You would use the unit pounds or 'lb.' Usually, when measuring the weight of anything, you would use the unit pounds. Weight is to differentiate the difference in mass from one place to another. On the moon you weigh something, on the earth you weigh something heavier. So, to compare that, we generically use pounds to identify weight. An example: 25 lb. If you were measuring mass, however, it would be grams then.
pounds
ounces
Cm
Inches.
Miles.Miles.Miles.Miles.
It is customary to use the kilogram - though that is technically not a weight, but a mass.
pounds
You would use pounds or kilograms to measure the weight of a person.
The ounce.
The customary unit of weight best suited to measure earrings would be ounces or grams. Ounces are commonly used for lightweight items like jewelry, while grams provide a more precise measurement for smaller weights. Both units are appropriate for measuring the weight of earrings accurately.
SI . . . Newton 'Customary' . . . pound, ounce, etc.
Seconds
Normally pounds or Kilograms but larger amounts could move in to tons and metric tons
ounces
ounces
It depends on what you want to measure. Their mass or size?
Pint.