Meters
The standard unit to measure mass is kilograms.
feet
Meters
feet
millimeter
The standard unit to measure mass is kilograms.
feet
The most appropriate metric unit to measure the mass of a concrete block is kilograms (kg).
feet
Meters
millimeter
kilograms
Centimeter
Litres.
Feet
Kilograms are the most appropriate.
The appropriate unit to measure weight is the newton. Now, if it is really the mass you wanted, you could use kilogram or gram.