psf to Kilopascals Converter
Enter the pressure in psf below to convert it to kilopascals.
Convert psf to Kilopascals
Enter a value in psf (psf) to convert to kilopascals (kPa).
Pounds per Square Foot to Kilopascal Conversion Table
Table showing various pounds per square foot measurements converted to kilopascals. Click any preset value or arrow to load it into the converter.
| psf (psf) | Kilopascals (kPa) |
|---|---|
| 1 psf | 0.0478803 kPa |
| 2 psf | 0.0957605 kPa |
| 2.5 psf | 0.1197006 kPa |
| 5 psf | 0.2394013 kPa |
| 10 psf | 0.4788026 kPa |
| 15 psf | 0.7182039 kPa |
| 20 psf | 0.9576052 kPa |
| 25 psf | 1.1970065 kPa |
| 30 psf | 1.4364078 kPa |
| 50 psf | 2.3940129 kPa |
How to Convert psf to Kilopascals
To convert psf to kilopascals, multiply the pressure by the following conversion ratio: 0.0478803 kilopascals/pounds per square foot.
Since one pounds per square foot is equal to 0.0478803 kilopascals, you can use this simple formula to convert:
The pressure in kilopascals is equal to the pressure in psf multiplied by 0.0478803.
For example, here's how to convert 5 psf to kilopascals using the formula above.
How Many Kilopascals Are in a Pounds per Square Foot?
There are 0.0478803 kilopascals in a pounds per square foot, which is why we use this value in the formula above.
Our pounds per square foot to kilopascal calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
psf and kilopascals 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 Kilopascal?
A kilopascal is a unit of pressure equal to 1,000 pascals (Pa), the base unit for pressure. Equal to 1,000 Pascals (1 kN/m²). [2]
The kilopascal is classified as a metric and SI-compatible unit of pressure. Kilopascals can be abbreviated as kPa; for example, 1 kilopascal can be written as 1 kPa.
In the metric system, "kilo" is the standard SI prefix for thousands, or 10³. This makes the kilopascal (kPa) a convenient decimal multiple of the pascal (Pa).
In practice, kilopascals (kPa) 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 kilopascals (kPa), keep full floating-point precision (1 psf = 0.0478803 kPa; 1 kPa = 20.8854342 psf) during intermediate calculations and round only the final kilopascal figure to match your instrument tolerance.
More Pounds per Square Foot & Kilopascal Conversions
Need to calculate in the opposite direction? Use our kilopascals to psf calculator to switch your starting unit immediately. You can also explore related tools such as converting kilopascals to psf, converting psi to kilopascals, or converting bars to kilopascals.
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 Kilopascals (kPa)
- [2]NIST CUU SpecificationNIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Pounds per Square Foot (psf) (psf) & Kilopascal (kPa)
- [3]BIPM ReferenceBIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (psf to kPa)