Volume Converter
Convert milliliters, liters, cubic meters, cubic centimeters, cubic inches, cubic feet, US gallons, UK gallons, fluid ounces and cups. Distinguishes US and UK gallons — essential for cooking, shipping and chemistry.
Volume conversion
Volume Convert
All units overview
All Units Overview
Volume Converter Guide
Metric / Imperial / Cooking
The volume (capacity) converter covers 13 units across metric, imperial and cooking systems for kitchen recipes, liquid-container measurement, shipping, chemistry, import/export and beverage/cosmetics labeling. Metric is based on the liter, imperial distinguishes US and UK gallons (which differ significantly), and the cooking “cup” is included. Enter any volume to instantly convert all units, helping you switch between recipes, container labels and measurement systems in different countries.
Volume converter guide
Volume (capacity) conversion is common in cooking, container measurement, shipping and chemistry. This tool covers 13 metric, imperial and cooking units, clearly distinguishing US and UK gallons.
Metric: liters and cubic meters
1 liter = 1000 mL = 1 cubic decimeter, 1 m³ = 1000 L, 1 cm³ = 1 mL — the international standard capacity units.
Imperial: US vs UK gallons
1 US gallon ≈ 3.785 L, 1 UK gallon ≈ 4.546 L — about 20% apart. Always check which applies when refueling or buying imported liquids. 1 US fl oz ≈ 29.57 mL.
Cooking: the cup
1 cup ≈ 240 mL (US standard), a rough volume measure in Western cooking and baking, with ±10 mL variation across recipes.
FAQ
QWhat is the difference between US and UK gallons?
1 US gal ≈ 3.785 L; 1 UK gal ≈ 4.546 L — the UK gallon is about 20% larger.
QHow many mL in a liter?
1 liter = 1000 mL = 1000 cm³.
QHow many liters in a cubic meter?
1 m³ = 1000 L.
QHow many mL in a cup?
US standard 1 cup ≈ 240 mL, with ±10 mL variation between recipes.
QHow many mL in a fluid ounce?
US fl oz ≈ 29.57 mL; UK fl oz ≈ 28.41 mL. This tool defaults to US.