What is the circumference of a circle with a diameter of 55 cm? How far around is a circle that is 55 centimeters across?
Circumference of a 55cm diameter circle
172.79centimeters 1.7279meters 5.6689feet 68.027inches 5′ 8.027″feet and inches
(results may be rounded)
Circumference of a Circle Formula
The circumference of a circle is pi times its diameter.
Circumference = π * Diameter
Diameter of a Circle
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 are rounded)
Diameter cm in ft 55.0 cm 172.8 68.03 5.669 55.1 cm 173.1 68.15 5.679 55.2 cm 173.4 68.27 5.689 55.3 cm 173.7 68.40 5.700 55.4 cm 174.0 68.52 5.710 55.5 cm 174.4 68.65 5.720 55.6 cm 174.7 68.77 5.731 55.7 cm 175.0 68.89 5.741 55.8 cm 175.3 69.02 5.751 55.9 cm 175.6 69.14 5.762 56.0 cm 175.9 69.26 5.772 56.1 cm 176.2 69.39 5.782 56.2 cm 176.6 69.51 5.793 56.3 cm 176.9 69.63 5.803 56.4 cm 177.2 69.76 5.813 56.5 cm 177.5 69.88 5.823 56.6 cm 177.8 70.01 5.834 56.7 cm 178.1 70.13 5.844 56.8 cm 178.4 70.25 5.854 56.9 cm 178.8 70.38 5.865 57.0 cm 179.1 70.50 5.875 57.1 cm 179.4 70.62 5.885 57.2 cm 179.7 70.75 5.896 57.3 cm 180.0 70.87 5.906 57.4 cm 180.3 71.00 5.916
Diameter cm in ft 57.5 cm 180.6 71.12 5.927 57.6 cm 181.0 71.24 5.937 57.7 cm 181.3 71.37 5.947 57.8 cm 181.6 71.49 5.957 57.9 cm 181.9 71.61 5.968 58.0 cm 182.2 71.74 5.978 58.1 cm 182.5 71.86 5.988 58.2 cm 182.8 71.98 5.999 58.3 cm 183.2 72.11 6.009 58.4 cm 183.5 72.23 6.019 58.5 cm 183.8 72.36 6.030 58.6 cm 184.1 72.48 6.040 58.7 cm 184.4 72.60 6.050 58.8 cm 184.7 72.73 6.061 58.9 cm 185.0 72.85 6.071 59.0 cm 185.4 72.97 6.081 59.1 cm 185.7 73.10 6.091 59.2 cm 186.0 73.22 6.102 59.3 cm 186.3 73.35 6.112 59.4 cm 186.6 73.47 6.122 59.5 cm 186.9 73.59 6.133 59.6 cm 187.2 73.72 6.143 59.7 cm 187.6 73.84 6.153 59.8 cm 187.9 73.96 6.164 59.9 cm 188.2 74.09 6.174
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