Convert Cup (US) to US gallons
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) = 0.0624999 US gallons
US gallons = Cup (US) × 0.062499938
Convert any amount
Cup (US) to US gallons table
| Cup (US) | US gallons |
|---|---|
| 0.25 Cup (US) | 0.015625 US gallons |
| 0.5 Cup (US) | 0.03125 US gallons |
| 1 Cup (US) | 0.0624999 US gallons |
| 2 Cup (US) | 0.125 US gallons |
| 3 Cup (US) | 0.1875 US gallons |
| 4 Cup (US) | 0.25 US gallons |
| 5 Cup (US) | 0.3125 US gallons |
| 10 Cup (US) | 0.624999 US gallons |
| 20 Cup (US) | 1.25 US gallons |
| 25 Cup (US) | 1.5625 US gallons |
| 50 Cup (US) | 3.125 US gallons |
| 100 Cup (US) | 6.24999 US gallons |
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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.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 US gallons are in a Cup (US)?
1 Cup (US) = 0.0624999 US gallons. Multiply the number of Cup (US) by 0.062499938 to get US gallons.
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 US gallons. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/cup-us-to-us-gallon
Report an incorrect value or source
Regional units vary by district and by century. If this figure, its variant list or its citation is wrong where you are, tell us — the report carries the page context automatically.