Convert psi to atm
1 psi = 0.068046 atm · 1 atm = 14.6959 psi · Exact by definition
1 psi = 0.068046 atm
The same value in other units
- pascal
- 6894.76 Pa
- hectopascal
- 68.9476 hPa
- kilopascal
- 6.89476 kPa
- bar
- 0.0689476 bar
- millimetre of mercury
- 51.7149 mmHg
Settings
Digits kept in the answer. Automatic keeps six, which hides floating-point noise without losing anything real.
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Paste one conversion per line, written the way you would say it: "5 km to mi". Handy for a column copied out of a spreadsheet.
Pressure
psi to atm: conversion table
| pound per square inch | standard atmosphere |
|---|---|
| 1 psi | 0.068046 atm |
| 2 psi | 0.136092 atm |
| 3 psi | 0.204138 atm |
| 5 psi | 0.34023 atm |
| 10 psi | 0.68046 atm |
| 20 psi | 1.36092 atm |
| 25 psi | 1.70115 atm |
| 50 psi | 3.4023 atm |
| 100 psi | 6.8046 atm |
| 250 psi | 17.0115 atm |
| 500 psi | 34.023 atm |
| 1000 psi | 68.046 atm |
| standard atmosphere | pound per square inch |
|---|---|
| 1 atm | 14.6959 psi |
| 2 atm | 29.3919 psi |
| 3 atm | 44.0878 psi |
| 5 atm | 73.4797 psi |
| 10 atm | 146.959 psi |
| 20 atm | 293.919 psi |
| 25 atm | 367.399 psi |
| 50 atm | 734.797 psi |
| 100 atm | 1469.59 psi |
| 250 atm | 3673.99 psi |
| 500 atm | 7347.97 psi |
| 1000 atm | 14695.9 psi |
How the conversion works
atm = psi × 0.068045964
Both units are defined exactly, so the precision of the psi to atm result depends only on the number of decimal places you choose.
METHOD AND SOURCES
Where the conversion factors come from
Results are calculated from the unit definitions stored in the converter, not copied from a lookup table. For exact units, every value in the table follows from the same factor shown in the formula above.
- BIPM — SI Brochure
The official definitions of the International System of Units (SI).
- NIST SP 811 — Conversion factors
Conversion-factor tables for SI and non-SI units.
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