# Pound per square foot conversions

The pound per square foot conversion selector on this page selects the pressure/stress measurement unit to convert to starting from pounds per square foot (psf). To make a conversion starting from a unit of pressure other than pound per square foot, simply click on the "Reset" button.

## About pound per square foot

The **pound per square foot** (or **pound-force per square foot**) is a unit of pressure equal to 47.880259 pascals (1 psf = 47.880259 Pa), the SI derived unit of pressure.

The pound per square foot (psf) is also equal to 0.47880259 hectopascals (hPa), or 0.047880259 kilopascals (kPa), or about 0.0004725414 atmospheres (atm), or 4.7880259 × 10^{-4} bars (bar), or 0.35913147 millimeters of mercury at 0 °C (mmHg), or 0.19222 inches of water at 4 °C (inH_{2}O), or 0.0069444 pounds per square inch (psi) or 0.35913147 torr (Torr).

The pound per square foot is the pressure that results when a force of one pound-force is applied (uniformly and perpendicularly) on a surface of one square foot. The pound-force (lbf) is a unit of force while the square foot (sq ft) is a unit of area.

Symbol: psf

Plural: pounds per square foot

Also known as: pound-force per square foot (plural: pounds-force per square foot, abbreviation: lbf/sq ft, lbf/ft^{2})