Volume Converter
Convert between liters, gallons, cups, milliliters, and more. Perfect for cooking, recipes, and beverages.
🥄 Common Volume Conversions
| Metric | US Customary | Example |
|---|---|---|
| 5 ml | 1 teaspoon | Vanilla extract |
| 15 ml | 1 tablespoon | Olive oil |
| 240 ml | 1 cup | Coffee mug |
| 473 ml | 1 pint (2 cups) | Beer glass |
| 1 liter | 4.227 cups | Water bottle |
| 3.785 liters | 1 gallon | Milk jug |
📚 About Volume Conversion
How Volume Conversion Works
Volume measures the amount of three-dimensional space a substance occupies. Converting between volume units requires understanding the relationship between metric units (liters, milliliters) and customary units (cups, pints, quarts, gallons). The fundamental conversion is that 1 liter equals approximately 4.227 US cups or 0.264 US gallons.
Key conversions: 1 liter = 1000 milliliters, 1 US cup = 236.588 ml, 1 US pint = 2 cups = 473 ml, 1 US quart = 2 pints = 946 ml, 1 US gallon = 4 quarts = 3.785 liters. Note that UK/Imperial measurements differ: 1 UK gallon = 4.546 liters (20% larger than a US gallon).
When to Use This Converter
- Cooking & Baking: Converting recipe measurements between metric and US/UK customary units
- Beverages: Understanding drink sizes, cocktail recipes, and bottle volumes
- Nutrition: Tracking fluid intake and portion sizes
- Automotive: Measuring fuel consumption and fluid capacities
- Science & Labs: Precise liquid measurements for experiments
- International Recipes: Following recipes from different countries with confidence
US vs UK Volume Measurements
The US customary system uses fluid ounces (29.57 ml), cups (236.59 ml), pints (473.18 ml), quarts (946.35 ml), and gallons (3.785 L). These measurements are based on the wine gallon, established in 1707.
The UK imperial system uses different volumes for the same unit names. A UK fluid ounce is 28.41 ml (slightly smaller), but a UK pint is 568.26 ml (20 fl oz, larger than the US pint), and a UK gallon is 4.546 L (significantly larger than the US gallon).
This is why when following UK recipes in the US (or vice versa), it's important to check which measurement system is being used, especially for larger quantities.
Cooking Measurement Tips
- Dry vs Liquid Cups: Use liquid measuring cups for liquids (with pour spout) and dry measuring cups for solids
- Standard Cup Size: 1 US cup = 240 ml (often rounded to 250 ml in metric recipes)
- Coffee Measurements: A standard coffee "cup" is 150 ml, not 240 ml
- Wine Bottles: Standard bottle = 750 ml (about 25 fl oz or 3.2 cups)
- Teaspoon/Tablespoon: 1 tsp = 5 ml, 1 tbsp = 15 ml (3 tsp)
Quick Conversion Tips
- For rough estimates: 1 liter ≈ 4 cups or 1 quart
- A standard soda can is 355 ml (12 fl oz)
- Most water bottles are 500 ml (16.9 fl oz) or 1 liter (33.8 fl oz)
- A standard US milk gallon is just under 4 liters (3.785 L)
- For precision baking, always use weight (grams) rather than volume when possible
- 1 ml of water weighs exactly 1 gram (at room temperature)