Liters to US Cups
Convert liters to us cups instantly. 1 L = 4.2267528377 cup. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert liters to us cups
To convert liters to us cups, multiply by 4.2267528377. The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
cup = L × 4.2267528377
Liters to US Cups conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Liters | US Cups |
|---|---|
| 1 L | 4.226753 cup |
| 2 L | 8.453506 cup |
| 3 L | 12.680259 cup |
| 5 L | 21.133764 cup |
| 10 L | 42.267528 cup |
| 20 L | 84.535057 cup |
| 25 L | 105.668821 cup |
| 50 L | 211.337642 cup |
| 100 L | 422.675284 cup |
| 500 L | 2,113.38 cup |
| 1,000 L | 4,226.75 cup |
What is a liter?
The metric volume unit: one cubic decimetre, exactly 1,000 cm³.
What is a us cup?
8 US fluid ounces. The standard American recipe measure.
The formula
cup = L × 4.2267528377
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Liters to US Cups
- Type the number of liters you want to convert.
- Read the result in us cups straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked us cups to liters page.
Liters to US Cups — frequently asked questions
How many us cups are in a liter?
One liter equals 4.2267528377 cup. cup = L × 4.2267528377
What is the formula to convert liters to us cups?
The formula is cup = L × 4.2267528377. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert us cups back to liters?
Divide instead of multiplying: one us cup is 0.2365882365 L. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this liters to us cups free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
This page answers each of these searches. They are the exact phrases visitors use to find the liters to us cups.
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 15, 2026 · Calculation runs client-side · No data collected · Report an error