Volume Converter - Gallons, Liters, Milliliters, Fluid Ounces, Cups
Convert liquid volume and kitchen capacity across Gallons (US/UK), Liters, Milliliters, Fluid Ounces, Cups, Tablespoons, and Teaspoons with instant results.
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⚙️ Configuration & Inputs
📊 Results & Analysis
Primary Liquid Equivalent
3.785 Liters
128 Fluid Ounces (US)
| US Liquid Gallons | 1.000 gal |
| Liters (L) | 3.785 L |
| Milliliters (mL) | 3,785.4 mL |
| US Fluid Ounces (fl oz) | 128.0 fl oz |
| US Measuring Cups | 16.0 Cups |
| Tablespoons (tbsp) | 256 tbsp |
| UK Imperial Gallons | 0.833 imp gal |
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Liquid Volume Conversion Reference
- 1 US Gallon = 3.78541 Liters = 128 US Fluid Ounces = 16 US Cups = 4 Quarts
- 1 Imperial (UK) Gallon = 4.54609 Liters = 160 UK Fluid Ounces (~20% larger than US gallon)
- 1 US Cup = 8 Fluid Ounces = 16 Tablespoons = 48 Teaspoons = 236.588 mL
- 1 Liter (L) = 1,000 Milliliters (mL) = 33.814 US Fluid Ounces
Frequently Asked Questions
In 1824, Great Britain adopted the Imperial gallon based on the volume of 10 pounds of distilled water at 62°F. The United States kept the older British Queen Anne wine gallon (231 cubic inches).
A fluid ounce (fl oz) measures volume (liquid capacity). An avoirdupois ounce (oz) measures mass/weight. 1 fluid ounce of pure water weighs approximately 1.043 dry ounces.