WeightPounds to Grams

Pounds to Grams

Methodology·How We Verify

Snapshot

1 Pound equals 453.592 Grams.

Reference basis: This conversion uses exact modern mass definitions anchored to the kilogram.
Example: For 0.1 Pounds, the result equals 45.359 Grams.

Interactive conversion

Converter Calculator

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

453.592 Grams

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API and AI agent access

Pounds to Grams.

Machine-readable identifiers

Conversion family: weight
Source unit: pound
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": "pound",
  "to": "gram"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "weight",
    "value": 1,
    "from": "pound",
    "to": "gram",
    "result": {
      "raw": 453.59237,
      "display": "453.592"
    },
    "canonicalPath": "/weight/pounds-to-grams/"
  }
}

API, OpenAPI and WebMCP documentation

Explanation

Multiply pounds by 453.59237 because one international pound equals exactly 453.59237 grams.

Method & Reference

Method basis: exact conversion formula shown in Snapshot.
Applied factor: 1 Pound = 453.592 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

Pounds	Grams
0.1	45.359
1/4	113.398
1/2	226.796
1	453.592
2	907.185
5	2,267.96
10	4,535.92
25	11,339.81
50	22,679.62
100	45,359.24

Questions & answers

Frequently Asked Questions

What is 1 pound in grams?

1 Pound equals 453.592 Grams on this page.

Is there a reverse Grams to Pounds page?

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