LengthFeet to Millimeters

Feet to Millimeters

Methodology·How We Verify

Snapshot

1 Foot equals 304.8 Millimeters.

Reference basis: This conversion uses exact modern length definitions anchored to meters.
Example: For 0.1 Feet, the result equals 30.48 Millimeters.

Interactive conversion

Converter Calculator

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

304.8 Millimeters

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API and AI agent access

Feet to Millimeters.

Machine-readable identifiers

Conversion family: length
Source unit: foot
Target unit: millimeter

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": "length",
  "value": 1,
  "from": "foot",
  "to": "millimeter"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "length",
    "value": 1,
    "from": "foot",
    "to": "millimeter",
    "result": {
      "raw": 304.80000000000007,
      "display": "304.8"
    },
    "canonicalPath": "/length/feet-to-millimeters/"
  }
}

API, OpenAPI and WebMCP documentation

Explanation

Multiply feet by 0.3048 and by 1000 so international feet convert directly to millimeters.

Method & Reference

Method basis: exact conversion formula shown in Snapshot.
Applied factor: 1 Foot = 304.8 Millimeters (using exact modern length definitions anchored to meters).
Consistency rule: calculator output and table values use the same constants and rounding policy.

Common Conversion Values

Feet	Millimeters
0.1	30.48
1/4	76.2
1/2	152.4
1	304.8
2	609.6
5	1,524
10	3,048
25	7,620
50	15,240
100	30,480

Questions & answers

Frequently Asked Questions

What is 1 foot in millimeters?

1 Foot equals 304.8 Millimeters on this page.

Is there a reverse Millimeters to Feet page?

Yes. Use the mirror Millimeters to Feet page to convert in the opposite direction with the same fixed length definitions.