Circumference of a 10 Centimeter Diameter Circle

What is the circumference of a circle with a diameter of 10 cm? How far around is a circle that is 10 centimeters across?

Diameter

meters

Units

Circumference of a 10cm 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
10.0 cm	31.42	12.37	1.031
10.1 cm	31.73	12.49	1.041
10.2 cm	32.04	12.62	1.051
10.3 cm	32.36	12.74	1.062
10.4 cm	32.67	12.86	1.072
10.5 cm	32.99	12.99	1.082
10.6 cm	33.30	13.11	1.093
10.7 cm	33.62	13.23	1.103
10.8 cm	33.93	13.36	1.113
10.9 cm	34.24	13.48	1.123
11.0 cm	34.56	13.61	1.134
11.1 cm	34.87	13.73	1.144
11.2 cm	35.19	13.85	1.154
11.3 cm	35.50	13.98	1.165
11.4 cm	35.81	14.10	1.175
11.5 cm	36.13	14.22	1.185
11.6 cm	36.44	14.35	1.196
11.7 cm	36.76	14.47	1.206
11.8 cm	37.07	14.59	1.216
11.9 cm	37.38	14.72	1.227
12.0 cm	37.70	14.84	1.237
12.1 cm	38.01	14.97	1.247
12.2 cm	38.33	15.09	1.257
12.3 cm	38.64	15.21	1.268
12.4 cm	38.96	15.34	1.278

Diameter	cm	in	ft
12.5 cm	39.27	15.46	1.288
12.6 cm	39.58	15.58	1.299
12.7 cm	39.90	15.71	1.309
12.8 cm	40.21	15.83	1.319
12.9 cm	40.53	15.96	1.330
13.0 cm	40.84	16.08	1.340
13.1 cm	41.15	16.20	1.350
13.2 cm	41.47	16.33	1.361
13.3 cm	41.78	16.45	1.371
13.4 cm	42.10	16.57	1.381
13.5 cm	42.41	16.70	1.391
13.6 cm	42.73	16.82	1.402
13.7 cm	43.04	16.94	1.412
13.8 cm	43.35	17.07	1.422
13.9 cm	43.67	17.19	1.433
14.0 cm	43.98	17.32	1.443
14.1 cm	44.30	17.44	1.453
14.2 cm	44.61	17.56	1.464
14.3 cm	44.92	17.69	1.474
14.4 cm	45.24	17.81	1.484
14.5 cm	45.55	17.93	1.495
14.6 cm	45.87	18.06	1.505
14.7 cm	46.18	18.18	1.515
14.8 cm	46.50	18.31	1.525
14.9 cm	46.81	18.43	1.536