Areas and Dimensions of a Regular Octagon

Enter r, R or s
r
R
s


Area =  

Formulas:

A = Area
r = radius of inscribed circle
R = radius of circumscribed circle
s = length of each outer edge
A = 4.828 * s2
A = 2.828 * R2
A = 3.314 * r2
R = 1.307 * s
R = 1.082 * r
r = 1.207 * s
r = 0.924 * R
s = 0.765 * R
s = 0.828 * r

Purchase Order Terms and Conditions
© Cambelt International Corporation - Privacy Policy