
Triangle Centroid Calculator
Find the centroid coordinates of three triangle vertices.
Open toolFind the center of a circumcircle through three noncollinear vertices. Provide First vertex x, First vertex y, Second vertex x to compute results directly in your browser. 2D Cartesian coordinates. Noncollinear vertices required; this reports a center coordinate, not only a circumradius. Inputs and results use floating-point numbers; output shows up to 12 significant digits. Rounding can occur.
Enter the inputs, then select Calculate.
Result will appear here
The Triangle Circumcenter Calculator evaluates First vertex x, First vertex y, Second vertex x in client-side JavaScript using the deterministic rule below and updates the output panel immediately without uploading data to a server.
Find the center of a circumcircle through three noncollinear vertices.
2D Cartesian coordinates. Noncollinear vertices required; this reports a center coordinate, not only a circumradius. Inputs and results use floating-point numbers; output shows up to 12 significant digits. Rounding can occur.
Review the input parameters, allowed value ranges, and worked reference cases for the Triangle Circumcenter Calculator below before running your calculation.
| Parameter / Scenario | Default / Sample Value | Rule or Allowed Range | Output / Usage Note |
|---|---|---|---|
| Input: First vertex x | 0 | Range: -1000000000.0 to 1000000000.0 | Required workspace parameter |
| Input: First vertex y | 0 | Range: -1000000000.0 to 1000000000.0 | Required workspace parameter |
| Input: Second vertex x | 4 | Range: -1000000000.0 to 1000000000.0 | Required workspace parameter |
| Input: Second vertex y | 0 | Range: -1000000000.0 to 1000000000.0 | Required workspace parameter |
| Worked Case 1: Baseline run (First vertex x = 0) | Preloaded / test values | Find the center of a circumcircle through three noncollinear vertices | First vertex x: 0; First vertex y: 0; Second vertex x: 4; Second vertex y: 0; Third vertex x: 0; Third vertex y: 4. The displayed output is x: 2 y: 2. |
| Worked Case 2: Comparison scenario (circle through 3 points calculator) | Preloaded / test values | Find the center of a circumcircle through three noncollinear vertices | First vertex x: 0; First vertex y: 0; Second vertex x: 6; Second vertex y: 0; Third vertex x: 0; Third vertex y: 8. The displayed output is x: 3 y: 4. |
Follow these three steps to configure First vertex x, First vertex y, Second vertex x, verify unit and boundary rules, and export your Triangle Circumcenter Calculator output.
Set first vertex y, second vertex x, second vertex y, third vertex x, third vertex y. Three noncollinear 2D vertices are required.
Select Calculate to see the circumcenter coordinates. Copy result copies this text; Download saves it as a TXT file.
These concrete scenarios illustrate how the Triangle Circumcenter Calculator processes baseline inputs, comparison checks, and boundary constraints.
First vertex x: 0; First vertex y: 0; Second vertex x: 4; Second vertex y: 0; Third vertex x: 0; Third vertex y: 4. The displayed output is x: 2 y: 2.

First vertex x: 0; First vertex y: 0; Second vertex x: 6; Second vertex y: 0; Third vertex x: 0; Third vertex y: 8. The displayed output is x: 3 y: 4.

When solving for 'triangle circumcenter calculator', verify that First vertex x, First vertex y, Second vertex x use consistent units and stay within the documented scope: 2D Cartesian coordinates. Noncollinear vertices required; this reports a center coordinate, not only a circumradius. Inputs and results use floating-point numbers; output shows up to 12 significant digits. Rounding can occur.

The output panel reports the exact result derived from First vertex x, First vertex y, Second vertex x alongside any unit or formatting notes.
The result is the circumcenter coordinates. Locate the center of the circle through three triangle vertices.
Numerical output shows up to 12 significant digits. Floating-point arithmetic and display rounding can affect the last digits.

Review these boundary constraints and validation rules before relying on the Triangle Circumcenter Calculator output.
Operational scope: 2D Cartesian coordinates. Noncollinear vertices required; this reports a center coordinate, not only a circumradius. Inputs and results use floating-point numbers; output shows up to 12 significant digits. Rounding can occur. Inputs that violate minimum/maximum bounds or required format rules are rejected with a clear diagnostic prompt.
Need an adjacent calculation in Everyday Math? Use the related tools linked below to chain your workflow without leaving your browser.


Find the centroid coordinates of three triangle vertices.
Open tool
Find triangle semiperimeter and area from all three side lengths.
Open toolFind arrow front-of-center percentage and show the balance point relative to the midpoint.
Open toolChoose another tool for your next calculation, conversion, or text task.

Find triangle circumradius R = abc / (4 × area).
Open tool
Calculate all three triangle excircle radii.
Open tool
Find click-through rate as clicks divided by impressions times 100.
Open tool
Find the diagonal of an axial rectangle through a right cylinder.
Open toolAnswers about using Triangle Circumcenter Calculator and understanding its results.
The Triangle Circumcenter Calculator applies the rule: Find the center of a circumcircle through three noncollinear vertices. Enter First vertex x, First vertex y, Second vertex x into the workspace and the tool computes the exact output in your browser.
Yes. Provide First vertex x, First vertex y, Second vertex x using the documented units and format shown in the quick reference table above. Preloaded default values let you test the workflow immediately.
2D Cartesian coordinates. Noncollinear vertices required; this reports a center coordinate, not only a circumradius. Inputs and results use floating-point numbers; output shows up to 12 significant digits. Rounding can occur. Confirm that your inputs fall within the allowed ranges before exporting the result.
Yes. All calculations for the Triangle Circumcenter Calculator execute 100% locally in your browser's JavaScript runtime. No inputs or results are uploaded to any external server.
Choose another tool for your next calculation, conversion, or text task.