STEP 0: Pre-Calculation Summary
Formula Used
Inradius of Ellipse = Minor Axis of Ellipse/2
ri = 2b/2
This formula uses 2 Variables
Variables Used
Inradius of Ellipse - (Measured in Meter) - Inradius of Ellipse is the radius of the circle which contained by the ellipse with both the ends of the minor axis of the Ellipse lying on the circle.
Minor Axis of Ellipse - (Measured in Meter) - Minor Axis of Ellipse is the length of the longest chord which is perpendicular to the line joining the foci of the Ellipse.
STEP 1: Convert Input(s) to Base Unit
Minor Axis of Ellipse: 12 Meter --> 12 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ri = 2b/2 --> 12/2
Evaluating ... ...
ri = 6
STEP 3: Convert Result to Output's Unit
6 Meter --> No Conversion Required
6 Meter <-- Inradius of Ellipse
(Calculation completed in 00.004 seconds)
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## Credits

Created by Sakshi Priya
Indian Institute of Technology (IIT), Roorkee
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## <Ellipse Calculators

Flattening of Ellipse
​ Go Flattening of Ellipse = (Major Axis of Ellipse-Minor Axis of Ellipse)/Minor Axis of Ellipse
Focal Parameter of Ellipse
​ Go Focal Parameter of Ellipse = (Semi Minor Axis of Ellipse^2)/Linear Eccentricity of Ellipse
​ Go Circumradius of Ellipse = Major Axis of Ellipse/2
​ Go Inradius of Ellipse = Minor Axis of Ellipse/2

​ Go Circumradius of Ellipse = Major Axis of Ellipse/2
​ Go Inradius of Ellipse = Minor Axis of Ellipse/2

Inradius of Ellipse = Minor Axis of Ellipse/2
ri = 2b/2

## What is an Ellipse?

An Ellipse is basically a conic section. If we cut a right circular cone using a plane at an angle greater than the semi angle of cone. Geometrically an Ellipse is the collection of all points in a plane such that the sum of the distances to them from two fixed points is a constant. Those fixed points are the foci of the Ellipse. The largest chord of the Ellipse is the major axis and the chord which passing through the center and perpendicular to the major axis is the minor axis of the ellipse. Circle is a special case of Ellipse in which both foci coincide at the center and so both major and minor axes become equal in length which is called the diameter of the circle.

## How to Calculate Inradius of Ellipse?

Inradius of Ellipse calculator uses Inradius of Ellipse = Minor Axis of Ellipse/2 to calculate the Inradius of Ellipse, Inradius of Ellipse formula is defined as the radius of the circle contained by the Ellipse with both the ends of the minor axis of the Ellipse lying on the circle. Inradius of Ellipse is denoted by ri symbol.

How to calculate Inradius of Ellipse using this online calculator? To use this online calculator for Inradius of Ellipse, enter Minor Axis of Ellipse (2b) and hit the calculate button. Here is how the Inradius of Ellipse calculation can be explained with given input values -> 6 = 12/2.