Pascals to Atmospheres

Snapshot

1 Pascal equals 0.00001 Atmospheres. Conversion Encyclopedia uses the same fixed conversion basis across the calculator, common values, and reverse page for this page.

Reference basis: This conversion uses exact pascal-based pressure definitions.
Example: For 0.1 Pascals, the result equals 9.87e-7 Atmospheres.
Use the reverse page if you need the opposite direction with the same basis.

Use the interactive calculator below for custom values and the common-value table for quick checks.

Converter Calculator

0.00001 Atmospheres (atm)

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Explanation

Formula: Atmospheres = Pascals × 0.00001. Why: both units are normalized through pascals, so the conversion follows one fixed pressure reference path with no offsets or profile-based assumptions.

Pascals (Pa): the SI derived unit of pressure, equal to one newton of force applied over one square meter.

Standard atmospheres (atm): a reference pressure unit fixed at exactly 101,325 pascals, often used for ambient and thermodynamic pressure contexts.

This route is useful when translating pressure values across SI, metric engineering, and imperial conventions so datasheets, gauges, and calculations stay comparable.

This conversion is purely multiplicative because both units reduce through pascals using fixed pressure constants with no offset.

Method & Reference

Method basis: exact conversion formula shown in Snapshot.
Applied factor: 1 Pascal = 0.00001 Atmospheres (using exact pascal-based pressure definitions).
Consistency rule: calculator output and table values use the same constants and rounding policy.

Common Conversion Values

Pascals (Pa)	Atmospheres (atm)
0.1	9.87e-7
0.5	0.000005
1	0.00001
5	0.000049
10	0.000099
14.7	0.000145
29.92	0.000295
100	0.000987
101.325	0.001
1,000	0.009869

Frequently Asked Questions

What is 1 pascal in atmospheres?

1 Pascal equals 0.00001 Atmospheres on this page.

What fixed pressure basis does this Pascals to Atmospheres page use?

This route normalizes both units through pascals, then applies the fixed target-unit pressure relationship so the direct answer, calculator, and common values table stay aligned.

When would I convert pascals to atmospheres?

This route is useful when translating pressure values across SI, metric engineering, and imperial conventions so datasheets, gauges, and calculations stay comparable.

How do I reverse Pascals to Atmospheres?

Use the mirror Atmospheres to Pascals route; it applies the inverse relationship with the same pressure assumptions.