How many millimeters are in a centimeter?

A centimeter is a unit of length in the metric system, and it is defined as one hundredth of a meter. Since there are 10 millimeters in one centimeter, the relationship is straightforward: for every centimeter, there are exactly 10 millimeters. This means that to convert centimeters to millimeters, you simply multiply the number of centimeters by 10. Therefore, when asked how many millimeters are in a centimeter, the correct answer is that there are 10 millimeters in a centimeter. This fundamental understanding of metric conversions is crucial for tasks involving measurements in various fields, including aviation.