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Cyclomatic Complexity Calculator

Result

Calculated result 7 Based on the values entered.
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Cyclomatic Complexity Calculator — free online calculator.

Formula

Cyclomatic complexity M = E − N + 2P.
  • Cyclomatic Complexity Calculator calculates its result from Edges E, Nodes N, Connected components P. It uses the formula Cyclomatic complexity M = E − N + 2P.. Change any input to recalculate the result instantly.
  • The main inputs are Edges E, Nodes N, Connected components P. Enter them in the units and format shown in the calculator.
  • Keep comparable quantities in compatible units whenever the formula combines or compares them.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Cyclomatic Complexity

Inputs
  • Edges E: 20
  • Nodes N: 15
  • Connected components P: 1

Using Edges E = 20, Nodes N = 15, Connected components P = 1, the calculated result is 7.

Sample result: Calculating…

Frequently asked questions

What does the Cyclomatic Complexity calculate?

Cyclomatic Complexity Calculator — free online calculator.

Which values should I enter?

Enter Edges E, Nodes N, Connected components P using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Cyclomatic complexity M = E − N + 2P..

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026