CookingCups to Liters

Cups to Liters

Methodology·How We Verify

Snapshot

1 Cup equals 0.237 Liters.

Reference basis: This is a straight kitchen unit conversion with no ingredient-density step in the middle.
Example: 0.25 Cups work out to 0.059 Liters.

Interactive conversion

Converter Calculator

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

0.237 Liters

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API and AI agent access

Cups to Liters.

Machine-readable identifiers

Conversion family: cooking
Source unit: cup_us
Target unit: 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": "cooking",
  "value": 1,
  "from": "cup_us",
  "to": "liter"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "cooking",
    "value": 1,
    "from": "cup_us",
    "to": "liter",
    "result": {
      "raw": 0.236588,
      "display": "0.237"
    },
    "canonicalPath": "/cooking/cups-to-liters/"
  }
}

API, OpenAPI and WebMCP documentation

Explanation

Divide the US cup (236.588 mL) by 1000 to express cup volumes in liters for metric-aware cooking.

Method & Reference

Method basis: exact conversion formula shown in Snapshot.
Applied factor: 1 Cup = 0.237 Liters.
Consistency rule: calculator output and table values use the same constants and rounding policy.

Common Conversion Values

Cups	Liters
1/4	0.059
1/3	0.079
1/2	0.118
1	0.237
1 1/2	0.355
2	0.473
3	0.71

Questions & answers

Frequently Asked Questions

Which cup definition is used?

It uses the US customary cup standardized to 236.588 milliliters.

Why convert cups into liters?

It helps when recipes mix customary cups with metric liters for sauces, soups, or beverages.