Pressure
psftoPa
Convert pounds-force per square foot (psf) to pascals (Pa).
Factor1 psf = 47.88026 Pa
Converter
psf
Accepts numbers or expressions, e.g. 150 + 14.7
Result
Pa
Rendered to 6 significant figures.
Formula
Formula
Pa = psf × 47.88026
Multiply any value in pounds-force per square foot by 47.88026 to obtain the value in pascals.
Worked example
Convert 100 psf to Pa.
- 01Start with 100 psf.
- 02Multiply by the conversion factor: 100 × 47.88026 = 4788.03 Pa.
Result100 psf = 4788.03 Pa
Conversion table
| psf | Pa |
|---|---|
| 1 | 47.88 |
| 2 | 95.761 |
| 5 | 239.4 |
| 10 | 478.8 |
| 20 | 957.61 |
| 50 | 2394 |
| 100 | 4788 |
| 200 | 9576.1 |
| 500 | 23940 |
| 1000 | 47880 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from psf to Pa?
1 psf equals 47.88026 Pa. To convert, multiply the value in pounds-force per square foot by 47.88026.
How do I convert 1 psf to Pa?
1 psf = 47.8803 Pa. For any value, multiply by 47.88026.
How do I convert Pa back to psf?
Divide by the same factor — or equivalently, multiply by 0.02088543. So 1 Pa = 0.0208854 psf.
When would I need to convert pound-force per square foot to pascal?
Pressure conversions between psf and Pa are common when working with mixed-vendor instrumentation, when piping codes use different units to process datasheets, or when converting field readings into SI for hydraulic calculations.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).