What Is the Liters to Cups Converter?
This tool converts a volume given in liters (L) into US customary cups. The US cup is a common cooking measure equal to 8 US fluid ounces, or about 0.236588 liters. Because recipes and product labels often mix metric and US units, this converter helps you move quickly between them without guesswork.
How to Use It
Type the volume in liters into the input field and the calculator instantly returns the equivalent number of US cups. For example, a 2-liter bottle, a half-liter glass, or 0.25 L of milk are all converted in one step.
The Formula Explained
The conversion uses the relationship that one US cup equals 0.236588 liters. To find how many cups fit into a given number of liters, divide the liters by that value:
$$\text{cups} = \frac{\text{liters}}{0.236588}$$
Equivalently, you can multiply liters by about 4.2268, since \(1 / 0.236588 \approx 4.2268\) cups per liter.
Worked Example
Suppose you have 1 liter of water. Dividing 1 by 0.236588 gives roughly 4.2268 US cups:
$$\frac{1}{0.236588} \approx 4.2268 \text{ cups}$$
A 2-liter bottle therefore holds about 8.4535 cups, and 0.5 L is about 2.1134 cups.
FAQ
Is this a US cup or a metric cup? This converter uses the US customary cup (0.236588 L). A metric cup is 0.25 L and a UK cup historically differs too.
How many cups are in 1 liter? About 4.23 US cups.
Can I convert cups back to liters? Yes — multiply the number of cups by 0.236588 to get liters.
