WeightOunces to Kilograms

Ounces to Kilograms

Snapshot

1 Ounce equals 0.02835 Kilograms. 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 modern mass definitions anchored to the kilogram.
Example: For 0.1 Ounces, the result equals 0.002834952 Kilograms.
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

0.02835 Kilograms

Switch

Machine access

Available to apps and AI agents

Ounces to Kilograms 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: weight
Source unit: ounce
Target unit: kilogram

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": "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/"
  }
}

Full API documentation

Explanation

Use this page when you want a direct Ounces to Kilograms conversion. On this page, 1 Ounce equals 0.02835 Kilograms.

This route uses exact modern mass definitions, so the direct answer, calculator, table, and FAQ stay aligned for Ounces to Kilograms.

Ounces (oz): an avoirdupois mass unit with a fixed kilogram equivalent, widely used for food, parcels, and smaller imperial weights.

Kilograms (kg): the SI base unit of mass, used as the common reference for modern metric and cross-system weight conversions.

This route is useful when translating mass values across metric and imperial conventions so packaging, shipping, industrial, and everyday references stay comparable.

This conversion is purely multiplicative because both units reduce through kilograms using fixed mass definitions with no offset.

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
0.25	0.007087381
0.5	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.

What definition does this Ounces to Kilograms page use?

This route uses exact modern mass definitions anchored to the kilogram, so the factor stays consistent across the direct answer, calculator, table, and FAQ.

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.