Why Convert US Cups to Liters?
Converting between us cups (cup (US)) and liters (L) is one of the most common volume conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert cup (US) to L saves time and prevents errors.
Volume conversions between cup (US) and L are vital for cooking, travel, and automotive contexts. The TSA 3-1-1 rule limits carry-on liquids to 100 mL (3.4 fl oz) containers — a conversion every international traveler needs. In cooking, US recipes use cups and tablespoons while metric recipes use milliliters. For automotive purposes, fuel tank capacity is measured in liters in most countries but gallons in the US.
How to Convert US Cups to Liters
To convert us cups to liters, use the following formula:
L = cup (US) × 0.2365882365
Example: 1 cup (US) = 0.2365882365 L
For example, 5 cup (US) = 1.182941183 L, 10 cup (US) = 2.365882365 L, and 100 cup (US) = 23.65882365 L. Our calculator above performs this conversion instantly with full precision — no rounding errors.
Common Use Cases
- One US cup (standard recipe measure): 1 cup (US) = 0.2365882365 L
- Rice for 2–3 servings: 2 cup (US) = 0.473176473 L
- Soup broth for a recipe (4 cups = 1 quart): 4 cup (US) = 0.946352946 L
- Daily recommended water intake (≈8 cups): 8 cup (US) = 1.892705892 L
Common Mistakes to Avoid
- US vs UK gallons: A US gallon (3.785 L) is smaller than a UK gallon (4.546 L). Always specify which system you're using.
- Fluid ounces vary: US fluid ounce ≠ UK fluid ounce. This converter uses US measures unless specified as UK.
- Cup measurement inconsistency: A US cup = 236.6 mL, metric cup = 250 mL, Japanese cup = 200 mL. Always verify which standard your recipe uses.
Pro Tips
- Memorize the factor: 1 cup (US) = 0.2365882365 L. For quick mental math, remember this base conversion.
- Quick reference: 5 cup (US) = 1.182941183 L · 10 cup (US) = 2.365882365 L · 25 cup (US) = 5.914705912 L · 50 cup (US) = 11.82941182 L · 100 cup (US) = 23.65882365 L
- Bookmark this page: Save this converter for instant access. It works offline once loaded — no internet needed.
US Cups to Liters Conversion Table
| cup (US) | L |
|---|---|
| 0.01 cup (US) | 0.002365882365 L |
| 0.1 cup (US) | 0.02365882365 L |
| 0.5 cup (US) | 0.1182941182 L |
| 1 cup (US) | 0.2365882365 L |
| 2 cup (US) | 0.473176473 L |
| 5 cup (US) | 1.182941183 L |
| 10 cup (US) | 2.365882365 L |
| 20 cup (US) | 4.73176473 L |
| 50 cup (US) | 11.82941182 L |
| 100 cup (US) | 23.65882365 L |
| 500 cup (US) | 118.2941182 L |
| 1000 cup (US) | 236.5882365 L |
All values in this table are mathematically exact per NIST SP 811.