Why Convert Liters to US Cups?
Converting between liters (L) and us cups (cup (US)) is one of the most common volume conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert L to cup (US) saves time and prevents errors.
Volume conversions between L and cup (US) 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 Liters to US Cups
To convert liters to us cups, use the following formula:
cup (US) = L × 4.226752838
Example: 1 L = 4.226752838 cup (US)
For example, 5 L = 21.13376419 cup (US), 10 L = 42.26752838 cup (US), and 100 L = 422.6752838 cup (US). Our calculator above performs this conversion instantly with full precision — no rounding errors.
Common Use Cases
- Large water bottle: 1 L = 4.226752838 cup (US)
- One US cup (recipe measurement): 0.24 L = 1.014420681 cup (US)
- Large soup pot serving: 2 L = 8.453505675 cup (US)
- Small water bottle: 0.5 L = 2.113376419 cup (US)
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 L = 4.226752838 cup (US). For quick mental math, remember this base conversion.
- Quick reference: 5 L = 21.13376419 cup (US) · 10 L = 42.26752838 cup (US) · 25 L = 105.6688209 cup (US) · 50 L = 211.3376419 cup (US) · 100 L = 422.6752838 cup (US)
- Bookmark this page: Save this converter for instant access. It works offline once loaded — no internet needed.
Liters to US Cups Conversion Table
| L | cup (US) |
|---|---|
| 0.01 L | 0.04226752838 cup (US) |
| 0.1 L | 0.4226752838 cup (US) |
| 0.5 L | 2.113376419 cup (US) |
| 1 L | 4.226752838 cup (US) |
| 2 L | 8.453505675 cup (US) |
| 5 L | 21.13376419 cup (US) |
| 10 L | 42.26752838 cup (US) |
| 20 L | 84.53505675 cup (US) |
| 50 L | 211.3376419 cup (US) |
| 100 L | 422.6752838 cup (US) |
| 500 L | 2113.376419 cup (US) |
| 1000 L | 4226.752838 cup (US) |
All values in this table are mathematically exact per NIST SP 811.