When we convert units of length we start by determining the conversion number. Once we have found that value, it becomes a simple multiplication exercise. Often these values are given to students, but the most common metric values of length are based off of meter. This pivots easily into millimeters, centimeters, and kilometers. In U.S. Measurement system, we base everything off of the inch. This grows to feet, yards, and miles. The common conversion between the systems is that one inch is the equivalent of two and one-half centimeters.
These worksheets explain how to convert between different measurements of length. Questions may use either Imperial or Metric units. Instructors may decide if calculators are allowed.