A scale
You would use the metric unit "kilograms" to measure the weight of a bag of groceries.
You would use the metric unit "kilograms" to measure the weight of a sack of peaches.
The metric unit used to measure weight is the kilogram (kg).
A gram would be an appropriate measure for its mass.
gram
newton
The Newton
Mass is measured in kilograms.
The metric unit for measuring human weight is actually the Newton (N). Newton's are a measure of force and weight is the product of the acceleration of gravity and an objects mass. The metric unit for measuring human mass is the kilogram (kg).
The weight of the box would be measured in grams.
You would most likely use milliters.
the best answer from me you can get is i would have to say measure it by pounds