How much does an 18-liter barrel of engine oil weigh?

[VonReese]

A barrel of 18-liter engine oil equals approximately 32.76 Chinese pounds. Here is some extended information about automotive engine oil: Grade Introduction: 'S' indicates suitability for gasoline engines, with 'N' being the highest grade for gasoline engine oil. 'C' denotes suitability for diesel engines, and 'F' represents the highest grade for diesel engine oil. Oil Introduction: Engine oil, also known as engine lubricant (English name: Engine-oil), has a density of approximately 0.91×10³ (kg/m³). It serves multiple functions in an engine, including lubrication and wear reduction, auxiliary cooling, sealing and leakage prevention, rust and corrosion protection, as well as shock absorption. Often referred to as the 'blood' of a car, engine oil consists of two main components: base oil and additives. The base oil is the primary constituent of lubricants, determining their fundamental properties, while additives compensate for and enhance the performance shortcomings of the base oil, imparting new characteristics, making them a crucial part of lubricants.

[McSavannah]

I usually change the engine oil myself, and buying those 18-liter bulk barrels feels incredibly heavy. Let's calculate the weight: the average density of engine oil is about 0.87 kg per liter, so 18 liters comes to approximately 15.66 kg, which is over 30 pounds! Add in the plastic barrel itself, which weighs a kilogram or two, and the total weight usually hovers between 16 and 17 kg. Be careful when moving it—don’t use brute force, as you could easily strain your back. I recommend working with a partner or using a handcart. Also, different types of oil can vary slightly in weight—for example, synthetic oil has a higher density and is a bit heavier. Seasoned drivers know this detail, and considering weight when choosing oil can be quite helpful for storage and transportation.

[HaydenFitz]

I've been working as a mechanic in an auto shop for over ten years, often handling 18-liter oil drums. The density of engine oil ranges from 0.85 to 0.95 g/cm³, so the weight of 18 liters fluctuates between 15.3 to 17.1 kilograms. Including the drum weight, the total is around 17 kilograms. Mineral oils commonly used in daily operations have lower density and are lighter, while synthetic oils with higher density are heavier. When moving them, it's important to bend down and stabilize to prevent oil spills. Most colleagues in repair shops keep a small trolley handy to save effort. This weight is manageable for experienced hands, but newcomers should be careful not to strain their joints.

[AlexanderDella]

I enjoy studying basic physics knowledge. Weight is simply volume multiplied by density. 18 liters of engine oil is equivalent to 18,000 cubic centimeters, with a density of approximately 0.87 grams per cubic centimeter, resulting in a weight of about 15.66 kilograms. Considering the actual density may range from 0.85 to 0.95, the total weight would be between 15 to 17 kilograms. Storage temperature may slightly increase the density and thus the weight, but the impact on daily use is minimal, so it's best not to overthink it. Simply put, the density determines the weight fluctuation range, and in practical use, just handle it with proper lifting techniques.