Astronomy SizeAstronomical Units to Meters

Astronomical Units to Meters

Methodology·How We Verify

Snapshot

1 Astronomical Unit equals 149,597,870,700 Meters.

Reference basis: This conversion uses fixed astronomy size constants anchored to meters.
Example: For 2 Astronomical Units, the result equals 299,195,741,400 Meters.

Interactive conversion

Converter Calculator

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

149,597,870,700 Meters (m)

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API and AI agent access

Astronomical Units to Meters.

Machine-readable identifiers

Conversion family: astronomy-size
Source unit: astronomical_units
Target unit: meters

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": "astronomy-size",
  "value": 1,
  "from": "astronomical_units",
  "to": "meters"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "astronomy-size",
    "value": 1,
    "from": "astronomical_units",
    "to": "meters",
    "result": {
      "raw": 149597870700,
      "display": "149,597,870,700"
    },
    "canonicalPath": "/astronomy-size/astronomical-units-to-meters/"
  }
}

API, OpenAPI and WebMCP documentation

Explanation

Astronomical Units convert into meters using fixed astronomy size constants anchored to meters. Formula: m = AU × 149597870700. That keeps the snapshot, calculator, table, and mirror page aligned on one constant basis.

It is useful for comparing planetary, stellar, and orbital-scale size references without switching between inconsistent reference tables.

Method & Reference

Method basis: exact conversion formula shown in Snapshot.
Applied factor: 1 Astronomical Unit = 149,597,870,700 Meters.
Consistency rule: calculator output and table values use the same constants and rounding policy.

Common Conversion Values

Astronomical Units (AU)	Meters (m)
1	149,597,870,700
2	299,195,741,400
5	747,989,353,500
10	1,495,978,707,000
100	14,959,787,070,000.002
1000	149,597,870,700,000

Questions & answers

Frequently Asked Questions

What is 1 astronomical unit in meters?

1 Astronomical Unit equals 149,597,870,700 Meters on this page.

Does this Astronomical Units to Meters page convert through meters first?

Yes. Standard metric units act as the shared size basis, and the astronomy reference unit is then applied through its fixed meter constant.

When would I convert astronomical units to meters?

This route is useful when expressing planetary or stellar size references in metric units, or restating metric sizes in familiar astronomy reference scales.

How do I reverse Astronomical Units to Meters?

Use the mirror Meters to Astronomical Units route; it reverses the same astronomy size constants without changing the underlying assumptions.