The "English" system.
Inches, Feet, Yards, Miles, Ounces, Pounds, Tons, Fluid Ounces, Cups, Pints, Quarts, Gallons, degrees Fahrenheit and horsepower.
However, a lot of consumer products in the U.S. are in metric like medicine, liquor and carbonated drinks.
You use exactly the same instruments to measure speed in the metric system as you use in any other system. For example, a speedometer, or a distance measuring device and a stopwatch. The difference is that these devices are calibrated in metric units, instead of old-fashioned units.
The Metre.
liters
Volume is measure as width times height by depth no matter the system you're using. The metric system would just define the type of measurement you would use, such as liters instead of gallons.
metric ruler
You use exactly the same instruments to measure speed in the metric system as you use in any other system. For example, a speedometer, or a distance measuring device and a stopwatch. The difference is that these devices are calibrated in metric units, instead of old-fashioned units.
To measure.
All science uses the metric system for measurements. Meters instead of feet, centimeters instead of inches. A person has to learn the "language" of science.
"Metric" is a whole system of weights and measurements. Many different devices are used to measure things in the system.
The metric system.
The Metre.
liters
The SI unit for mass in the metric system is the kilogram.
This is because the U.S.A. is finally joining the modern world.
Volume is measure as width times height by depth no matter the system you're using. The metric system would just define the type of measurement you would use, such as liters instead of gallons.
By using measuring tools with metric measurements on them.
metric ruler