Volume Converter
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Volume Converter Guide
Convert volume and capacity between metric and US customary units — great for cooking, fuel, and science. Enter a value, choose the units, and the result updates instantly.
1 US gallon = 3.78541 L · 1 gallon = 4 quarts · 1 cup = 8 fl oz · 1 tablespoon = 3 teaspoons · 1 liter = 1000 mL.
How Do I Convert Liters to Gallons?
Each unit is defined against the liter. To convert liters to US gallons, divide by 3.78541; to go the other way, multiply. For example, 10 L ÷ 3.78541 = 2.64 gallons.
Quick Reference Table
| From | To | Multiply by |
|---|---|---|
| Gallons (US) | Liters | 3.78541 |
| Liters | Gallons (US) | 0.264172 |
| Cups (US) | Milliliters | 236.588 |
| Fluid ounces | Milliliters | 29.5735 |
Note: these are US customary units. Related: Weight Converter, Temperature Converter, and Brine Calculator.
Frequently Asked Questions
How do I convert liters to gallons?
Divide the liters by 3.78541 for US gallons.
How many cups are in a liter?
About 4.23 US cups.
How many fluid ounces are in a cup?
Eight US fluid ounces.
How many quarts are in a gallon?
Exactly four.
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