1. Metric System 2. Metric system as powers of 10 3. Common US measures and conversions defonison?

The metric system is a system of measurement used internationally, based on units such as meters, grams, and liters. It was developed in France in the late 18th century and is based on the idea of units being related to each other by powers of 10. This makes conversions between different units very easy, as you simply need to move the decimal point to the right or left to change the unit by a factor of 10.

Common US measures include units such as inches, feet, pounds, and gallons. Conversions between metric and US measures can sometimes be a bit more complicated, as the two systems are not always directly interchangeable. However, there are conversion factors that can be used to convert between the two systems. For example, 1 inch is equal to 2.54 centimeters, 1 foot is equal to 0.3048 meters, and 1 pound is equal to 0.4536 kilograms.