Convert volume units — liters, gallons, cups, milliliters, cubic meters, pints, quarts.
| Unit | Name | Value |
|---|---|---|
| mL | Milliliter | 1000 |
| m³ | Cubic Meter | 0.001 |
| gal(US) | US Gallon | 0.26417218 |
| gal(UK) | UK Gallon | 0.21996925 |
| qt | US Quart | 1.0566881 |
| pt | US Pint | 2.1133785 |
| cup | US Cup | 4.2267571 |
| fl oz | Fluid Ounce | 33.814057 |
Common liter values converted to milliliter — factor: 1 L = 1000 mL
| Liter (L) | Milliliter (mL) | Context |
|---|---|---|
| 0.01 L | 10 mL | Tablespoon |
| 0.05 L | 50 mL | Shot glass |
| 0.1 L | 100 mL | One cup |
| 0.25 L | 250 mL | One cup |
| 0.5 L | 500 mL | Water bottle |
| 0.75 L | 750 mL | Wine bottle |
| 1 L | 1,000 mL | Liter bottle |
| 2 L | 2,000 mL | Soda bottle |
| 3.785 L | 3,785 mL | US gallon |
| 5 L | 5,000 mL | Small jerrycan |
| 10 L | 1e+04 mL | Large container |
| 20 L | 2e+04 mL | Jerrycan |
| 50 L | 5e+04 mL | Keg |
| 100 L | 1e+05 mL | Keg |
| 200 L | 2e+05 mL | Oil drum |
Converting liter to milliliter comes up frequently in cooking, chemistry, medicine, and engineering. A recipe written in metric units may need to be adapted for a kitchen using milliliter, or a laboratory protocol may specify volumes in liter that need to be measured with equipment calibrated in milliliter.
In everyday use, knowing that 5 L = 5000 mL and 10 L = 1e+04 mL covers most common situations. For bulk calculations, 100 L = 1e+05 mL is a useful anchor. The reverse conversion — milliliter back to liter — uses the factor 0.001, so 1 mL = 0.001 L.
All conversions use the internationally recognized factor of exactly 1 L = 1000 mL. Calculations are performed in IEEE 754 double-precision floating point, giving accuracy to at least 8 significant figures — more than sufficient for any practical application.
Formula: Milliliter = Liter × 1000
Multiply any liter value by 1000 to get milliliter. One liter equals 1000 mL.
Reverse: Liter = Milliliter × 0.001
Liters × 1000 = milliliters. Shift decimal 3 places right: 1.5 L → 1500 mL.
0.25 L = 250 mL (metric cup), 0.5 L = 500 mL (water bottle), 0.75 L = 750 mL (wine bottle).
mL ÷ 1000 = L. Move decimal left 3 places.
Measures fermentation batches, keg volumes (50 L), and canning runs in liters for recipe consistency.
Specifies fuel tank capacity (40-70 L) and engine coolant volumes in liters.
Calibrates volumetric flasks, graduated cylinders, and bulk reagent purchases in liters.
Estimates pool capacity in liters to calculate pump sizing and chemical dosing.
Designs drip and sprinkler systems with flow rates in liters per hour per emitter.
Prepares bulk IV solutions, disinfectants, and liquid medications in liter batches.
The liter was introduced by the French metric system in 1793, defined as the volume of one kilogram of pure water at 4°C. The word derives from the older French unit litron, from Medieval Latin litra. It was redefined in 1964 as exactly 1 cubic decimeter.
France adopted the liter as part of revolutionary metric standardization, spreading across Europe with Napoleonic expansion. Today it is the standard unit for liquids in most of the world, from soda bottles to fuel pumps.
Interesting fact: A liter of water at 4°C weighs almost exactly 1 kilogram, which is why the kilogram was originally defined through it.
The milliliter is one-thousandth of a liter, in use since the metric system was codified in France in 1795. The milli- prefix (from Latin mille, thousand) was standardized as part of the original SI prefix system.
Milliliters are the workhorse of medicine and cooking: syringes, dropper bottles, and nutritional labels all rely on mL for precise small-volume measurement. A standard US teaspoon is approximately 4.929 mL.
Interesting fact: The milliliter is numerically identical to the cubic centimeter (cm³), so 1 mL = 1 cm³ exactly. This equivalence is widely used in medicine, where a 5 cc syringe holds exactly 5 mL.