This is a question that needs understanding. The calculation part is comparatively easy. We should first concentrate and write down all the important information's that are given in the question. 1 foot = 12 inches 1 inch = 2.54 centimeters The thing that needs to be determined is 1 foot = ? centimeters Now 1 foot = 12 inches = (12 * 2.54) centimeters = 30.48 centimeters So from the above deduction we can clearly see that 1 foot is equal to 30.48 centimeters. I hope the procedure is simple enough for you to understand.