English units

Definition

English units are a system of measurement used primarily in the United States, which includes units such as inches, feet, pounds, and gallons. These units are not based on the metric system and have unique conversion factors.

5 Must Know Facts For Your Next Test

1. The basic units in the English system include inches for length, pounds for weight, and seconds for time.
2. There are 12 inches in a foot and 3 feet in a yard.
3. One pound is equivalent to 16 ounces.
4. The English unit for volume is typically the gallon, where one gallon equals 4 quarts or 128 fluid ounces.
5. While most of the world uses the metric system, many engineering fields in the US still use English units.

Review Questions

• What are the primary units of length and weight in the English system?
• How many inches are there in a foot and how many feet are there in a yard?
• Convert one gallon to quarts and fluid ounces.

Related terms

Metric System: A decimal-based system of measurement used by most countries, including units like meters for length, kilograms for mass, and liters for volume.

SI Units: $\text{International System of Units (SI)}$ is a standardized system of measurements based on seven base units including meter (m), kilogram (kg), second (s), ampere (A), kelvin (K), mole (mol), and candela (cd).

Conversion Factors: Numerical values used to convert between different units of measurement within or between different systems.