 Pound per square inch

Pound per square inch (psi) is a unit of pressure that measures the amount of force (in pounds) applied over an area of one square inch. It is commonly used in various applications, including: 1. **Tire Pressure**: Automotive tire pressures are often measured in psi. 2. **Hydraulics**: Many hydraulic systems use psi to indicate pressure levels. 3. **Industrial Applications**: Various industries, including manufacturing and construction, use psi to describe pressure conditions.