Volume Converter

Convert volume units precisely – for cooking, engineering and international comparison

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l
m³

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Result in Cubic Meter (m³)

0.001m³

0.001

1 l equals 0.001 m³.

In all units

Tap a unit to make it the target.

For comparison

Your value is about 1.33 × Wine bottle (0.75 l).

  • Teaspoon (5 ml)0.000005 m³
  • Drinks can (0.33 l)0.00033 m³
  • Wine bottle (0.75 l)0.00075 m³
  • Your value0.001 m³
  • Olympic swimming pool (50 × 25 × 2 m)2,500 m³

Bars on a logarithmic scale, values rounded.

How this was calculated
Conversion factor: 1 l = 0.001 m³
1 l × 0.001 = 0.001 m³

Both units are converted via the base unit l: 1 l = 1 l and 1 m³ = 1,000 l.

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Volume units: metric and imperial

Liters, cubic meters, gallons and pints at a glance

The SI unit of volume is the cubic metre (m³). In everyday life, the liter (l) is the more practical unit – it is not an official SI base unit, but it is accepted by the International Bureau of Weights and Measures (BIPM) and defined as 1 liter = 1 cubic decimeter = 0.001 m³. Water has a density of almost exactly 1 kg/l at 4°C, which directly links liters and kilograms for water. This elegant connection was deliberately chosen when the metric system was designed.

In English-speaking countries, gallons and pints (US measurements) are ubiquitous. Fuel in the US is billed in gallons (1 US gallon = 3.785 l), and recipes use cups and pints. Important: there are US and British versions of these units that differ. The British (imperial) gallon is larger: 4.546 l compared to 3.785 l (US). Accordingly, the British pint (568 ml) is larger than the US pint (473 ml). A pint of beer in a British pub is therefore about 20% more than a pint in an American bar. Our converter uses the US variants.

In industry and engineering, cubic meters and milliliters are essential: natural gas is measured in m³ or kWh (1 m³ of natural gas ≈ 10 kWh calorific value), and pharmaceutical dosages in ml or microliters (µl). Converting volume to mass always requires the density of the respective liquid – for water (1 kg/l at 4°C) the conversion is simple, while for oil (approx. 0.85 kg/l) or alcohol (approx. 0.79 kg/l) it varies.

In cooking and baking, conversion questions frequently arise when following international recipes. American recipes use cups, tablespoons (tbsp) and teaspoons (tsp): 1 cup = 240 ml, 1 tbsp = 15 ml, 1 tsp = 5 ml. British recipes occasionally use fluid ounces (fl oz): 1 fl oz (US) = 29.57 ml, 1 fl oz (UK) = 28.41 ml. For baking recipes where precision matters, it's best to weigh ingredients in grams rather than use volume measurements, since the density of e.g. flour can vary depending on sifting and packing.

Fuel prices illustrate why volume conversion is practically relevant: in the US, gasoline costs about $3–4 per gallon. To compare with German prices, divide by 3.785 (gallon to liter) and convert the dollar amount to euros. A US price of $3.50/gallon equals about $0.92/liter – at an exchange rate of $1.10/€ that would be about €0.84/liter, considerably cheaper than in Germany (typically €1.60–1.90/liter).

Volume units compared

Key conversion factors

1 l = 1,000 ml
Liters to milliliters
1 m³ = 1,000 l
Cubic meters to liters
1 gal = 3.785 l
US gallon to liters (fuel)
1 pt = 473 ml
US pint to milliliters
1 l water = 1 kg
Only for water at 4°C
1 m³ = 264.2 gal
Cubic meters to US gallons

Calculation examples

Convert 50 liters to cubic meters
Formula
l ÷ 1,000 = m³
Value
50 l
Divisor
1,000
Result
0.05 m³
Convert 10 gallons to liters
Formula
gal × 3.78541 = l
Value
10 gal
Factor
3.78541
Result
37.85 l
Convert 500 ml to liters
Formula
ml ÷ 1,000 = l
Value
500 ml
Divisor
1,000
Result
0.5 l

Frequently asked questions about the volume converter

Everything about liters, m³, gallons and pints

How many liters are in a cubic meter?

1 cubic meter (m³) = 1,000 liters. A cubic meter is a cube with 1 m edge length. Conversely: 1 liter = 0.001 m³ = 1,000 milliliters. The cubic meter is the SI unit of volume and is used, for example, for water consumption and natural gas.

How many liters is a US gallon?

1 US gallon (gal) = 3.78541 liters. Note: the British gallon (imperial gallon) is larger: 1 imperial gallon = 4.54609 liters. Our converter lists both separately: “Gallon (US)” – the standard in the US for fuel, milk and other liquids – and “Gallon (UK)”. 1 US gallon of gasoline ≈ 3.785 liters.

What is a pint and how many liters is that?

1 US pint (pt) = 0.473176 liters (473.176 ml). The British pint is larger: 568.261 ml. Our converter uses the US pint. A pint of beer (US) is about 473 ml. In the UK, the pint is the traditional unit for beer: 1 UK pint ≈ 568 ml.

How do I convert liters to milliliters?

1 liter = 1,000 milliliters. Simple rules of thumb: 0.5 l = 500 ml, 0.33 l = 330 ml (standard beer can/bottle), 1.5 l = 1,500 ml. Milliliters and liters are related by a factor of 1,000, just like meters and millimeters.

How do I convert US recipe cups to milliliters?

1 US cup = 236.588 ml (≈ 240 ml as a rule of thumb). US recipes often measure ingredients in cups: 1/4 cup ≈ 60 ml, 1/2 cup ≈ 120 ml, 1 cup ≈ 240 ml, 2 cups ≈ 480 ml. Our converter doesn't include cups directly, but does include gallon and pint as related US units: 1 gallon = 16 cups = 3,785 ml.

No liability for accuracy. This calculation does not replace tax or legal advice.

Responsible: Onur Cirakoglu, founder of headon