How do you convert between units in the metric system?

The metric system is a decimal system of measurement that is widely used throughout the world. To convert between units in the metric system, you need to use a conversion factor. A conversion factor is a ratio that expresses the relationship between two different units. For example, to convert from meters to kilometers, you would use the conversion factor of 1 kilometer equals 1,000 meters. To convert from centimeters to meters, you would use the conversion factor of 1 meter equals 100 centimeters.

When converting between units in the metric system, you need to move the decimal point to the left or right depending on the size of the units. To convert from a larger unit to a smaller unit, you move the decimal point to the right. To convert from a smaller unit to a larger unit, you move the decimal point to the left.

For example, to convert 2 kilometers to meters, you would multiply 2 by 1,000, which equals 2,000 meters. To convert 500 centimeters to meters, you would divide 500 by 100, which equals 5 meters.