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Embed the Octagon Calculator

Three quick steps — customize the look, choose how it behaves, then copy the code onto your site.

Name

Your reference only — not shown to visitors

Heading

Shown to visitors above the calculator, in every display mode. Leave blank for none.

Subheading

Optional supporting text shown just below the heading.

Theme

Accent / section color

Colors the calculator's own section bars and highlights — the whole calculator's look, not just the results panel.

#FF5C00

Background color

#FFFFFF

Results text color

#0A0C0B

Border radius

12px

Branding

Remove "Powered by Calcupedia"

Powered-by color

#FF5C00

Powered-by background

#FFFFFF

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Live preview

Side Length

0.011,000,000

Area

120.7107

Area of the regular octagon.

Perimeter

40.0000

Total perimeter.

Circumcircle Radius

6.5328

Radius of the circle passing through all vertices.

Incircle Radius (Apothem)

6.0355

Radius of the inscribed circle touching all sides.

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