Using your knowledge of metric prefixes and the problem solving method of dimensional analysis, it is easy to convert from one unit to another unit. You should still take significant figures into account when determining your final answer.
Here are some videos to help you with dimensional analysis and measurements problems:
Measurements Part 1 (Dimensional Analysis)
Measurements Part 2 (Metric Conversions)
Here is a practice worksheet and answer key that includes a variety of metric conversion problems, including basic conversions, multistep conversions, volume conversions, and English to metric conversions: