Pounds per Square Inch to Pounds per Square Foot Converter
Convert pounds per square inch (psi) to pounds per square foot (psf), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter a pressure, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 psi = 144 psf
- 1 × 144 = 144 psf
How to convert pounds per square inch to pounds per square foot
1 psi = 144 psf, so multiply by 144 to go from pounds per square inch to pounds per square foot. Going the other way, 1 psf = 0.00694444444444 psi.
psf = psi × 144 psi = psf × 0.00694444444444
Worked example:
1 psi = 144 psf 5 × 144 = 720 psf
Pounds per Square Inch to pounds per square foot table
| Pounds per Square Inch | Pounds per Square Foot |
|---|---|
| 1 psi | 144 psf |
| 2 psi | 288 psf |
| 3 psi | 432 psf |
| 4 psi | 576 psf |
| 5 psi | 720 psf |
| 6 psi | 864 psf |
| 7 psi | 1,008 psf |
| 8 psi | 1,152 psf |
| 9 psi | 1,296 psf |
| 10 psi | 1,440 psf |
| 15 psi | 2,160 psf |
| 20 psi | 2,880 psf |
| 25 psi | 3,600 psf |
| 30 psi | 4,320 psf |
| 40 psi | 5,760 psf |
| 50 psi | 7,200 psf |
| 75 psi | 10,800 psf |
| 100 psi | 14,400 psf |
| 250 psi | 36,000 psf |
| 500 psi | 72,000 psf |
| 1000 psi | 144,000 psf |
About the units
- Pounds per Square Inch (psi)
- Pounds per square inch, a US customary unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.
- Pounds per Square Foot (psf)
- Pounds per square foot, a US customary unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.
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