Liters to Cups
Convert liters to cups instantly — one liter is 4.22675 cups.
| Liters | 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 |
| 25 L | 105.668821 cup |
| 50 L | 211.337642 cup |
| 100 L | 422.675284 cup |
How to use
- Enter a value in the Liters field.
- The Cups figure appears immediately — no button to press.
- Typing in the Cups field converts back to Liters the same way.
- Use the reference table for the values that come up most often.
Liters to Cups formula
Converting liters to cups is a single multiplication by 4.22675284.
cup = L × 4.22675284
Why this factor: the liter and the cup are both defined against the liter, so dividing one definition by the other gives 4.22675284 directly. Both definitions are set out in full below.
To go the other way, divide by 4.22675284 — or use the Cups to Liters converter, which is the same calculation reversed.
Worked example
Start with 2 L. Multiply by 4.22675284 to get 8.453506 cup.
2 L × 4.22675284 = 8.453506 cup
The converter above does this for any value you type, in either direction.
What is a liter?
A liter is the everyday metric unit of volume, equal to the space in a 10 cm cube.
Definition: Exactly one cubic decimeter, so exactly 0.001 cubic meter. Accepted for use with SI but not an SI unit itself.
Where it is used: Fuel, beverages, engine displacement, and recipe volumes across the metric world.
What is a cup?
A US customary cup is the standard cooking volume measure in American recipes.
Definition: Exactly one sixteenth of a US liquid gallon, so exactly 236.5882365 milliliters.
Where it is used: American recipes and baking, where dry and liquid ingredients alike are measured by cup.
Worth knowing: Nutrition labels use the US *legal* cup of exactly 240 mL, and a metric cup is 250 mL — three slightly different cups are in circulation.
Liters vs Cups
The liter is a metric unit while the cup is a US customary unit. That is why the factor between them is not a round number: the two systems were defined independently and only later tied together by exact agreement.
Frequently asked questions
How many cups are in a liter?
One liter equals 4.22675284 cups.
What is the formula to convert liters to cups?
Multiply the number of liters by 4.22675284. To reverse it, divide by 4.22675284 instead.
How do I convert cups back to liters?
Divide by 4.22675284, which is the same as multiplying by 0.236588236.
How many cups are in 10 liters?
10 L works out to 42.267528 cup.
Is there anything to watch out for with cups?
Nutrition labels use the US *legal* cup of exactly 240 mL, and a metric cup is 250 mL — three slightly different cups are in circulation.
How is the liter defined?
Exactly one cubic decimeter, so exactly 0.001 cubic meter. Accepted for use with SI but not an SI unit itself.