Volume Unit Converter
( mL, L, cups, pints, quarts, gallons & more )
Convert between milliliters, liters, cubic meters, teaspoons, tablespoons, fluid ounces, cups, pints, quarts, gallons, cubic inches, cubic feet and more. Enter any value, get instant results.
All volume units relative to 1 liter (L). US customary units.
| Unit Name | Symbol | Value in Liters | Common Usage |
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Understanding Volume Measurement Units
Volume measures the amount of three‑dimensional space occupied by a liquid, gas, or solid. The SI unit is the cubic meter (m³), but the liter (L) is commonly used for everyday quantities. Metric units are decimal‑based; US customary units have historical definitions.
Metric System
1 liter (L) = 1000 milliliters (mL) = 0.001 cubic meters (m³). For larger volumes, 1 m³ = 1000 L. Metric units are used worldwide in science, medicine, and most countries’ daily life.
US Customary Units
Common units include: teaspoon (tsp) ≈ 4.9289 mL, tablespoon (tbsp) = 3 tsp ≈ 14.7868 mL, fluid ounce (fl oz) = 2 tbsp ≈ 29.5735 mL, cup (c) = 8 fl oz ≈ 236.588 mL, pint (pt) = 2 cups ≈ 473.176 mL, quart (qt) = 2 pt ≈ 0.946353 L, gallon (gal) = 4 qt ≈ 3.78541 L. Cubic inches (in³) and cubic feet (ft³) are also used for larger volumes.
When You’d Use Each Unit
- mL / L / m³ – medicine, beverages, fuel, shipping containers.
- tsp / tbsp / fl oz / cups – cooking, baking, recipes.
- pints / quarts / gallons – milk, beer, paint, fuel (US).
- cubic inches / cubic feet – engine displacement, room volumes, refrigerators.
Browse all dedicated conversion pages, organized by unit.