PressurePascals to Atm

Pascals to Atmospheres

Methodology·How We Verify

Snapshot

1 Pascal equals 0.00001 Atmospheres.

Reference basis: This conversion uses exact pascal-based pressure definitions.
Example: For 0.1 Pascals, the result equals 9.87e-7 Atmospheres.

Interactive conversion

Converter Calculator

Decimals: 1.5 or 1,5. Fractions: 1/2. Scientific notation: 1e3. Write 1000 without grouping separators.

0.00001 Atmospheres (atm)

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API and AI agent access

Pascals to Atmospheres.

Machine-readable identifiers

Conversion family: pressure
Source unit: pascals
Target unit: atm

Use these identifiers in the API request. Sources and model limits also apply to software clients.

Example API request and response

POST /api/v1/convert

Request

{
  "family": "pressure",
  "value": 1,
  "from": "pascals",
  "to": "atm"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "pressure",
    "value": 1,
    "from": "pascals",
    "to": "atm",
    "result": {
      "raw": 0.000009869232667160129,
      "display": "0.00001"
    },
    "canonicalPath": "/pressure/pascals-to-atm/"
  }
}

API, OpenAPI and WebMCP documentation

Explanation

Divide pascals by 101,325 because 1 standard atmosphere equals exactly 101,325 pascals.

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
1/2	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
1000	0.009869

Questions & answers

Frequently Asked Questions

What is 1 pascal in atmospheres?

1 Pascal equals 0.00001 Atmospheres on this page.

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.