What are units of measurement?

Related questions

• How was the english system of measurement created?
• Why is the metric system of measurement convenient to use?
• Why is a universal system of measurement necessary in science?
• What units of measurement do scientists use?
• How can I convert from international units (IU) to milligrams or micrograms?
• Why are standard units of measurement important to scientists?
• What are the seven fundamental units?
• What units of measurement are used for the combined gas law?
• How does changing the units of measurement affect correlation?
• What are some common mistakes students make with units of measurement?