WeightOunces to Grams

Ounces to Grams

Methodology·How We Verify

Snapshot

1 Ounce equals 28.35 Grams.

Reference basis: This conversion uses exact modern mass definitions anchored to the kilogram.
Example: For 0.1 Ounces, the result equals 2.835 Grams.

Interactive conversion

Converter Calculator

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

28.35 Grams

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API and AI agent access

Ounces to Grams.

Machine-readable identifiers

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

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": "gram"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "weight",
    "value": 1,
    "from": "ounce",
    "to": "gram",
    "result": {
      "raw": 28.349523125,
      "display": "28.35"
    },
    "canonicalPath": "/weight/ounces-to-grams/"
  }
}

API, OpenAPI and WebMCP documentation

Explanation

Multiply ounces by 28.349523125 because one international ounce equals exactly 28.349523125 grams.

Method & Reference

Method basis: exact conversion formula shown in Snapshot.
Applied factor: 1 Ounce = 28.35 Grams (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	Grams
0.1	2.835
1/4	7.087
1/2	14.175
1	28.35
2	56.699
5	141.748
10	283.495
25	708.738
50	1,417.48
100	2,834.95

Questions & answers

Frequently Asked Questions

What is 1 ounce in grams?

1 Ounce equals 28.35 Grams on this page.

Is there a reverse Grams to Ounces page?

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