Units of MeasurementsKilograms (kg) - Used for larger quantities of material, such as the mass of a person, a car, or a large bag of cement.Grams (g) - Commonly used for smaller quantities, like the mass of a book, an apple, or a small amount of powder.Milligrams (mg) - Used for very small quantities, such as the mass of a single pill, a small insect, or a tiny amount of a chemical.Micrograms (µg) - Used for extremely small quantities, often encountered in scientific research, such as measuring the mass of a single cell or a trace amount of a pollutant.Metric Tons (t) - Used for very large quantities, such as the mass of a truckload of gravel or a large shipment of goods.