Regular Dodecagon Calculator
Result
Area279.9038
Perimeter60.0000
↗ Math
Regular Dodecagon Calculator Calculate area of a regular 12-sided polygon. — free online calculator.
Formula
Area = 3(2+√3)s²; Perimeter = 12s
- Regular Dodecagon Calculator calculates its result from S. It uses the formula Area = 3(2+√3)s²; Perimeter = 12s. Change any input to recalculate the result instantly.
- The main inputs are Side Length. 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: Regular Dodecagon
Inputs
- Side Length: 5
Using S = 2, the calculated result is 24.
Sample result: Calculating…
Frequently asked questions
What does the Regular Dodecagon calculate?
Regular Dodecagon Calculator Calculate area of a regular 12-sided polygon. — free online calculator.
Which values should I enter?
Enter Side Length using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: Area = 3(2+√3)s²; Perimeter = 12s.
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.