English units

Definition

English units are a system of measurement commonly used in the United States, including units such as inches, feet, pounds, and gallons. They are distinct from the metric system and often require conversion for scientific calculations.

5 Must Know Facts For Your Next Test

1. The basic unit of length in English units is the inch.
2. The pound is the primary unit of weight in English units.
3. One foot is equal to 12 inches.
4. English units are not based on the decimal system like metric units.
5. Conversions between English and metric units are common in physics problems.

Review Questions

• What is the primary unit of length in English units?
• How many inches are there in one foot?
• Why might conversions between English and metric units be necessary in physics?

Related terms

Metric System: A decimal-based system of measurement used widely around the world, including units such as meters, kilograms, and liters.

Conversion Factor: $$\text{A ratio used to convert measurements from one unit to another}.$$

SI Units: $$\text{International System of Units; a standardized system based on the metric system used globally for science and engineering}.$$