A thermometer.
Celsius degrees
Celsius.
You would typically use the metric unit of centimeters to measure the growth of your hair.
You would use kilograms (kg) to measure someone's mass in metric units.
You would use the metric unit "liters" to measure the capacity of a hot water tank.
The answer will depend on what aspect of the calculator you wish to measure: its length, volume, mass, weight, temperature, etc.
You would use the metric unit "kilograms" to measure the weight of a bag of groceries.
You would use liters (L) to measure the volume of a soda container in the metric system.
I would use centimetres.
You would use the metric unit "kilograms" to measure the weight of a sack of peaches.
You would use the metric unit "kilograms" to measure the mass of a wardrobe.
Unit for time is a second.There are various instruments to measure temperature: a thermometer, a thermocouple are two.