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How Many Cups in a Gallon?
16cups
a gallon = 16 cups = 128 fl oz = 3.8 liters
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| What | Amount |
|---|---|
| Cups | 16 |
| Fluid ounces | 128 fl oz |
| Pints | 8 |
| Quarts | 4 |
| Liters | 3.8 L |
The US ladder: 1 gallon = 4 quarts = 8 pints = 16 cups = 128 fl oz. Each step down halves (gallon → half-gallon → quart → pint → cup).
UK/imperial pints (20 fl oz) and Australian metric cups (250 ml) differ — these figures are US customary, which is what US recipes mean.
More conversions
Cups in a pintCups in a quartCups in a half gallonCups in 32 ozOunces in a cup⚖️Recipe Scaler🔄Cooking Converter🌾Cups ↔ Grams
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