decimal place issues... I hope.

there are ten mm in a cm

456cm == 4560mm

there are 24.5 mm per inch (it is the law).

4550mm / 25.4 = 179.527 inches

or about 14.9 feet

which is about 5 yards

which is 20% of a 'murican football field if that helps

The above comment was pointing out that each 1 centimeter is slightly less than 0.4 inches. If you want to be more precise, each centimeter is about 0.3937 inches.

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