Convert Pounds Per Square Foot to Pounds Per Square Inch

Enter the pressure in pounds per square foot below to get the value converted to pounds per square inch.

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1 psf = 0.006944 psi

How to Convert Pounds Per Square Foot to Pounds Per Square Inch

conversion scale showing pounds per square foot and equivalent pounds per square inch pressure values

To convert a pound per square foot measurement to a pound per square inch measurement, multiply the pressure by the conversion ratio. One pound per square foot is equal to 0.006944 pounds per square inch, so use this simple formula to convert:

pounds per square inch = pounds per square foot × 0.006944

The pressure in pounds per square inch is equal to the pounds per square foot multiplied by 0.006944.

For example, here's how to convert 5 pounds per square foot to pounds per square inch using the formula above.
5 psf = (5 × 0.006944) = 0.034722 psi

Pounds per square foot and pounds per square inch are both units used to measure pressure. Keep reading to learn more about each unit of measure.

Pounds Per Square Foot

One pound per square foot is the pressure of equal to one pound-force per square foot.

The pound per square foot is a US customary and imperial unit of pressure. Pounds per square foot can be abbreviated as psf, for example 1 pound per square foot can be written as 1 psf.

PSF can be expressed using the formula:
1 psf = 1 lbfft2

Pressure in pounds per square foot are equal to the pound-force divided by the area in square feet.

Pounds Per Square Inch

One pound per square inch is the pressure of equal to one pound-force per square inch.

The pound per square inch is a US customary and imperial unit of pressure. A pound per square inch is sometimes also referred to as a pound-force per square inch. Pounds per square inch can be abbreviated as psi, for example 1 pound per square inch can be written as 1 psi.

PSI can be expressed using the formula:
1 psi = 1 lbfin2

Pressure in pounds per square inch are equal to the pound-force divided by the area in square inches.

Pound Per Square Foot Measurements and Equivalent Pound Per Square Inch Conversions

Common pound per square foot values converted to the equivalent pound per square inch value
Pounds Per Square Foot Pounds Per Square Inch
1 psf 0.006944 psi
2 psf 0.013889 psi
3 psf 0.020833 psi
4 psf 0.027778 psi
5 psf 0.034722 psi
6 psf 0.041667 psi
7 psf 0.048611 psi
8 psf 0.055556 psi
9 psf 0.0625 psi
10 psf 0.069444 psi
11 psf 0.076389 psi
12 psf 0.083333 psi
13 psf 0.090278 psi
14 psf 0.097222 psi
15 psf 0.104167 psi
16 psf 0.111111 psi
17 psf 0.118056 psi
18 psf 0.125 psi
19 psf 0.131944 psi
20 psf 0.138889 psi
21 psf 0.145833 psi
22 psf 0.152778 psi
23 psf 0.159722 psi
24 psf 0.166667 psi
25 psf 0.173611 psi
26 psf 0.180556 psi
27 psf 0.1875 psi
28 psf 0.194444 psi
29 psf 0.201389 psi
30 psf 0.208333 psi
31 psf 0.215278 psi
32 psf 0.222222 psi
33 psf 0.229167 psi
34 psf 0.236111 psi
35 psf 0.243056 psi
36 psf 0.25 psi
37 psf 0.256944 psi
38 psf 0.263889 psi
39 psf 0.270833 psi
40 psf 0.277778 psi

More Pound Per Square Foot Pressure Conversions

Convert to Pascals
1 psf is equal to 47.880208 pascals
Convert to Hectopascals
1 psf is equal to 0.478802 hectopascals
Convert to Atmospheres
1 psf is equal to 0.000473 atmospheres
Convert to Bars
1 psf is equal to 0.000479 bars
Convert to Millibars
1 psf is equal to 0.478802 millibars
Convert to Kilograms Per Square Centimeter
1 psf is equal to 0.000488 kilograms per square centimeter
Convert to Kilograms Per Square Meter
1 psf is equal to 4.882422 kilograms per square meter
Convert to Torr
1 psf is equal to 0.359131 torr