Kilograms to Gallons Conversion Calculator
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How to Convert Kilograms to Gallons
Since kilograms are a unit of mass and gallons are a unit of volume, which are different physical quantities, we need to know one more physical quantity of the ingredient or substance to convert between them. In this case, we need to account for the density of the substance whenever we do a conversion.
Therefore, to convert between kilograms and gallons of an ingredient or substance, we must either multiply or divide by its density, depending on which direction we are performing the conversion.
Kilograms to Gallons Formula
To convert a measurement in kilograms to gallons, divide the weight by the density of the ingredient or material. Note that in order for this to work, the density must be in kilograms per gallon (kg/gal).
If the density is given in grams per milliliter (g/mL), then first multiply the density by 3.7854 to convert to kg/gal.
For a density given in g/mL, you can use this simple formula to convert:
Thus, the volume in gallons is equal to the weight in kilograms divided by 3.7854 times the density (in g/mL) of the ingredient, substance, or material.
When to Convert Kilograms to Gallons
Kilograms and gallons are both commonly used to measure cooking ingredients.
For cooking applications, most chefs suggest measuring dry ingredients by weight rather than volume to improve accuracy in the measurements. The density of dry ingredients can vary for a variety of reasons, such as compaction and clumping.
The best way to ensure an accurate conversion is to use a scale. When a scale is not available, a calculator like the one above is a good way to estimate the weight to volume conversion.
Another useful application of weight and volume conversions is chemistry. When performing chemical reactions by combining separate chemicals to produce a new chemical, one must know the exact amount of each chemical to add in order to maximize the yield of the reaction.
It is common to mix powdered chemicals with liquid, or aqueous, chemicals, and this is where it becomes very useful to convert between weights and volumes.
A third application of weight and volume conversions is when shipping freight when calculating the volumetric weight for cargo and packages. Trucks, ships, and airplanes are limited in the amount of weight or volume they can transport, so if one of those quantities is known, but the limitation is on the other, then it becomes necessary to convert between the two so as not to overload the shipping vehicle.
Keep reading to learn more about each unit of measure.
What is a Kilogram?
One kilogram is equal to 1,000 grams, 2.204623 pounds, or 1/1,000 of a metric ton.
The formal definition of the kilogram changed in 2019. One kilogram was previously equal to the mass of the platinum-iridium bar, known as the International Prototype of the Kilogram, which was stored in Sèvres, France.
The 2019 SI brochure now defines the kilogram using the Planck constant, and it is defined using the meter and second. It is equal to the mass of 1,000 cubic centimeters of water.
The kilogram, or kilogramme, is the SI base unit for mass and is also a multiple of the gram. In the metric system, "kilo" is the prefix for thousands, or 103. Kilograms can be abbreviated as kg; for example, 1 kilogram can be written as 1 kg.
A kilogram is frequently referred to as a unit of weight. While technically, a kilogram is a measure of mass, and weight is actually a measure of force, the two are equivalent as long as we are performing our calculations on Earth.
For example, an object with a mass of 1 kilogram weighs 1 kilogram on Earth, but only weighs one-sixth of that on the moon, yet still has the same mass.
Learn more about kilograms.
What is a Gallon?
The US liquid gallon is a unit of fluid volume equal to four quarts, eight pints, or sixteen cups. The US liquid gallon should not be confused with the US dry gallon or the imperial gallon, which are different units of measure.
The gallon is a US customary unit of volume. Gallons can be abbreviated as gal; for example, 1 gallon can be written as 1 gal.
Learn more about gallons.
Kilogram to Gallon Conversion Table
|Weight in Kilograms:||Volume in Gallons of:|
|Water||Milk||Cooking Oil||All Purpose Flour||Granulated Sugar|
|1 kg||0.264172 gal||0.256478 gal||0.300196 gal||0.49938 gal||0.3125 gal|
|2 kg||0.528344 gal||0.512955 gal||0.600391 gal||0.99876 gal||0.625 gal|
|3 kg||0.792516 gal||0.769433 gal||0.900587 gal||1.4981 gal||0.9375 gal|
|4 kg||1.0567 gal||1.0259 gal||1.2008 gal||1.9975 gal||1.25 gal|
|5 kg||1.3209 gal||1.2824 gal||1.501 gal||2.4969 gal||1.5625 gal|
|6 kg||1.585 gal||1.5389 gal||1.8012 gal||2.9963 gal||1.875 gal|
|7 kg||1.8492 gal||1.7953 gal||2.1014 gal||3.4957 gal||2.1875 gal|
|8 kg||2.1134 gal||2.0518 gal||2.4016 gal||3.995 gal||2.5 gal|
|9 kg||2.3775 gal||2.3083 gal||2.7018 gal||4.4944 gal||2.8125 gal|
|10 kg||2.6417 gal||2.5648 gal||3.002 gal||4.9938 gal||3.125 gal|
|11 kg||2.9059 gal||2.8213 gal||3.3022 gal||5.4932 gal||3.4375 gal|
|12 kg||3.1701 gal||3.0777 gal||3.6023 gal||5.9926 gal||3.75 gal|
|13 kg||3.4342 gal||3.3342 gal||3.9025 gal||6.4919 gal||4.0625 gal|
|14 kg||3.6984 gal||3.5907 gal||4.2027 gal||6.9913 gal||4.375 gal|
|15 kg||3.9626 gal||3.8472 gal||4.5029 gal||7.4907 gal||4.6875 gal|
|16 kg||4.2268 gal||4.1036 gal||4.8031 gal||7.9901 gal||5 gal|
|17 kg||4.4909 gal||4.3601 gal||5.1033 gal||8.4895 gal||5.3125 gal|
|18 kg||4.7551 gal||4.6166 gal||5.4035 gal||8.9888 gal||5.625 gal|
|19 kg||5.0193 gal||4.8731 gal||5.7037 gal||9.4882 gal||5.9375 gal|
|20 kg||5.2834 gal||5.1296 gal||6.0039 gal||9.9876 gal||6.25 gal|
|21 kg||5.5476 gal||5.386 gal||6.3041 gal||10.49 gal||6.5625 gal|
|22 kg||5.8118 gal||5.6425 gal||6.6043 gal||10.99 gal||6.875 gal|
|23 kg||6.076 gal||5.899 gal||6.9045 gal||11.49 gal||7.1875 gal|
|24 kg||6.3401 gal||6.1555 gal||7.2047 gal||11.99 gal||7.5 gal|
|25 kg||6.6043 gal||6.4119 gal||7.5049 gal||12.48 gal||7.8125 gal|
|26 kg||6.8685 gal||6.6684 gal||7.8051 gal||12.98 gal||8.125 gal|
|27 kg||7.1326 gal||6.9249 gal||8.1053 gal||13.48 gal||8.4375 gal|
|28 kg||7.3968 gal||7.1814 gal||8.4055 gal||13.98 gal||8.75 gal|
|29 kg||7.661 gal||7.4379 gal||8.7057 gal||14.48 gal||9.0625 gal|
|30 kg||7.9252 gal||7.6943 gal||9.0059 gal||14.98 gal||9.375 gal|
|31 kg||8.1893 gal||7.9508 gal||9.3061 gal||15.48 gal||9.6875 gal|
|32 kg||8.4535 gal||8.2073 gal||9.6063 gal||15.98 gal||10 gal|
|33 kg||8.7177 gal||8.4638 gal||9.9065 gal||16.48 gal||10.31 gal|
|34 kg||8.9819 gal||8.7202 gal||10.21 gal||16.98 gal||10.63 gal|
|35 kg||9.246 gal||8.9767 gal||10.51 gal||17.48 gal||10.94 gal|
|36 kg||9.5102 gal||9.2332 gal||10.81 gal||17.98 gal||11.25 gal|
|37 kg||9.7744 gal||9.4897 gal||11.11 gal||18.48 gal||11.56 gal|
|38 kg||10.04 gal||9.7462 gal||11.41 gal||18.98 gal||11.88 gal|
|39 kg||10.3 gal||10 gal||11.71 gal||19.48 gal||12.19 gal|
|40 kg||10.57 gal||10.26 gal||12.01 gal||19.98 gal||12.5 gal|
- National Institute of Standards & Technology, Metric Cooking Resources, https://www.nist.gov/pml/owm/metric-cooking-resources
- CK-12 Foundation, Introductory Chemistry (CK-12) - 12.6: Mass-Volume Stoichiometry, https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/12%3A_Stoichiometry/12.06%3A_Mass-Volume_Stoichiometry
- International Bureau of Weights and Measures, The International System of Units, 9th Edition, 2019, https://www.bipm.org/documents/20126/41483022/SI-Brochure-9-EN.pdf
- National Institute of Standards and Technology, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, Handbook 44 - 2019 Edition, https://nvlpubs.nist.gov/nistpubs/hb/2019/NIST.HB.44-2019.pdf
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