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Formula for Gallon and Pounds Conversion
How many gallon to lbs?
To convert gallons to pounds of an item, multiply gallons by density of the item
pounds = gallons × density
The density of a substance is its weight per unit of volume. For example, the density of water is 8.34 pounds per gallon.
For example, 5 gallons of water in lbs is equal to 5 * 8.34 = 41.7 lbs
How many lbs to gallons?
To convert from pounds to gallons, divide pounds by density of the item
gallons = pounds / density
For example, 100 pounds of water in gallons is equal to 100 / 8.34 = 12 gallons
Here are a few examples for 1 gallon of some common substances:
- Water: 1 gallon of water = 8.33 pounds
- Milk: 1 gallon of milk = 8.6 pounds
- Gasoline: 1 gallon of gasoline = 6.7 pounds
- Oil: 1 gallon of oil = 7.2 pounds
What is a Gallon?

- The gallon is a unit of volume used to measure liquids.
- The US Gallon is equal to 3.785 liters or 231 cubic inches. Liter is the SI unit to measure volume, Gallon is not an SI Unit.
- The abbreviation used for gallon is 'gal'
- Gallons are the largest measures in the countries that follow imperial / customary system
- There are 2 types of gallons - US Gallon (customary system) and Imperial Gallon (UK) The Imperial Gallon is a larger unit and it is 4.54 liters or 277 cubic inches.
- Gallons are used to measure gasoline, oil, milk, paint and any large volumes of liquids.
What is a Pound?

- The pound is a unit of mass used to measure both solids and liquids.
- The abbreviation used for pound is 'lb'
- The pound is a bigger unit than kg. A pound is equal to 0.45 kilograms. The pound is not an SI unit
- Pounds are commonly used in the United States, Canada, and the United Kingdom and they are the largest measures in their respective systems
- The gallon and pound are related to each other through the density of the item. One gallon of water weighs 8.33 pounds.
- Pounds are used to measure weight, such as the weight of a person or any object.
How is a Gallon related to a Pound?
- Gallon is a unit of Volume and Pound is a unit of mass. They are not directly related
- They are indirectly related by Density
- Density of any item is Mass / Volume
- Therefore to find the Mass of an item, multiply Volume with Density. To find Volume given the mass, divide Mass by Density
- Density is usually specified in kg/m3 or in gms/cc. In this case, we have to convert it into lbs/gallon and apply that conversion factor
- Converting gallons to pounds is useful for determining the weight of a specific volume of liquid. Fuel, Engine Oil, chemicals, raw materials in industries are typically sold in gallon containers and it's useful to know the equivalent weight in pounds.
Weight of 1 Gallon of Different substances
The weight of 1 gallon of different substances is dependent on the density of the substance.
The weight of 1 gallon of any item is 1 x density in lbs/gal.
1 Gallon | Weight (lbs) | Density (lbs/gal) | Density (gms/cc) |
---|---|---|---|
Water | 8.345 lbs | 8.345 | 0.997 |
Milk | 8.595 lbs | 8.595 | 1.03 |
Propane | 4.11 lbs | 4.11 | 4.2 |
Ethanol | 6.53 lbs | 6.53 | 0.789 |
Methanol | 6.6 lbs | 6.6 | 0.791 |
Alcohol | 11.68 lbs | 11.68 | 0.79 |
Cooking Oil | 7.343 lbs | 7.343 | 1.4 |
Blood | 32 lbs | 32 | 1.060 |
Honey | 20.11 lbs | 20.11 | 1.36 |
Sugar Syrup | 11 lbs | 11 | 1.32 |
Oil | 13.6 lbs | 13.6 | 0.92 |
Coconut Water | 7.7 lbs | 7.7 | 0.99 |
Soft Drinks | 40 lbs | 40 | 0.98 |
Tea | 8.4 lbs | 8.4 | 1 |
Coffee | 8.34 lbs | 8.34 | 1 |
Yoghurt | 15.68 lbs | 15.68 | 1.06 |
Jam | 21.15 lbs | 21.15 | 1.43 |
Corn Syrup | 12 lbs | 12 | 1.33 |
Soup | 15.53 lbs | 15.53 | 1.05 |
Vitamin Tonic | 9 lbs | 9 | 0.7 |
Fruit Juice | 15.45 lbs | 15.45 | 1.045 |
Iced Juice | 17.59 lbs | 17.59 | 1.24 |
Gasolene | 6.3 lbs | 6.3 | 0.68 |
Engine Oil | 7.39 lbs | 7.39 | 0.74 |
Kerosene | 6.82 lbs | 6.82 | 0.810 |
Molasse | 11.46 lbs | 11.46 | 1.42 |
Liquid Nitrogen | 3.6 lbs | 3.6 | 0.56 |
Acetone | 6.6 lbs | 6.6 | 0.7900 |
Dog Food | 3.75 lbs | 3.75 | 1.031 |
Fuel | 7.43 lbs | 7.43 | 0.89 |
Soybean Oil | 11.6 lbs | 11.6 | 0.917 |
Peanut Oil | 7.6 lbs | 7.6 | 0.912 |
Sulfuric Acid | 15.35 lbs | 15.35 | 1.9 |
Diesel | 7.094 lbs | 7.094 | 0.825 |
Petrol | 7.39 lbs | 7.39 | 0.74 |
Biodiesel | 7.35 lbs | 7.35 | 0.75 |
Almond | 6.8 lbs | 6.8 | 0.46 |
Air | 1.06 lbs | 1.06 | 0.001293 |
All Purpose Flour | 8.73 lbs | 8.73 | 0.59 |
Baking Powder | 14.34 lbs | 14.34 | 0.97 |
Baking Soda | 32.54 lbs | 32.54 | 2.2 |
Butter | 14.2 lbs | 14.2 | 0.96 |
Cashew | 7.4 lbs | 7.4 | 0.5 |
Chilli | 7.4 lbs | 7.4 | 0.5 |
Cocoa Powder | 8.13 lbs | 8.13 | 0.55 |
Cooking Gas | 12 lbs | 12 | 0.015 |
Corn | 10.65 lbs | 10.65 | 0.72 |
Dough | 8.28 lbs | 8.28 | 0.56 |
Dry Air | 1.204 lbs | 1.204 | 0.001225 |
Egg Powdered | 5.17 lbs | 5.17 | 0.35 |
Egg | 15.25 lbs | 15.25 | 1.031 |
Gelatin | 10.65 lbs | 10.65 | 0.72 |
Granulated Sugar | 12.57 lbs | 12.57 | |
Glucose | 23.07 lbs | 23.07 | 1.56 |
Humid Air | 1.4 lbs | 1.4 | 0.001204 |
Ice | 0.558 lbs | 0.558 | 0.917 |
Legumes | 11.1 lbs | 11.1 | 0.75 |
Mineral Water | 15.38 lbs | 15.38 | 1.04 |
Nuts | 9.32 lbs | 9.32 | 0.63 |
Olive Oil | 13.6 lbs | 13.6 | 0.92 |
Oats | 6.1 lbs | 6.1 | 0.41 |
Onions Chopped | 3.25 lbs | 3.25 | 0.22 |
Powdered Sugar | 8.28 lbs | 8.28 | 0.56 |
Rice | 10.65 lbs | 10.65 | 0.72 |
Soy | 10.35 lbs | 10.35 | 0.7 |
Syrup | 19.52 lbs | 19.52 | 1.32 |
Salt Powdered | 20.41 lbs | 20.41 | 1.38 |
Salt Granulated | 18.93 lbs | 18.93 | 1.28 |
Spice | 8.58 lbs | 8.58 | 0.58 |
Vitamin | 10.35 lbs | 10.35 | 0.7 |
Wheat | 11.39 lbs | 11.39 | 0.77 |
Whey | 8.28 lbs | 8.28 | 0.56 |
Water Vapour | 3 lbs | 3 | 1 |
Gallons to Pounds Table for Water

Gallon (gal) | Pound (lbs) |
---|---|
1 gal | 8.345 lbs |
2 gal | 16.690 lbs |
2.5 gal | 20.863 lbs |
3 gal | 25.036 lbs |
4 gal | 33.381 lbs |
5 gal | 41.727 lbs |
6 gal | 50.072 lbs |
7 gal | 58.417 lbs |
8 gal | 66.763 lbs |
9 gal | 75.108 lbs |
10 gal | 83.454 lbs |
15 gal | 125.181 lbs |
16 gal | 133.526 lbs |
20 gal | 166.908 lbs |
30 gal | 250.362 lbs |
55 gal | 458.99 lbs |
100 gal | 834.540 lbs |
120 gal | 1001.44 lbs |
200 gal | 1669.08 lbs |
500 gal | 4172.70 lbs |
1000 gal | 8345.40 lbs |
Pounds to Gallons Table for Water

Pound (lbs) | Gallon (gal) |
---|---|
1 lb | 0.119 gal |
2 lbs | 0.239 gal |
3 lbs | 0.359 gal |
4 lbs | 0.479 gal |
5 lbs | 0.599 gal |
6 lbs | 0.718 gal |
7 lbs | 0.838 gal |
8 lbs | 0.958 gal |
9 lbs | 1.078 gal |
10 lbs | 1.198 gal |
11 lbs | 1.318 gal |
15 lbs | 1.797 gal |
20 lbs | 2.396 gal |
25 lbs | 2.995 gal |
30 lbs | 3.594 gal |
35 lbs | 4.193 gal |
40 lbs | 4.793 gal |
45 lbs | 5.392 gal |
50 lbs | 5.991 gal |
100 lbs | 11.982 gal |
FAQ on Gallons to Pounds and Pounds to Gallons converter

Is 1 Gallon equal to 1 Pound?
No, A Gallon of any liquid item will weigh more than a pound. It depends on the density of the item.
Unless the density of the item is 1 lb/gal or 0.12 g/cc, it will never be equal to a pound
Less than a quarter of a gallon of water is a pound
Which is Bigger US Gallon or Imperial Gallon?
The Imperial Gallon is bigger than US Gallon.
1 US Gallon = 0.834 times Imperial Gallon.
The US Gallon is 3.784 Liters, Imperial Gallon is 4.54 Liters