The SI unit is kilogram (kg); used also gram, milligram, microgram.
The SI (International System of Units) base unit for mass is kilogram (kg).
The is only one Metric System. That is the one you would use. The units you use to measure mass is the kilogram (Kg).
You would use kilograms (kg) to measure someone's mass in metric units.
Scientists use the metric system to measure matter. The metric system includes units like grams for mass, liters for volume, and meters for length. This system is based on powers of 10, making it easy to convert between different units.
Tape measure
Meter. . . . . Length Kilogram . . . Mass Second. . . . Time
If, by 'metric system', you mean 'SI system', then the base unit for mass is the kilogram
A) Kilogram and D) Gram are both units used to measure mass in the metric system. The kilogram is the base unit, and the gram is a smaller unit of mass. The other options, Anagram and Pound, are not units used in the metric system for measuring mass.
Mass units in the Metric system: Gram, kilogram Mass units in the English system: Poundal, Slug
The metric unit of mass is the gram (g) in the International System of Units (SI). Other common metric units of mass include the kilogram (kg) and the metric tonne (t).
metre - length/distance litre-volume kilogram-mass
The appropriate metric unit to measure the mass of a lawn mower would be kilograms (kg). This unit is commonly used for measuring the weight of objects in metric system.