Volume Conversion: Litres, Gallons, Fluid Ounces and More

Volume conversions are essential for cooking, chemistry, and understanding liquid product sizes across countries. The metric and imperial systems use completely different base units, making conversion tables essential.

Metric Volume Units

• 1 litre (L) = 1,000 millilitres (mL)
• 1 centilitre (cL) = 10 mL
• 1 decilitre (dL) = 100 mL
• 1 cubic metre = 1,000 litres

US Customary Volume Units

• 1 US gallon = 3.785 litres
• 1 US quart = 0.946 litres
• 1 US pint = 0.473 litres
• 1 US cup = 236.6 mL
• 1 US fluid ounce = 29.57 mL
• 1 US tablespoon = 14.79 mL
• 1 US teaspoon = 4.93 mL

UK Imperial Units

• 1 UK gallon = 4.546 litres (larger than US gallon!)
• 1 UK pint = 568 mL (larger than US pint)
• 1 UK fluid ounce = 28.41 mL

Cooking Conversions

• 1 cup = 240 mL (US) — used in most Indian English recipes that cite cups
• 1 tablespoon = 15 mL
• 1 teaspoon = 5 mL
• 1 litre ≈ 4.2 US cups

Common Product Sizes

• Standard water bottle: 500 mL or 1 litre
• Wine bottle: 750 mL
• Beer can: 330 mL or 500 mL
• Engine oil: sold in litres (India) or quarts (USA)

Convert volumes with our Volume Converter tool.