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Both calculators run independently — change the inputs on either side to compare results.

Cylinder Surface Area and Volume Calculator

Compute the volume, lateral area, or total surface area of solid, hollow, or open-top cylinders. Perfect for engineering, tank design, and packaging calculations.

Base Radius (units)

Height (units)

Wall Thickness (if hollow) (units)

Cylinder Type

Calculate

Fill in the required fields to see your result.

Geometry

Ellipse Area and Circumference Calculator

Calculate the area, circumference (perimeter), eccentricity, and focal distance of an ellipse using its semi-major and semi-minor axes. Essential for astronomy, engineering, and analytic geometry.

Semi-Major Axis (a) (units)

Semi-Minor Axis (b) (units)

Calculate

Circumference Method

Fill in the required fields to see your result.

Key differences

	Cylinder Surface Area and Volume Calculator	Ellipse Area and Circumference Calculator
Category	Geometry	Geometry
Inputs required	5	4
Result	Cylinder Property (units)	Result (units²/units)
What it does	Compute the volume, lateral area, or total surface area of solid, hollow, or open-top cylinders. Perfect for engineering, tank design, and packaging calculations.	Calculate the area, circumference (perimeter), eccentricity, and focal distance of an ellipse using its semi-major and semi-minor axes. Essential for astronomy, engineering, and analytic geometry.