ucUnitCloudInternational unit matrix

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psi en bar

bar, psi and atm appear in different fields. Tyre, weather and lab values need context.

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Convertir des unités avec formule, contexte et précision

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De1 psi
Résultat0,06894757 bar
Factor1 psi = 0,0689475729 bar
Source basisBIPM SI Brochure · NIST Guide to SI Appendix B.8

Examples

0114,5 psi = 0,99973981 bar

Example value from the reference table. Internal calculation uses stored factors; display output is rounded.

02Erreur fréquente

bar, psi and atm appear in different fields. Tyre, weather and lab values need context.

03Unité de base: Pa

1 psi ≈ 6894.757 Pa. Then the value is converted through the base unit Pa into bar.

Tableau

psibar
14,50,99973981
302,06842719
352,41316505
1006,89475729

Formule

1 psi ≈ 6894.757 Pa. Then the value is converted through the base unit Pa into bar.

Sources

BIPM SI BrochureSI base units, prefixes and official SI context.NIST Guide to SI Appendix B.8Alphabetical conversion factors including pressure and force units.

Conversions liées

bar en psibar → psiPressionKilopascal en psikPa → psiPressionAtmosphere en baratm → barPression

Search and practice paths

Search and practice paths

FormuleTableauExamplesErreur fréquenteEveryday/engineeringExcel/CSVConvertisseur par lotPrint view
psiTyre pressure, bar and psi
Factor origin

Factors come from the stored source family and are not derived from rounded display values.

Rounding rule

UnitCloud keeps calculating with stored factors and rounds only the displayed output by selected precision.

When not to use

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.

Citation

Citation note: UnitCloud, conversion with formula, sources current as of May 2026. Pression. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.8.

Common questions

What is the factor for psi en bar?

1 psi = 0,0689475729 bar

Which formula does psi en bar use?

1 psi ≈ 6894.757 Pa. Then the value is converted through the base unit Pa into bar.

When should I verify the result?

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.