Liter to US Cup Converter
One Liter equals 4.226752838 US Cup (1 l = 4.226752838 cup). Multiply a Liter value by 4.226752838 to get the equivalent in US Cup. Use the calculator above for instant results, or follow the formula, worked examples, and reference table below.
Formula
cup = l × 4.226752838
Multiply the Liter value by 4.226752838 to get the equivalent value in US Cup.
Example Conversions
1 Liter (l)
4.226752838 US Cup (cup)
5 Liter (l)
21.13376419 US Cup (cup)
10 Liter (l)
42.26752838 US Cup (cup)
25 Liter (l)
105.6688209 US Cup (cup)
100 Liter (l)
422.6752838 US Cup (cup)
Conversion Table
| Liter (l) | US Cup (cup) |
|---|---|
| 0.1 | 0.4226752838 |
| 0.5 | 2.113376419 |
| 1 | 4.226752838 |
| 2 | 8.453505675 |
| 5 | 21.13376419 |
| 10 | 42.26752838 |
| 25 | 105.6688209 |
| 50 | 211.3376419 |
| 100 | 422.6752838 |
| 250 | 1056.688209 |
| 500 | 2113.376419 |
| 1000 | 4226.752838 |
How to Convert Manually
Use these steps to convert Liter values to US Cup without the calculator.
- Write down the value in Liter (l) that you want to convert.
- Multiply that value by 4.226752838.
- For example, 10 Liter × 4.226752838 = 42.26752838 US Cup.
- Label the result as US Cup (cup).
Relative Size Comparison
This chart shows the visual difference in size between exactly one Liter and one US Cup.
About Liter and US Cup
The liter is exactly one cubic decimeter — a cube 10 cm on each side. Beverages, fuel, and engine displacement are sold and specified in liters across the metric world. The US cup is 8 US fluid ounces, about 236.6 milliliters. It is the backbone of American recipe measurement for both liquids and dry ingredients. One Liter equals 4.226752838 US Cup (1 l = 4.226752838 cup). Liter to US Cup conversion comes up most often in beverage bottles and cartons and in fuel sales outside the US, typically when figures need restating for American recipe measurements.
Precision and Rounding: US and imperial volume units share names but differ in size (an imperial gallon is about 20% larger than a US gallon), so confirm which system a figure uses before converting. Kitchen work tolerates rounding to the nearest milliliter or quarter-teaspoon; fuel, chemistry, and brewing need three or more decimal places.
Conversion factors per NIST Special Publication 811 and the BIPM SI Brochure (9th edition) (reference).
Worked Example
15 Liter equals 63.40129257 US Cup.
15 l × 4.226752838 = 63.40129257 cup
FAQ
How do I convert Liter to US Cup?
Multiply the Liter value by 4.226752838 to get the equivalent value in US Cup.
What is the formula for Liter to US Cup?
The formula is cup = l × 4.226752838.
How many US Cup are in 1 Liter?
1 Liter equals 4.226752838 US Cup.
Can I convert US Cup back to Liter?
Yes. 1 US Cup equals 0.2365882365 Liter, and the related converter can reverse the calculation.
What are common names for Liter and US Cup?
Liter is shown as l and may also be searched as liters, litre, litres. US Cup is shown as cup and may also be searched as cups, us cups.
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