Pressure & stress
Pressure, material stress and fluid head.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert pound-force per square inch (psi) to pound-force per square foot (psf). Enter a value for an instant result, or use the examples and reverse conversion below.
Pressure, material stress and fluid head.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a pound-force per square inch value to calculate pound-force per square foot with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| pascalfrom psi | Pa | 6894.76 |
| hectopascalfrom psi | hPa | 68.9476 |
| kilopascalfrom psi | kPa | 6.89476 |
| megapascalfrom psi | MPa | 0.00689476 |
| gigapascalfrom psi | GPa | 0.00000689476 |
| millibarfrom psi | mbar | 68.9476 |
| barfrom psi | bar | 0.0689476 |
| standard atmospherefrom psi | atm | 0.068046 |
| torrfrom psi | Torr | 51.7149 |
| millimetre of mercuryfrom psi | mmHg | 51.7149 |
| inch of mercury, conventionalfrom psi | inHg | 2.03602 |
| millimetre of water, conventionalfrom psi | mmH₂O | 703.07 |
| inch of water, conventionalfrom psi | inH₂O | 27.6799 |
| pound-force per square footfrom psi | psf | 144 |
| pound-force per square inchfrom psi | psi | 1 |
| kilopound-force per square inchfrom psi | ksi | 0.001 |
| kilogram-force per square centimetrefrom psi | kgf/cm² | 0.070307 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Pound-force Per Square Inch (psi) and pound-force per square foot (psf) are units of pressure & stress. Use this page to convert in either direction.
| Pound-force Per Square Inch (psi) | Pound-force Per Square Foot (psf) |
|---|---|
| 1 psi | 144 psf |
| 5 psi | 720 psf |
| 10 psi | 1440 psf |
| 100 psi | 14400 psf |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
psf to psi (pound-force per square foot to pound-force per square inch)