ucUnitCloudInternational unit matrix

変換

Atmosphere to bar

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

Unit console

式・文脈・精度をそろえて単位を変換

UnitCloud は日常、技術、IT、エネルギー、移動、デザインのためのローカル測定ラボです。

変換元1 atm
結果1.01325 bar
Factor1 atm = 1.01325 bar
Source basisBIPM SI Brochure · NIST Guide to SI Appendix B.8

Examples

011 atm = 1.01325 bar

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

02よくある誤り

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

03基準単位: Pa

1 atm = 101,325 Pa. Then the value is converted through the base unit Pa into bar.

表

Atmospherebar
11.01325
22.0265
55.06625

式

1 atm = 101,325 Pa. Then the value is converted through the base unit Pa into bar.

出典

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

関連変換

bar to psibar → psi圧力psi to barpsi → bar圧力Kilopascal to psikPa → psi圧力

Search and practice paths

Search and practice paths

式表Examplesよくある誤りEveryday/engineeringExcel/CSV一括変換Print 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. 圧力. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.8.

Common questions

What is the factor for Atmosphere to bar?

1 atm = 1.01325 bar

Which formula does Atmosphere to bar use?

1 atm = 101,325 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.