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Floppy disks have been around since 1971

3 sizes, older to newer...

8 inches

5 1/4 inches

3 1/2 inches

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13y ago
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14y ago

There are 3 Floppy disk sizes, they are named by their width, in inches:

8-inch - 20.32cm
5¼-inch - 13.34cm
3½-inch - 8.89cm

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15y ago

90mm 9cm Source - measured one

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Q: How many cm is the width of a floppy disk?
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