Pressure Converter
Convert through one pascal baseline and round only the displayed value.
01 / CONVERT PRESSURE
CONVERTED VALUE
1 atm = 14.69594878 psi
Conversion constant: 1 atm = 14.6959487759 psi
- Converted value
- 14.69594878 psi
- Pascal baseline
- 101325 Pa
Calculation trace
- 1 atm → pascals101325 PaNormalize to base unit
- 101,325 Pa → psi14.69594878 psiConvert to target unit
| SOURCE | RELATION | CONVERTED |
|---|---|---|
| 1 atm | = | 14.69594878 psi |
| 5 atm | = | 73.47974388 psi |
| 10 atm | = | 146.95948776 psi |
| 25 atm | = | 367.3987194 psi |
| 100 atm | = | 1469.59487759 psi |
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How it works
Every value is converted to pascals, then divided by the target unit’s pascals-per-unit factor. The implementation uses 1 kPa = 1,000 Pa, 1 bar = 100,000 Pa, 1 atm = 101,325 Pa and 1 psi = 6,894.757293 Pa.
Assumptions & limits
- Uses fixed factors stored by the converter; the psi factor is represented to the precision shown.
- Converts pressure magnitudes only and does not distinguish absolute pressure from gauge pressure.
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FAQ
- What is standard atmosphere in pascals?
- One standard atmosphere is defined as exactly 101,325 pascals.
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Related calculators
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SOURCES
- Bureau International des Poids et Mesures (BIPM)The International System of Units (SI), 9th edition ↗
SI derived unit of pressure: the pascal (Pa = N/m²)
Accessed 2026-08-19
- National Institute of Standards and Technology (NIST)Guide for the Use of the International System of Units (SI) — NIST Special Publication 811 ↗
Appendix B exact pressure conversion factors (psi = 6894.757… Pa, bar = 100000 Pa, atm = 101325 Pa)
Accessed 2026-08-19