WeightOunces to Kilograms

Ounces to Kilograms

Methodology·How We Verify

Snapshot

1 Ounce equals 0.02835 Kilograms.

Reference basis: This conversion uses exact modern mass definitions anchored to the kilogram.
Example: For 0.1 Ounces, the result equals 0.002834952 Kilograms.

Interactive conversion

Converter Calculator

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

0.02835 Kilograms

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API and AI agent access

Ounces to Kilograms.

Machine-readable identifiers

Conversion family: weight
Source unit: ounce
Target unit: kilogram

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": "weight",
  "value": 1,
  "from": "ounce",
  "to": "kilogram"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "weight",
    "value": 1,
    "from": "ounce",
    "to": "kilogram",
    "result": {
      "raw": 0.028349523125,
      "display": "0.02835"
    },
    "canonicalPath": "/weight/ounces-to-kilograms/"
  }
}

API, OpenAPI and WebMCP documentation

Explanation

Divide ounces by 16 to get pounds, then multiply by 0.45359237 to return kilograms.

Method & Reference

Method basis: exact conversion formula shown in Snapshot.
Applied factor: 1 Ounce = 0.02835 Kilograms (using exact modern mass definitions anchored to the kilogram).
Consistency rule: calculator output and table values use the same constants and rounding policy.

Common Conversion Values

Ounces	Kilograms
0.1	0.002834952
1/4	0.007087381
1/2	0.014175
1	0.02835
2	0.056699
5	0.141748
10	0.283495
25	0.708738
50	1.417
100	2.835

Questions & answers

Frequently Asked Questions

What is 1 ounce in kilograms?

1 Ounce equals 0.02835 Kilograms on this page.

Is there a reverse Kilograms to Ounces page?

Use the mirror Kilograms to Ounces page to switch the direction while keeping the same fixed mass definitions.