Volume Converter
Enter a volume below to convert between metric, US customary, and imperial liquid units.
Convert Volume
Enter a value and select the units to convert between liters, gallons (us), and milliliters.
You can change the units using the dropdowns above or click on a unit button.
Common Volume Reference Points
Here are some common volume values in Liter (L), Gallon (US Liquid) (gal (US)), and Milliliter (mL). Click any preset value or arrow to load it into the converter.
| Description | Liter (L) | Gallon (US Liquid) (gal (US)) | Milliliter (mL) |
|---|---|---|---|
| 1 US cup (~0.2366 L) | 0.23659 | 0.0625 | 236.588 |
| Half liter bottle (500 mL) | 0.5 | 0.13209 | 500 |
| 1 liter metric benchmark | 1 | 0.26417 | 1,000 |
| 2-liter beverage bottle | 2 | 0.52834 | 2,000 |
| 1 US gallon (3.7854 L) | 3.78541 | 1 | 3,785.412 |
| 10 liters container | 10 | 2.64172 | 10,000 |
| 50 liters fuel tank | 50 | 13.2086 | 50,000 |
Volume Conversion Formulas
Use the following formulas to convert between liters, gallons (us), and milliliters.
Note the distinction between US Liquid Gallons (3.78541 L) and UK Imperial Gallons (4.54609 L).
More Liter & Gallon Conversions
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Frequently Asked Questions
All Volume Conversion Calculators (67)
Select any dedicated volume pair below for worked examples and printable tables
Category Conversion Matrix
Simultaneous comparison of 51 units in this category
Volume Unit Definitions & Symbols
Liter (L)
METRICMetric unit of volume equal to 1 cubic decimeter (1,000 mL).
Milliliter (mL)
METRICOne-thousandth of a liter, identical to 1 cubic centimeter (cc).
Microliter (µL)
METRICOne-millionth of a liter (1 cubic millimeter).
Nanoliter (nL)
METRICOne-billionth of a liter (10⁻⁹ L).
Picoliter (pL)
METRICOne-trillionth of a liter (10⁻¹² L).
Femtoliter (fL)
METRIC10⁻¹⁵ liters (1 µm³), used in hematology (mean corpuscular volume).
Attoliter (aL)
METRIC10⁻¹⁸ liters.
Centiliter (cL)
METRICOne-hundredth of a liter (10 mL).
Deciliter (dL)
METRICOne-tenth of a liter (100 mL).
Dekaliter (Decaliter) (daL)
METRICEqual to 10 liters.
Hectoliter (hL)
METRICEqual to 100 liters, standard in commercial brewing and agriculture.
Kiloliter (kL)
METRICEqual to 1,000 liters (1 cubic meter).
Megaliter (ML)
METRICEqual to 1,000,000 liters (1,000 m³).
Gigaliter (GL)
METRICEqual to 1,000,000,000 liters.
Cubic Meter (m³)
SISI coherent derived unit of volume equal to 1,000 liters.
Cubic Kilometer (km³)
SIEqual to 10¹² liters (1 billion cubic meters).
Cubic Decimeter (dm³)
METRICIdentical to 1 liter.
Cubic Centimeter (cc) (cm³)
METRICEqual to 1 milliliter (0.001 L).
Cubic Millimeter (mm³)
METRICEqual to 1 microliter (10⁻⁶ L).
Gallon (US Liquid) (gal (US))
US CUSTOMARYUS liquid gallon defined as exactly 231 cubic inches (3.78541 L).
Gallon (UK Imperial) (gal (UK))
IMPERIALBritish Imperial gallon defined as exactly 4.54609 liters.
Quart (US Liquid) (qt)
US CUSTOMARYEqual to 1/4 US gallon or 2 US pints (946.35 mL).
Quart (UK Imperial) (qt (UK))
IMPERIALEqual to 1/4 UK Imperial gallon (1.1365 L).
Pint (US Liquid) (pt)
US CUSTOMARYEqual to 1/2 US quart or 16 US fluid ounces (473.18 mL).
Pint (UK Imperial) (pt (UK))
IMPERIALEqual to 20 UK Imperial fluid ounces (568.26 mL).
Cup (US Customary) (cup)
US CUSTOMARYEqual to 8 US fluid ounces or 16 US tablespoons (236.59 mL).
Cup (Metric) (cup (metric))
METRICInternational metric culinary cup equal to 250 milliliters.
Cup (UK Imperial) (cup (UK))
IMPERIALHalf an Imperial pint (284.13 mL).
Fluid Ounce (US) (fl oz)
US CUSTOMARY1/128 of a US gallon (29.5735 mL).
Fluid Ounce (UK Imperial) (fl oz (UK))
IMPERIAL1/160 of a UK Imperial gallon (28.4131 mL).
Tablespoon (US) (tbsp)
US CUSTOMARY1/2 US fluid ounce or 3 US teaspoons (14.7868 mL).
Tablespoon (Metric) (tbsp (metric))
METRICStandard metric tablespoon equal to 15 milliliters.
Tablespoon (UK Imperial) (tbsp (UK))
IMPERIAL5/8 of a UK Imperial fluid ounce (17.758 mL).
Teaspoon (US) (tsp)
US CUSTOMARY1/3 of a US tablespoon (4.9289 mL).
Teaspoon (Metric) (tsp (metric))
METRICStandard metric teaspoon equal to 5 milliliters.
Teaspoon (UK Imperial) (tsp (UK))
IMPERIAL1/3 of a UK Imperial tablespoon (5.9194 mL).
Cubic Foot (ft³)
IMPERIALEqual to 1,728 cubic inches or 28.3168 liters.
Cubic Inch (in³)
IMPERIALEqual to 16.387064 milliliters.
Cubic Yard (yd³)
IMPERIALEqual to 27 cubic feet or 764.555 liters.
Hundred Cubic Feet (CCF / HCF) (CCF)
US CUSTOMARYUtility billing and shipping register ton unit equal to 100 cubic feet (748.05 US gal).
Acre-foot (ac·ft)
US CUSTOMARYWater resource unit equal to 1 acre covered 1 foot deep (325,851.4 US gallons).
Barrel (Petroleum Oil) (bbl)
OTHERStandard crude oil barrel equal to 42 US gallons (158.987 liters).
Barrel (US Liquid) (bbl (US))
US CUSTOMARYStandard US non-beer liquid barrel equal to 31.5 US gallons (119.24 liters).
Drop (Metric / Medical) (gtt)
OTHERStandardized medical & pharmacy drop equal to 0.05 milliliters (20 drops per mL).
Fluid Dram (US) (fl dr)
US CUSTOMARYApothecary fluid unit equal to 1/8 of a US fluid ounce (3.6967 mL).
Gill (US) (gi (US))
US CUSTOMARYEqual to 4 US fluid ounces or 1/2 US cup (118.294 mL).
Gill (UK Imperial) (gi (UK))
IMPERIALEqual to 5 UK Imperial fluid ounces (142.065 mL).
Bushel (US Dry Level) (bu)
US CUSTOMARYUS dry agricultural volume equal to 2,150.42 cubic inches (35.239 liters).
Quart (US Dry) (dry qt)
US CUSTOMARY1/32 of a US bushel (1.1012 liters).
Pint (US Dry) (dry pt)
US CUSTOMARY1/64 of a US bushel (550.61 mL).
Board Foot (Lumber) (FBM)
US CUSTOMARYLumber volume equal to 1 ft × 1 ft × 1 in (144 cubic inches = 2.3597 L).
References
- [1]NIST OWM StandardNIST OWM (SI Units — Volume)·Volume & Liquid Metrology Standards — Liter (L), Milliliter (mL) & Microliter (µL)
- [2]NIST HB 44 ReferenceNIST HB 44 (Liquid & Dry Capacity Tables)·International Reference Specification for Volume, Capacity & Cooking
- [3]NIST SP 811 TablesNIST SP 811 (NIST SP 811 App. B.9)·Official Volume & Liquid Conversion Factors & Rounding Rules