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Ellipse Area Calculator
Ellipse Area Calculator
High-precision geometry calculations
Category
Plane
Solid
Shape
Square
Rectangle
Circle
Ellipse
Triangle
Parallelogram
Trapezoid
Regular Polygon
Sector
Segment
a
b
Precision
6 digits
Semi-axis a
Semi-axis b
Area
Copy
3.141593
Formula:
π
a
b
\pi ab
π
ab
Perimeter / Circumference
Copy
6.283185
Formula:
≈
π
[
3
(
a
+
b
)
−
(
3
a
+
b
)
(
a
+
3
b
)
]
\approx \pi \left[ 3(a+b) - \sqrt{(3a+b)(a+3b)} \right]
≈
π
[
3
(
a
+
b
)
−
(
3
a
+
b
)
(
a
+
3
b
)
]
Reset Parameters