Circumference of a 1 Inch Diameter Circle
What is the circumference of a circle with a diameter of 1 in? How far around is a circle that is 1 inch across?
ft
in
cm
meters
Centimeters
Feet and Inches
Meters
Circumference of a 1″ diameter circle
| 3.1416 | inches |
| 0.26180 | feet |
| 0′ 3.1416″ | feet and inches |
| 0.079796 | meters |
| 7.9796 | centimeters |
(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.
Diameter
Circle Circumference by Diameter
(results are rounded)
| Diameter | in | ft | cm |
|---|---|---|---|
| 1.0 in | 3.142 | 0.2618 | 7.980 |
| 1.1 in | 3.456 | 0.2880 | 8.778 |
| 1.2 in | 3.770 | 0.3142 | 9.576 |
| 1.3 in | 4.084 | 0.3403 | 10.37 |
| 1.4 in | 4.398 | 0.3665 | 11.17 |
| Diameter | in | ft | cm |
|---|---|---|---|
| 1.5 in | 4.712 | 0.3927 | 11.97 |
| 1.6 in | 5.027 | 0.4189 | 12.77 |
| 1.7 in | 5.341 | 0.4451 | 13.57 |
| 1.8 in | 5.655 | 0.4712 | 14.36 |
| 1.9 in | 5.969 | 0.4974 | 15.16 |
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