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Volume Converter
Convert volume between liters, gallons, cups, tablespoons and cubic units.
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How to Use This Converter
Type a value in either box and pick the units. The other box updates instantly. Use the swap button to reverse the direction.
- All 13 units are supported in both directions.
- Results update live as you type — no button to press.
- Values are formatted for readability while staying precise.
Frequently Asked Questions
Is a US gallon the same as a UK gallon?
No. A US gallon is 3.785 liters; a UK (imperial) gallon is 4.546 liters — about 20% larger.
How many cups in a liter?
About 4.23 US cups. A standard US cup is 236.6 ml.
How many tablespoons in a cup?
16 US tablespoons. One tablespoon = 14.79 ml.
How do I convert ml to liters?
Divide by 1,000. 500 ml = 0.5 liters.
Practical Example
Convert 2 US gallons to liters. Because 1 US gallon = 3.78541 liters, 2 × 3.78541 = 7.571 liters.
- The same 2 imperial (UK) gallons = 2 × 4.54609 = 9.092 liters
- 7.571 L ÷ 0.236588 = 32 US cups
- 7.571 L × 1,000 = 7,571 milliliters
What Your Results Mean
- Liters (L) — the metric unit for liquid volume; 1 m³ = 1,000 L.
- US gallon — 3.78541 L; the US standard for fuel and milk.
- UK (imperial) gallon — 4.54609 L, about 20% larger than the US gallon.
- Cups / tablespoons — US cooking units; 1 cup = 236.6 ml, 1 tbsp = 14.79 ml.
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