# Pound per square foot conversions

pressure conversions » pound per square foot conversionsThe online converter calculator on this page allows you to select the pressure/stress measurement unit you want 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.

## What is pound per square foot?

### Definition:

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. It is also equal to 0.47880259 hectopascals (hPa), or 0.047880259 kilopascals (kPa), or about 0.0004725414 atmospheres (atm), or 4.7880259x10-4 bars (bar), or 0.35913147 millimeters of mercury at 0 °C (mmHg), or 0.19222 inches of water at 4 °C (inH2O), 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.

*Note:*

The SI is an abbreviation for the International System of Units.

### 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/ft²)

Below you can find a comprehensive list with conversions from pounds per square foot to other (metric, imperial, or customary) pressure and stress measurement units.