🧪 Volume Converter

Cups to Liters
( cup → L )

Instantly convert US cups to liters. Enter any value below and get an accurate result with the full formula and reference table.

Converter Tool
cup
L
Result
1 cup ≈ 0.2366 L
0.2366
L
The Formula
L = cup × 0.236588
1 US cup = 0.2365882365 L exactly. For everyday use, 0.236588 is sufficiently accurate.

How to Convert Cups to Liters

To convert US cups to liters, multiply the number of cups by 0.236588. This factor comes from the definition of a cup in the US customary system: 1 cup = 8 fl oz, 1 fl oz = 29.5735295625 mL, and 1 L = 1000 mL.

Step-by-Step Example

Let’s convert 2 cups to liters:

1. Multiply by 0.236588: 2 × 0.236588 = 0.473176
2. So 2 cups equals approximately 0.473 L.

For a smaller amount, 0.5 cup × 0.236588 = 0.118294 L.

When You’d Use Each Unit

Cups are commonly used in the US for measuring ingredients like flour, sugar, milk, or water in recipes. Liters are the standard metric unit for volume and are used worldwide for larger quantities, such as beverages, fuel, and containers. Converting between them is essential for following recipes from different countries and for understanding product volumes.

Conversion Table

Common cups values converted to liters — typical values highlighted.

Cups (cup) Liters (L) Approximate
Frequently Asked Questions
How do I convert cups to liters quickly? +
Divide the number of cups by 4.227 (since 1 L ≈ 4.227 cups). For exact conversion, multiply by 0.236588. This tool provides the precise value.
How many liters are in a cup? +
There are approximately 0.236588 liters in one US cup.
What is 1 cup in L? +
1 cup ≈ 0.236588 L.
What is 1 L in cups? +
1 L ≈ 4.22675 cups.
Is this the same as a UK cup? +
No, UK cups are about 0.284 L. This converter uses the US customary cup, which is the most common in US recipes.
Can I convert liters back to cups with this tool? +
Yes! Just type a value into the liters field and the cups field updates automatically. Or use the ⇄ swap button to switch directions.
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