Ellipse Calculator
Calculate ellipse area, perimeter and eccentricity
Calculated properties
Area
125.663706144
Circumference (approx.)
41.3862760718
Focal distance
6.2449979984
Assumption / method: Ellipse circumference uses Ramanujanβs second approximation.
Calculations require finite real numbers and division by zero is undefined. Decimal arithmetic follows browser IEEE-754 floating-point rounding.