That depends what property you want to measure: its length, its weight, its mass, its density, its color, etc.
A calculator would be between 100 and 150 millimetres.
a calculator
You would use either inches or centimeters.
The answer will depend on what aspect of the calculator you wish to measure: its length, volume, mass, weight, temperature, etc.
A conversion calculator converts different metrics into others. Inches to yards, fractions to percentages and so on.
Millimetre.
in grams
Metrics that measure throughput speed include requests per second, transactions per minute, or data processed per time unit. Metrics that measure availability include uptime percentage, mean time to repair (MTTR), and mean time between failures (MTBF).
with millimeters
The distance calculator works by using the Global Positioning System to calculate the distance between two positions on the earth. The calculator can measure in yards but there are different calculators and calculators with different settings that have different measuring units.
Usually the density of an object is measured by immersing the object into water and then measuring the volume of the water. So no calculator would be required.
For length and height, you would use feet Width would be in inches Weight would be in pounds or ounces In metrics it would be meters Centimeters kilograms or grams