Fuel EconomyMiles per Imperial Gallon to Miles per Liter

Miles per Imperial Gallon to Miles per Liter

Methodology·How We Verify

Snapshot

1 Miles per Imperial Gallon equals 0.219969 Miles per Liter.

Reference basis: This conversion uses a fixed factor based on reference unit definitions.
Example: For 5 Miles per Imperial Gallon, the result equals 1.099846 Miles per Liter.

Interactive conversion

Converter Calculator

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

0.219969 Miles per Liter (mi/L)

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API and AI agent access

Miles per Imperial Gallon to Miles per Liter.

Machine-readable identifiers

Conversion family: fuel-economy
Source unit: miles_per_imperial_gallon
Target unit: miles_per_liter

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": "fuel-economy",
  "value": 1,
  "from": "miles_per_imperial_gallon",
  "to": "miles_per_liter"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "fuel-economy",
    "value": 1,
    "from": "miles_per_imperial_gallon",
    "to": "miles_per_liter",
    "result": {
      "raw": 0.219969248473,
      "display": "0.219969"
    },
    "canonicalPath": "/fuel-economy/miles-per-imperial-gallon-to-miles-per-liter/"
  }
}

API, OpenAPI and WebMCP documentation

Explanation

The converter converts miles per imperial gallon into miles per liter using liters per 100 kilometers as the shared normalization basis. The factor stays fixed for this route, so the direct answer, calculator, common values, and mirror Miles per Liter to Miles per Imperial Gallon page all use the same fuel-economy definitions.

Method & Reference

Method basis: exact conversion formula shown in Snapshot.
Applied factor: 1 Miles per Imperial Gallon = 0.219969 Miles per Liter.
Consistency rule: calculator output and table values use the same constants and rounding policy.

Common Conversion Values

Miles per Imperial Gallon (mpg (UK))	Miles per Liter (mi/L)
5	1.099846
10	2.199692
15	3.299539
20	4.399385
25	5.499231
30	6.599077
40	8.79877
50	10.998462
60	13.198155
80	17.59754

Questions & answers

Frequently Asked Questions

Does this page use fixed fuel-economy standards only?

Yes. This cluster uses fixed metric, US, and UK fuel-economy standards only, with every route normalized through liters per 100 kilometers.