PressurePsi to Atm

Pounds per Square Inch to Atmospheres

Methodology·How We Verify

Snapshot

1 Pounds per Square Inch equals 0.068046 Atmospheres.

Reference basis: This conversion uses exact pascal-based pressure definitions.
Example: For 0.1 Pounds per Square Inch, the result equals 0.006805 Atmospheres.

Interactive conversion

Converter Calculator

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

0.068046 Atmospheres (atm)

Switch

API and AI agent access

Pounds per Square Inch to Atmospheres.

Machine-readable identifiers

Conversion family: pressure
Source unit: psi
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": "psi",
  "to": "atm"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "pressure",
    "value": 1,
    "from": "psi",
    "to": "atm",
    "result": {
      "raw": 0.06804596390987416,
      "display": "0.068046"
    },
    "canonicalPath": "/pressure/psi-to-atm/"
  }
}

API, OpenAPI and WebMCP documentation

Explanation

Convert psi to Pa with 6894.757293168, then divide by 101,325 Pa per atm.

Method & Reference

Method basis: exact conversion formula shown in Snapshot.
Applied factor: 1 Pounds per Square Inch = 0.068046 Atmospheres (using exact pascal-based pressure definitions).
Consistency rule: calculator output and table values use the same constants and rounding policy.

Common Conversion Values

Pounds per Square Inch (psi)	Atmospheres (atm)
0.1	0.006805
1/2	0.034023
1	0.068046
5	0.34023
10	0.68046
14.7	1.000276
29.92	2.035935
100	6.804596
101.325	6.894757
1000	68.045964

Questions & answers

Frequently Asked Questions

What is 1 pounds per square inch in atmospheres?

1 Pounds per Square Inch equals 0.068046 Atmospheres on this page.

When would I convert pounds per square inch 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 Pounds per Square Inch to Atmospheres?

Use the mirror Atmospheres to Pounds per Square Inch route; it applies the inverse relationship with the same pressure assumptions.