Convert US cups to Cup (US)
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 US cup = 1 Cup (US)
Cup (US) = US cups × 1.000001
Convert any amount
US cups to Cup (US) table
| US cups | Cup (US) |
|---|---|
| 0.25 US cups | 0.25 Cup (US) |
| 0.5 US cups | 0.5 Cup (US) |
| 1 US cup | 1 Cup (US) |
| 2 US cups | 2 Cup (US) |
| 3 US cups | 3 Cup (US) |
| 4 US cups | 4 Cup (US) |
| 5 US cups | 5 Cup (US) |
| 10 US cups | 10 Cup (US) |
| 20 US cups | 20 Cup (US) |
| 25 US cups | 25 Cup (US) |
| 50 US cups | 50 Cup (US) |
| 100 US cups | 100 Cup (US) |
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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.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 Cup (US) are in a US cup?
1 US cup = 1 Cup (US). Multiply the number of US cups by 1.000001 to get Cup (US).
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 US cups to Cup (US). UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/us-cup-to-cup-us
Report an incorrect value or source
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