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Is 181 square millimeters as big as a US Dime?

It's about seven-tenths as big as a US Dime
Flag of The US
The size of a US Dime is about 251.90 square millimeters.
(United States ten-cent coin) (a.k.a. Roosevelt dime)
The dime, in its current design since 1946, has a diameter of 17.91 mm (0.705 in) and an area of 251.9 sq. mm.
There's more! See other comparisons to 181 square millimeters...