🧪 Volume Converter
Convert liters, gallons, cups, fluid ounces, milliliters, tablespoons, teaspoons, and more.
Enter a value above to see the result
Common Volume Conversions
| Input | Unit | Result | Unit |
|---|---|---|---|
| 1 | Gallon (US) | 3.7854118 | Liter |
| 1 | Liter | 33.814023 | Fluid Ounce (US) |
| 1 | Cup (US) | 236.58824 | Milliliter |
| 1 | Tablespoon | 3 | Teaspoon |
| 2 | Pint (US) | 0.94635295 | Liter |
| 16 | Fluid Ounce (US) | 473.17647 | Milliliter |
About Volume Conversions
Volume measures the three-dimensional space that a substance occupies. In cooking and food preparation it is the most commonly used measurement type — recipes call for cups of flour, tablespoons of oil, and milliliters of extract. Understanding how these units relate to each other is a practical skill that comes up constantly in the kitchen.
The metric system uses liters (L) and milliliters (mL) as its primary volume units. The US customary system uses a hierarchical set of units: 1 gallon = 4 quarts = 8 pints = 16 cups = 128 fluid ounces. Each step in this chain divides by 2, which makes mental math manageable once you know the key relationships.
One important distinction: a fluid ounce is a unit of volume (approximately 29.57 mL), while a regular avoirdupois ounce is a unit of weight (approximately 28.35 grams). For water, these are numerically close because water has a density near 1 g/mL. For denser or lighter liquids — oil, honey, alcohol — the volume and weight in ounces will differ noticeably.
Frequently Asked Questions
How many cups are in a gallon?
There are exactly 16 US cups in one US gallon. The hierarchy is: 1 gallon = 4 quarts = 8 pints = 16 cups = 256 tablespoons = 768 teaspoons.
How many milliliters are in a cup?
One US cup equals approximately 236.588 milliliters. In cooking, 240 mL is often used as a rounded approximation, which is close enough for most recipes.
How many tablespoons are in a cup?
There are exactly 16 tablespoons in one US cup, or 48 teaspoons. Knowing this is useful when scaling recipes up or down — for example, 1/4 cup equals 4 tablespoons.
What is the difference between a fluid ounce and a regular ounce?
A fluid ounce (fl oz) measures volume — approximately 29.57 mL in the US. A regular (avoirdupois) ounce measures weight — approximately 28.35 grams. They are different types of measurement and cannot be directly compared except for specific substances like water.
How many liters are in a gallon?
One US gallon equals approximately 3.785 liters. The UK imperial gallon is different: it equals approximately 4.546 liters. When following international recipes, it is worth checking which gallon is meant.
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All conversion results are provided for general informational purposes only. Our formulas use internationally recognized conversion factors; however, rounding may affect precision. Do not rely on these results for professional, medical, legal, or engineering decisions without independent verification. Read our full disclaimer.