Convert Cup (US) to litres
Americas · Cooking Measures · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 Cup (US) = 0.236588 litres
litres = Cup (US) × 0.236588
Convert any amount
Cup (US) to litres table
| Cup (US) | litres |
|---|---|
| 0.25 Cup (US) | 0.059147 litres |
| 0.5 Cup (US) | 0.118294 litres |
| 1 Cup (US) | 0.236588 litres |
| 2 Cup (US) | 0.473176 litres |
| 3 Cup (US) | 0.709764 litres |
| 4 Cup (US) | 0.946352 litres |
| 5 Cup (US) | 1.18294 litres |
| 10 Cup (US) | 2.36588 litres |
| 20 Cup (US) | 4.73176 litres |
| 25 Cup (US) | 5.9147 litres |
| 50 Cup (US) | 11.8294 litres |
| 100 Cup (US) | 23.6588 litres |
About the Cup (US)
US cup = 236.6ml = 8 fl oz.
- Symbol
- cup US
- Value in SI
- 1 Cup (US) = 0.236588 litre
- Typical use
- cooking
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI litre. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other cooking measures units in the Americas family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
Related conversions
Frequently asked
How many litres are in a Cup (US)?
1 Cup (US) = 0.236588 litres. Multiply the number of Cup (US) by 0.236588 to get litres.
What is Cup (US) used for?
US cup = 236.6ml = 8 fl oz. It is classified as active and dates from the modern period.
Is the Cup (US) value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI litre, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Cup (US) conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert Cup (US) to litres. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/cup-us-to-liter
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