Gallon (gal)
The United States liquid gallon (symbol: gal) is a standard unit of volume used for liquids in the US and select regions. It is defined as exactly 231 cubic inches, which equals precisely 3.785411784 liters or approximately 0.0037854 cubic meters. Derived from the historical English wine gallon codified under Queen Anne in 1707, this standard was officially adopted by the US Treasury in 1836 and remains a primary unit for liquid trade.
Metric
- Cubic kilometer (km³)3.79×10⁻¹²
- Cubic meter (m³)3.79×10⁻³
- Hectoliter (hl)0.04
- Decaliter0.38
- Cubic decimeter (dm³)3.79
- Litre (l)3.79
- Deciliter (dl)37.85
- Centiliter (cl)378.54
- Cubic centimeter (cm³)3,785.41
- Milliliter (ml)3,785.41
- Cubic millimeter (mm³)3,785,409.67
- Microliter (µl)3,785,409.67
British imperial liquid/dry
- Barrel0.02
- Bushel (bu)0.1
- Peck (pk)0.42
- Gallon (gal)0.83
- Quart (qt)3.33
- Pint (pt)6.66
- Fluid ounce (oz)133.23
U.S. liquid measure
- Acre foot3.07×10⁻⁶
- Cubic yard (yd³)4.95×10⁻³
- Barrel0.02
- Cubic foot (ft³)0.13
- Gallon (gal)1
- Quart (qt)4
- Pint (pt)8
- Gill32
- Fluid ounce (oz)128
- Cubic inch (in³)231
- Fluid dram1,024
- Minim61,439.96
U.S. dry measure
- Barrel0.03
- Bushel (bu)0.11
- Peck (pk)0.43
- Gallon (gal)0.86
- Quart (qt)3.44
- Pint (pt)6.87
- Gill27.5
- Board foot (FBM)1.6
Cooking (U.S.)
- Cup16
- Tablespoon256
- Teaspoon768
Cooking (metric)
- Tablespoon252.36
- Teaspoon757.08
- Spice measure3,785.41