# Do scientist use the customary system or the metric system of measurement?

metric system

### What is the difference between metric and coustomary?

In most of the world, there is no difference, because the metric system is the customary system. In a few isolated hold-out corners of the world, such as the USA, the English system is still customary. In those places, the main difference between the metric system and their customary system is that their customary system is a lot harder for their people to learn than the metric system would be.

### Why you use metric system as the SI in measurement?

Because the metric system is the "System Internationale", and it is far more used in the world than Customary units. If you are from the U.S.or U.K., the common unit of measurement on highways and roads is miles; and for temperature, Fahrenheit. Visit Canada or any other country and the units will probably be kilometers and Celsius or centigrade. Customary units are only used in the U.S. and the U.K.

### What countries still use custamary units of measurement?

Definition of Customary System of Measurement The Customary System of Measurement is derived from the earlier English system of measurement. More about Customary System of Measurement In customary measurement system length, capacity, weight, and temperature are measured. Units for length: inches, feet, yards, and miles Units for capacity: cups, pints, quarts, and gallons Units for weight: ounces, pounds, and tons Units for temperature: degrees Fahrenheit Examples of Customary System of Measurement The customary unit that…