psf to Bars Converter
Enter the pressure in psf below to convert it to bars.
Convert psf to Bars
Enter a value in psf (psf) to convert to bars (bar).
Pounds per Square Foot to Bar Conversion Table
Table showing various pounds per square foot measurements converted to bars. Click any preset value or arrow to load it into the converter.
| psf (psf) | Bars (bar) |
|---|---|
| 1 psf | 0.000478803 bar |
| 2 psf | 0.000957605 bar |
| 2.5 psf | 0.001197 bar |
| 5 psf | 0.002394 bar |
| 10 psf | 0.004788 bar |
| 15 psf | 0.007182 bar |
| 20 psf | 0.0095761 bar |
| 25 psf | 0.0119701 bar |
| 30 psf | 0.0143641 bar |
| 50 psf | 0.0239401 bar |
How to Convert psf to Bars
To convert psf to bars, multiply the pressure by the following conversion ratio: 0.000478803 bars/pounds per square foot.
Since one pounds per square foot is equal to 0.000478803 bars, you can use this simple formula to convert:
The pressure in bars is equal to the pressure in psf multiplied by 0.000478803.
For example, here's how to convert 5 psf to bars using the formula above.
How Many Bars Are in a Pounds per Square Foot?
There are 0.000478803 bars in a pounds per square foot, which is why we use this value in the formula above.
Our pounds per square foot to bar calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
psf and bars 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 Bar?
A bar is a unit of pressure equal to 100,000 pascals (Pa), the base unit for pressure. Metric pressure unit equal to 100,000 Pascals (100 kPa). [2]
The bar is classified as a metric and SI-compatible unit of pressure. Bars can be abbreviated as bar; for example, 1 bar can be written as 1 bar.
When working with bars (bar) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, bars (bar) are widely used across large-scale industrial, bulk, and macro-level pressure specifications within SI metric workflows, engineering documentation, and technical data sheets.
When converting pressure between psf (psf) and bars (bar), keep full floating-point precision (1 psf = 0.000478803 bar; 1 bar = 2,088.5434233 psf) during intermediate calculations and round only the final bar figure to match your instrument tolerance.
More Pounds per Square Foot & Bar Conversions
Need to calculate in the opposite direction? Use our bars to psf calculator to switch your starting unit immediately. You can also explore related tools such as converting bars to psf, converting psi to bars, or converting atmospheres to bars.
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 Bars (bar)
- [2]NIST CUU SpecificationNIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Pounds per Square Foot (psf) (psf) & Bar (bar)
- [3]BIPM ReferenceBIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (psf to bar)