Stress
psftohPa
Convert pounds-force per square foot (stress) (psf) to hectopascals (stress) (hPa).
Factor1 psf = 0.4788026 hPa
Converter
psf
Accepts numbers or expressions, e.g. 150 + 14.7
Result
hPa
Rendered to 6 significant figures.
Formula
Formula
hPa = psf × 0.4788026
Multiply any value in pounds-force per square foot (stress) by 0.4788026 to obtain the value in hectopascals (stress).
Worked example
Convert 10 psf to hPa.
- 01Start with 10 psf.
- 02Multiply by the conversion factor: 10 × 0.4788026 = 4.78803 hPa.
Result10 psf = 4.78803 hPa
Conversion table
| psf | hPa |
|---|---|
| 1 | 0.4788 |
| 2 | 0.95761 |
| 5 | 2.394 |
| 10 | 4.788 |
| 20 | 9.5761 |
| 50 | 23.94 |
| 100 | 47.88 |
| 200 | 95.761 |
| 500 | 239.4 |
| 1000 | 478.8 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from psf to hPa?
1 psf equals 0.4788026 hPa. To convert, multiply the value in pounds-force per square foot (stress) by 0.4788026.
How do I convert 1 psf to hPa?
1 psf = 0.478803 hPa. For any value, multiply by 0.4788026.
How do I convert hPa back to psf?
Divide by the same factor — or equivalently, multiply by 2.088543. So 1 hPa = 2.08854 psf.
When would I need to convert pound-force per square foot (stress) to hectopascal (stress)?
Stress conversions between psf and hPa are routine in mechanics-of-materials work: yield, ultimate and allowable-stress specification, Young's-modulus tables and structural-design code calculations. MPa and N/mm² dominate ISO and European datasheets, psi and ksi dominate US structural codes, and kgf/cm² and kgf/mm² appear in legacy JIS and heavy-engineering documentation. Stress is the same physical dimension as pressure but a different engineering quantity — this category is mechanics-of-materials, not process pressure.
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).
Related conversions
- hPa → psfhectopascal (stress) → pound-force per square foot (stress)
- Pa → psfpascal (stress) → pound-force per square foot (stress)
- psf → Papound-force per square foot (stress) → pascal (stress)
- kPa → psfkilopascal (stress) → pound-force per square foot (stress)
- psf → kPapound-force per square foot (stress) → kilopascal (stress)
- psi → psfpound-force per square inch (stress) → pound-force per square foot (stress)