We will never go metric because of tooling... It would cost a fortune to retool factories and every mechanic etc will have to buy new tools. We should have done it but we won't do it now. Ok... an inch is 2.54 cm. So, a foot is 12 *2.54 = 30.48 cm. A sq ft is 1 foot by 1 foot. So, a square foot is 30.48 cm by 30.48 cm... so, 30.48 *30.48 = 929.03 sq cm.
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