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Convert between gallons, liters, cups, milliliters, and fluid ounces instantly
Gallons to Liters: L = gal × 3.78541
Liters to Gallons: gal = L × 0.264172
Cups to Milliliters: mL = cups × 236.588
Milliliters to Cups: cups = mL ÷ 236.588
Fluid Ounces to Milliliters: mL = fl oz × 29.5735
Milliliters to Fluid Ounces: fl oz = mL ÷ 29.5735
| Item | Gallons | Liters | Cups | mL |
|---|---|---|---|---|
| Teaspoon | 0.0013 gal | 0.005 L | 0.021 cup | 4.9 mL |
| Tablespoon | 0.0039 gal | 0.015 L | 0.063 cup | 14.8 mL |
| Shot Glass | 0.0118 gal | 0.044 L | 0.188 cup | 44.4 mL |
| Cup (US) | 0.0625 gal | 0.237 L | 1.000 cup | 236.6 mL |
| Pint (US) | 0.1250 gal | 0.473 L | 2.000 cup | 473.2 mL |
| Quart (US) | 0.2500 gal | 0.946 L | 4.000 cup | 946.4 mL |
| Half Gallon | 0.5000 gal | 1.893 L | 8.000 cup | 1893.0 mL |
| Gallon (US) | 1.0000 gal | 3.785 L | 16.000 cup | 3785.0 mL |
| 2-Liter Soda Bottle | 0.5280 gal | 2.000 L | 8.453 cup | 2000.0 mL |
| 5-Gallon Water Jug | 5.0000 gal | 18.930 L | 80.000 cup | 18930.0 mL |
Gallons: A US customary unit of volume primarily used in the United States for measuring liquids, especially gasoline and milk. One US gallon equals approximately 3.785 liters. Note that the UK imperial gallon is different and larger.
Liters and Milliliters: Metric units used worldwide. One liter equals 1000 milliliters. Liters are commonly used for beverages, fuel, and other liquids in most countries. The metric system provides easy conversions with its base-10 structure.
Cups and Fluid Ounces: US customary units commonly used in cooking and recipes. One US cup equals 8 fluid ounces or approximately 237 milliliters. These measurements are standard in American cookbooks and recipes.
One US gallon equals approximately 3.785 liters. To convert gallons to liters, multiply by 3.785. For example, 5 gallons = 18.925 liters. Note that UK gallons are different (1 UK gallon = 4.546 liters).
One liter equals approximately 4.227 US cups. To convert liters to cups, multiply by 4.227. For example, 2 liters = 8.454 cups. This is useful when converting between metric and US recipes.
Fluid ounces measure volume (space occupied by liquids), while ounces measure weight (mass). They are not directly interchangeable. One fluid ounce of water weighs approximately one ounce, but this varies with different liquids based on their density.
For cooking, remember these key conversions: 1 cup = 237 mL, 1 tablespoon = 15 mL, 1 teaspoon = 5 mL, and 1 fluid ounce = 30 mL. For precise baking, use a kitchen scale and measure by weight when possible, as volume measurements can vary.