
r=A/(2πh), V=πr²h