A US one cent coin measures 19mm, or 1.9cm, in diameter.
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Yes, a little bit smaller. A penny is 1.905 cm diameter
1 1.0 cm .0 cm
An American penny's diameter is 19.05mm. The formula for the circumference of a circle is C = π * d. Using π ≈ 3.14 gives a circumference of 59.82 mm or 5.982 cm.
It depends on what the 6 cm refer to! The diameter of a shape with a 6 cm diameter is ... surprise!... 6 cm.
Diameter of an Australian penny (no longer currency) is 1 and 3/16".