Convert bar to psi
1 bar = 14.5038 psi · 1 psi = 0.0689476 bar · Exact by definition
1 bar = 14.5038 psi
The same value in other units
- pascal
- 100000 Pa
- hectopascal
- 1000 hPa
- kilopascal
- 100 kPa
- standard atmosphere
- 0.986923 atm
- millimetre of mercury
- 750.062 mmHg
Settings
Digits kept in the answer. Automatic keeps six, which hides floating-point noise without losing anything real.
Convert a whole list
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
bar to psi: conversion table
| bar | pound per square inch |
|---|---|
| 1 bar | 14.5038 psi |
| 2 bar | 29.0075 psi |
| 3 bar | 43.5113 psi |
| 5 bar | 72.5189 psi |
| 10 bar | 145.038 psi |
| 20 bar | 290.075 psi |
| 25 bar | 362.594 psi |
| 50 bar | 725.189 psi |
| 100 bar | 1450.38 psi |
| 250 bar | 3625.94 psi |
| 500 bar | 7251.89 psi |
| 1000 bar | 14503.8 psi |
| pound per square inch | bar |
|---|---|
| 1 psi | 0.0689476 bar |
| 2 psi | 0.137895 bar |
| 3 psi | 0.206843 bar |
| 5 psi | 0.344738 bar |
| 10 psi | 0.689476 bar |
| 20 psi | 1.37895 bar |
| 25 psi | 1.72369 bar |
| 50 psi | 3.44738 bar |
| 100 psi | 6.89476 bar |
| 250 psi | 17.2369 bar |
| 500 psi | 34.4738 bar |
| 1000 psi | 68.9476 bar |
How the conversion works
psi = bar × 14.503774
Both units are defined exactly, so the precision of the bar to psi 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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