Volume Converter - Liters, Gallons, Cups & Cubic Meters Calculator
💧 Measurement Tool

Volume Converter

The ultimate liquid and cubic capacity tool. Convert accurately between Metric (Liters, Milliliters) and Imperial (Gallons, Quarts, Pints) for kitchen or lab use.

Volume Engine

Enter amount to convert instantly.

🫗 Volume Amount
🎯 Decimal Precision
CONVERTED RESULT
0.2642
Gallons (US)
Conversion Factor:
1 L ≈ 0.2642 gal (US)
Milliliters 1000 ml
🍶
Cups (US) 4.22 cup
🇬🇧
Pints (UK) 1.76 pt

Understanding Volume Units

Volume measures the 3D space occupied by a substance. The units differ wildly between the Metric system, US Customary units, and British Imperial units.

🌍
Metric (Liters)

The global standard. 1 Liter = 1000 Milliliters = 1 Cubic Decimeter. Water at 4°C: 1kg = 1 Liter.

🇺🇸
US Gallon

Used in the USA. 1 Gallon = 4 Quarts = 8 Pints = 128 Fluid Ounces. (Smaller than UK Gallon).

🇬🇧
Imperial Gallon

Used in the UK/Canada. 1 Gallon = 4.546 Liters. (About 20% larger than US Gallon).

Cooking Conversions Cheat Sheet

Unit Approx. Metric Equivalent
1 Teaspoon (tsp) 5 ml 1/3 tbsp
1 Tablespoon (tbsp) 15 ml 3 tsp
1 Fluid Ounce 30 ml 2 tbsp
1 Cup (US) 240 ml 8 fl oz
1 Pint 473 ml 2 cups
1 Quart 0.95 Liter 2 pints

Volume in Science & Industry

🧊

Cubic Meters (m³)

The SI unit for volume. Used for concrete, air conditioning, and shipping containers. 1 m³ = 1000 Liters.

🛢️

Barrels (Oil)

The oil industry uses the "bbl" unit. 1 Oil Barrel = 42 US Gallons or approx 159 Liters.

💉

Microliters (µL)

Used in biochemistry and medicine. 1 Milliliter = 1000 Microliters.

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Frequently Asked Questions

Are US and UK Gallons the same?
No! This is a major confusion. A US Gallon is 3.785 Liters, while a UK (Imperial) Gallon is 4.546 Liters. The UK gallon is about 20% larger.
How many milliliters in a cup?
A standard US Cup is approximately 236.6 ml, often rounded to 240 ml in cooking. A Metric Cup (used in Australia/Canada) is exactly 250 ml.
What is a cubic centimeter (cc)?
A cubic centimeter (cc or cm³) is exactly equal to 1 Milliliter (ml). The term "cc" is commonly used in medicine and engine displacement (e.g., 150cc bike).
How many tablespoons in a cup?
There are 16 US tablespoons in 1 US Cup. So, 1/4 cup = 4 tablespoons.
What does "fl oz" mean?
"Fl oz" stands for Fluid Ounce. It measures volume, not weight. 1 US Fluid Ounce = 29.57 ml. Do not confuse it with the "Ounce" used for weight (approx 28g).
Is a Liter bigger than a Quart?
Yes, slightly. 1 Liter = 1.057 US Quarts. They are very close in size, which is why they are often treated as interchangeable in rough estimates.
How do I convert liters to gallons mentally?
A rough rule of thumb: 1 Gallon is a bit less than 4 Liters (3.8L). So to get gallons, divide liters by 4.
What unit is used for swimming pools?
In the US, pools are measured in Gallons. In Metric countries, they are measured in Liters or Cubic Meters (1 m³ = 1000 Liters).
What is a "Baker's Dozen"?
This is a count, not a volume unit, meaning 13 instead of 12. However, in volume terms, bakers use strict weight/volume ratios for flour and water percentages.
Why is water density important?
Because for water, 1 Liter weighs exactly 1 Kilogram. This allows easy conversion between weight and volume for water, but not for oil or honey (which have different densities).