Circumference of a 80 Centimeter Diameter Circle

What is the circumference of a circle with a diameter of 80 cm? How far around is a circle that is 80 centimeters across?

Diameter

meters

Units

Circumference of a 80cm diameter circle

results may be rounded

The circumference of a circle is pi times its diameter.

Circumference = π * Diameter

The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.

Circle Circumference by Diameter

results may be rounded

Diameter	cm	in	ft
80.0 cm	251.3	98.95	8.246
80.1 cm	251.6	99.07	8.256
80.2 cm	252.0	99.20	8.266
80.3 cm	252.3	99.32	8.277
80.4 cm	252.6	99.44	8.287
80.5 cm	252.9	99.57	8.297
80.6 cm	253.2	99.69	8.307
80.7 cm	253.5	99.81	8.318
80.8 cm	253.8	99.94	8.328
80.9 cm	254.2	100.1	8.338
81.0 cm	254.5	100.2	8.349
81.1 cm	254.8	100.3	8.359
81.2 cm	255.1	100.4	8.369
81.3 cm	255.4	100.6	8.380
81.4 cm	255.7	100.7	8.390
81.5 cm	256.0	100.8	8.400
81.6 cm	256.4	100.9	8.411
81.7 cm	256.7	101.1	8.421
81.8 cm	257.0	101.2	8.431
81.9 cm	257.3	101.3	8.441
82.0 cm	257.6	101.4	8.452
82.1 cm	257.9	101.5	8.462
82.2 cm	258.2	101.7	8.472
82.3 cm	258.6	101.8	8.483
82.4 cm	258.9	101.9	8.493

Diameter	cm	in	ft
82.5 cm	259.2	102.0	8.503
82.6 cm	259.5	102.2	8.514
82.7 cm	259.8	102.3	8.524
82.8 cm	260.1	102.4	8.534
82.9 cm	260.4	102.5	8.545
83.0 cm	260.8	102.7	8.555
83.1 cm	261.1	102.8	8.565
83.2 cm	261.4	102.9	8.575
83.3 cm	261.7	103.0	8.586
83.4 cm	262.0	103.2	8.596
83.5 cm	262.3	103.3	8.606
83.6 cm	262.6	103.4	8.617
83.7 cm	263.0	103.5	8.627
83.8 cm	263.3	103.6	8.637
83.9 cm	263.6	103.8	8.648
84.0 cm	263.9	103.9	8.658
84.1 cm	264.2	104.0	8.668
84.2 cm	264.5	104.1	8.679
84.3 cm	264.8	104.3	8.689
84.4 cm	265.2	104.4	8.699
84.5 cm	265.5	104.5	8.709
84.6 cm	265.8	104.6	8.720
84.7 cm	266.1	104.8	8.730
84.8 cm	266.4	104.9	8.740
84.9 cm	266.7	105.0	8.751