Volume Converter
Convert between metric and imperial volume units instantly. Liters, gallons, pints, cubic meters, fluid ounces, cups — all in one place.
0.26417205
US gallon (gal)
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How to Use the Volume Converter
Enter the volume in the Value field and select the unit you are converting from. The tool instantly shows equivalents in all supported units. The highlighted row is your source unit.
Click Reset to clear the input and start over.
Volume Units Explained
Metric units
- Milliliter (ml) — 1/1000 liter. Used for medicine, cooking, and beverages.
- Centiliter (cl) — 10 ml. Common in Europe for wine and spirits (e.g., 75 cl bottle).
- Deciliter (dl) — 100 ml. Used in Scandinavian cooking recipes.
- Liter (l) — the standard metric volume unit. 1 l = 1 dm³.
- Cubic meter (m³) — 1,000 liters. Used for gas consumption and large tanks.
US customary units
- US fl oz — 29.57 ml. Common for beverages and medicine.
- US cup — 236.6 ml (8 fl oz). Cooking and baking.
- US pint (pt) — 473.2 ml (2 cups).
- US quart (qt) — 946.4 ml (2 pints).
- US gallon (gal) — 3,785 ml (4 quarts). Fuel and large containers.
Imperial (UK) units
- UK gallon — 4,546 ml — about 20% larger than the US gallon.
Cubic units
- Cubic inch (in³) — 16.39 ml. Engine displacement and small volumes.
- Cubic foot (ft³) — 28.32 liters. Refrigerator capacity and HVAC.
Key Conversions
1 l = 1,000 ml | 1 m³ = 1,000 l | 1 US gal = 3.785 l | 1 UK gal = 4.546 l
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Worked Examples
Recipe conversion: 2 US cups to ml
2 cups × 236.588 ml = 473.18 ml ≈ 473 ml or about half a liter.
Fuel tank: 50 liters to US gallons
50 ÷ 3.785411784 = 13.21 US gallons.
Swimming pool: 2,500 m³ to liters
2,500 × 1,000 = 2,500,000 liters (2.5 million liters). An Olympic pool holds 2,500 m³.
Soda bottle: 2 liters to US pints
2 ÷ 0.473176 = 4.23 US pints.
Frequently Asked Questions
How many liters in a US gallon?
One US gallon = 3.785411784 liters. One UK (imperial) gallon = 4.54609 liters.
How many ml in a teaspoon?
One US teaspoon = 4.929 ml. One metric teaspoon = exactly 5 ml.
What is the difference between US and UK fluid ounces?
A US fluid ounce = 29.574 ml. A UK fluid ounce = 28.413 ml. They differ by about 4%.
How do I convert liters to cubic meters?
Divide by 1,000. Example: 500 liters = 500 ÷ 1,000 = 0.5 m³.