Convert US cups to Gallon (US)
Western Europe · UK vs US Volume · 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 = 0.0625 Gallon (US)
Gallon (US) = US cups × 0.062500029
Convert any amount
US cups to Gallon (US) table
| US cups | Gallon (US) |
|---|---|
| 0.25 US cups | 0.015625 Gallon (US) |
| 0.5 US cups | 0.03125 Gallon (US) |
| 1 US cup | 0.0625 Gallon (US) |
| 2 US cups | 0.125 Gallon (US) |
| 3 US cups | 0.1875 Gallon (US) |
| 4 US cups | 0.25 Gallon (US) |
| 5 US cups | 0.3125 Gallon (US) |
| 10 US cups | 0.625 Gallon (US) |
| 20 US cups | 1.25 Gallon (US) |
| 25 US cups | 1.5625 Gallon (US) |
| 50 US cups | 3.125 Gallon (US) |
| 100 US cups | 6.25 Gallon (US) |
About the Gallon (US)
US gallon = 3.785 liters.
- Symbol
- gal US
- Value in SI
- 1 Gallon (US) = 3.78541 litre
- Typical use
- general
- 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 uk vs us volume units in the Western Europe 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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
- Gill (UK) to US cupsHistorically reconstructed
- Teaspoon (Metric) to US cupsConventional value
- Tablespoon (Metric) to US cupsConventional value
- Cup (UK/Imperial) to US cupsConventional value
- Cup (Metric) to US cupsConventional value
- Fluid Ounce (UK) to US cupsConventional value
- Gallon (UK) to US cupsConventional value
- Pint (UK) to US cupsConventional value
Related conversions
Frequently asked
How many Gallon (US) are in a US cup?
1 US cup = 0.0625 Gallon (US). Multiply the number of US cups by 0.062500029 to get Gallon (US).
What is Gallon (US) used for?
US gallon = 3.785 liters. It is classified as active and dates from the modern period.
Is the Gallon (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 Gallon (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 Gallon (US). UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/us-cup-to-gallon-us
Report an incorrect value or source
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