What does the prefix 'kilo-' indicate when used in measurements?

The prefix 'kilo-' is a standard metric prefix that signifies multiplication by 1,000. This means that when you see a measurement associated with 'kilo-', such as a kilometer (km) or kilogram (kg), it represents 1,000 of the base unit. For example, 1 kilometer is equal to 1,000 meters, and 1 kilogram equals 1,000 grams. Understanding the metric system and its prefixes is essential in many fields, including electrical work, where precise calculations and measurements are vital. The use of 'kilo-' allows for easier communication and consistency when discussing larger quantities in a compact form.