StressKilopascals to Psi

Kilopascals to Pounds per Square Inch

Snapshot

1 Kilopascal equals 0.145038 Pounds per Square Inch. 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 stress definitions.
Example: For 0.1 Kilopascals, the result equals 0.014504 Pounds per Square Inch.
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.

Interactive conversion

Converter Calculator

0.145038 Pounds per Square Inch (psi)

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Machine access

Available to apps and AI agents

Kilopascals to Pounds per Square Inch can be requested through Conversion Encyclopedia's structured interfaces by software and compatible AI agents. The identifiers below select the same calculation as the calculator.

Machine-readable identifiers

Conversion family: stress
Source unit: kilopascals
Target unit: psi

The JSON API and OpenAPI specification use the identifiers to reach the conversion engine. WebMCP lets compatible AI agents request the same calculation.

Example API request and response

POST /api/v1/convert

Request

{
  "family": "stress",
  "value": 1,
  "from": "kilopascals",
  "to": "psi"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "stress",
    "value": 1,
    "from": "kilopascals",
    "to": "psi",
    "result": {
      "raw": 0.14503773773021683,
      "display": "0.145038"
    },
    "canonicalPath": "/stress/kilopascals-to-psi/"
  }
}

Full API documentation

Explanation

Formula: Pounds per Square Inch = Kilopascals × 0.145038. Why: this is a cross-system stress conversion. The calculator normalizes the value through pascals, then applies the exact target-unit constant for consistent structural and materials analysis.

Kilopascals (kPa): a stress unit equal to 1,000 pascals, used for lower-range engineering and process-scale stress values.

Pounds per square inch (psi): an imperial stress unit widely used in structural, mechanical, and materials specifications.

This route is useful when translating stress values across SI, metric engineering, and imperial conventions so design calculations, datasheets, and material references stay comparable.

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

Method & Reference

Method basis: exact conversion formula shown in Snapshot.
Applied factor: 1 Kilopascal = 0.145038 Pounds per Square Inch (using exact pascal-based stress definitions).
Consistency rule: calculator output and table values use the same constants and rounding policy.

Common Conversion Values

Kilopascals (kPa)	Pounds per Square Inch (psi)
0.1	0.014504
0.5	0.072519
1	0.145038
5	0.725189
10	1.45
14.7	2.132
29.92	4.34
100	14.504
101.325	14.696
1,000	145.038

Questions & answers

Frequently Asked Questions

How many pounds per square inch are in 1 kilopascal?

1 Kilopascal equals 0.14503773773 Pounds per Square Inch on this page.

What reference model does this Kilopascals to Pounds per Square Inch page use?

This route uses exact pascal-based stress definitions, so the direct answer, calculator, table, and FAQ stay aligned on the same fixed stress relationship.

Can I use decimal values for Kilopascals to Pounds per Square Inch?

Yes. Decimal inputs are supported for Kilopascals to Pounds per Square Inch, and the mirror direction keeps inverse assumptions aligned.