👨🍳 Cooking & Baking
US gallons to cups Converter
Convert US gallons to cups instantly with a reference conversion table.
Quick answer: To convert US gallons to cups, multiply by 16. For example, 1 US gallons = 16 cups. Use the calculator below for any value.
US gallons to cups
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Common conversions
| US gallons | cups |
|---|
Formula:
How to convert US gallons to cups
1
Enter your value
Type the number of us gallons you want to convert into the left box. The result in cups appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — cups to US gallons. Your current value carries across so you don't have to re-enter anything.
3
About US gallons and cups
US gallons and cups are common cooking measurements.
💡 Did you know?
16 cups = 1 US gallon = 3.785 litres. The US and UK gallons diverged in 1824 — the US kept the older 'wine gallon' (231 cubic inches, 3.785 L) while Britain standardised the Imperial gallon at 10 lbs of water (4.546 L), 20% larger.
📊 Common conversions at a glance
| US gallons | cups |
|---|---|
| 0.0625 | 1 |
| 0.125 | 2 |
| 0.25 | 4 |
| 0.5 | 8 |
| 0.75 | 12 |
| 1 | 16 |
Reviewed for 2026. US gallons ↔ cups conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.