psf to Pascals Converter
Enter the pressure in psf below to convert it to pascals.
Convert psf to Pascals
Enter a value in psf (psf) to convert to pascals (Pa).
Pounds per Square Foot to Pascal Conversion Table
Table showing various pounds per square foot measurements converted to pascals. Click any preset value or arrow to load it into the converter.
| psf (psf) | Pascals (Pa) |
|---|---|
| 1 psf | 47.880259 Pa |
| 2 psf | 95.760518 Pa |
| 2.5 psf | 119.7006475 Pa |
| 5 psf | 239.4012949 Pa |
| 10 psf | 478.8025898 Pa |
| 15 psf | 718.2038847 Pa |
| 20 psf | 957.6051796 Pa |
| 25 psf | 1,197.0064745 Pa |
| 30 psf | 1,436.4077694 Pa |
| 50 psf | 2,394.012949 Pa |
How to Convert psf to Pascals
To convert psf to pascals, multiply the pressure by the following conversion ratio: 47.880259 pascals/pounds per square foot.
Since one pounds per square foot is equal to 47.880259 pascals, you can use this simple formula to convert:
The pressure in pascals is equal to the pressure in psf multiplied by 47.880259.
For example, here's how to convert 5 psf to pascals using the formula above.
How Many Pascals Are in a Pounds per Square Foot?
There are 47.880259 pascals in a pounds per square foot, which is why we use this value in the formula above.
Our pounds per square foot to pascal calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
psf and pascals are both units used to measure pressure. Keep reading to learn more about each unit.
What Is a Pounds per Square Foot?
A pounds per square foot is a unit of pressure equal to 47.880259 pascals (Pa), the base unit for pressure. Equal to 1/144 PSI (47.88 Pascals), used in aerodynamic and structural wind loading. [1]
The pounds per square foot is classified as a US customary and imperial unit of pressure. psf can be abbreviated as psf; for example, 1 pounds per square foot can be written as 1 psf.
When working with psf (psf) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, psf (psf) are widely used across standard pressure applications within US customary and imperial workflows, engineering documentation, and technical data sheets.
What Is a Pascal?
SI derived unit of pressure equal to 1 Newton per square meter (N/m²). It serves as a primary reference unit for measuring pressure across scientific and practical applications. [2]
The pascal is classified as an International System of Units (SI) unit of pressure. Pascals can be abbreviated as Pa; for example, 1 pascal can be written as 1 Pa.
As the primary coherent reference unit for pressure in this category, all other pressure units are mathematically anchored to the pascal (Pa).
In practice, pascals (Pa) are widely used across standard pressure applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
When converting pressure between psf (psf) and pascals (Pa), keep full floating-point precision (1 psf = 47.880259 Pa; 1 Pa = 0.0208854 psf) during intermediate calculations and round only the final pascal figure to match your instrument tolerance.
More Pounds per Square Foot & Pascal Conversions
Need to calculate in the opposite direction? Use our pascals to psf calculator to switch your starting unit immediately. You can also explore related tools such as converting pascals to psf, converting hectopascals to pascals, or converting megapascals to pascals.
Frequently Asked Questions
References
- [1]NIST SP 811 StandardNIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))·Pressure Metrology Standard — psf (psf) to Pascals (Pa)
- [2]NIST CUU SpecificationNIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Pounds per Square Foot (psf) (psf) & Pascal (Pa)
- [3]BIPM ReferenceBIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (psf to Pa)