Online Calculators > Math Calculators > Circumference of Oval Calculator

# Circumference of Oval Calculator

Circumference of Oval Calculator calculates the circumference of the ellipse based on its axis.

## Oval Perimeter Calculator

Semi-minor Axis a
Semi-major Axis b
 Oval Circumference

## Circumference of Ellipse Formula

The circumference of ellipse formula is:

π(a + b)(1 + 3h/10 + √4 - 3h).

while

a = semi-major axis of the ellipse

b = semi-minor axis of the ellipse

h = (a - b)2/(a + b)2

For example:

If the semi-major axis of the ellipse is 8,
and the semi-minor axis of the ellipse is 3.

h = (8 - 3)2/(8 + 3)2

h = 0.2066.

The circumference is calculated as:

π (8 + 3)(1 + 3 x 0.2066/10 + √4 - 3 x 0.2066).

≈ 36.37

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