Convert Cup (US) to Liter (L)
Category: Volume
1 cup = 0.236588 l
High-precision rounding: 6 decimals
How to convert cup (us) to liter (l)
Volume measures the space a substance occupies. SI uses cubic meters and liters; customary units like gallons, quarts, and pints persist in recipes, fuel, and containers. Accurate volume work often requires temperature and density considerations (e.g., for fuels).
This converter calculates Cup (US) to Liter (L) values by using the correct conversion rule for the Volume category. For linear units, standardized factors are used. For temperature, the calculator applies the proper formula with offsets.
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Quick conversion table
Handy values for Cup (US) to Liter (L). Click a value to open that exact result.
Conversion formula
Linear unit conversions use standardized factors; many are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).
Common mistakes
- Mixing US gallons (3.785 L) with Imperial gallons (4.546 L).
- Assuming kitchen ‘cup’ equals the same volume in every country.
Unit facts
- Cup (US): A US cup is ≈236.588 mL. Recipe ‘cups’ vary by country—convert carefully.
- Liter (L): One liter equals 1 dm³. Common for beverages, fuel, and many consumer goods.
About Cup (US)
Cup (US)
≈ 236.588 mL. Informal cooking measure; exact value may vary by country and cookbook conventions.
History: Culinary traditions standardized local cup sizes; US customary cup is common in recipes and nutrition.
About Liter (L)
Liter (L)
Equals 1 dm³; convenient for beverages, fuel, and appliance capacity. Interchangeable with 1,000 cm³. Widely recognized symbol ‘L’.
History: Originated in early metric definitions. Adoption accelerated with packaging standardization and consumer labeling.