Online centroid division calculator. Enter a median's length to split it as vertex-to-centroid : centroid-to-midpoint = 2:1—ideal for triangle geometry.
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The centroid divides a median in ratio 2:1
Length of one median
📖 Tutorial | Median and Centroid
1. Definition
A median joins a vertex to the opposite midpoint; the three meet at the centroid.
2. Formula & Notation
m
A median length
2m/3
Centroid to vertex
m/3
Centroid to midpoint
3. Properties & Laws
Ratio 2:1;
A median halves the area;
Centroid is inside;
It is the medians’ intersection.
4. Steps
Enter median m;
Click "Calculate";
Or click "Load Example".
5. Worked Examples
Example: median 12. Solution: to vertex 8, to midpoint 4.
6. Common Pitfalls
2:1 is vertex-to-centroid : centroid-to-midpoint; Not a midsegment; Always inside.