Units from the metric system can be used to describe the mass, volume or length of an object. Mass is measured in grams (g) and kilograms (kg). Volume is measured in millilitres (ml) and litres (l).

Speed is a measure of how fast something is travelling, or how fast something can be done. The speed of an object is how far the object travels in one unit of time. The formula for speed is: ...

All Fitbit devices support both Imperial and Metric units of measurements. If you want to change the current units for height, weight, water consumption, or swims, follow the steps below. You can ...

Depending on your current location, Google Maps may set your default measurement unit to kilometers or miles. However, if you have a preferred unit of measurement, you can set your default distance ...