# How much is a million parts of engine oil?

#### burla

So we see additives 60ppm etc, well how much of a quart of engine oil is 1,000,000 parts? Or in other words, how many million parts are in a quart of oil? Does anyone know, and if so thank you. Let's say we wanted to boost an straight additive to an oil formulation, for example moly, how much would 1m-ppm be in ounces? Ot part of ounces?

#### burla

Moly was an example, I'm really curious about base oil.

#### KneeGrinder

I'm not too confident someone is going to have an exact answer to this question, but I've been wrong a few thousand times before! 1,000,000. ppm= 1.oz, 2.oz, 8.oz? Got no idea how someone is going to figure the size of an oil micron and equate it X 1 million, into a volume measurement, Molecule might be the one to answer? Suppose the size of the "Part" per million is going to matter also.

#### chemman

How about I present it in another way because it depends on what one is talking about. Imagine you have 1,000,000 coins made up of 60 pennies and 999,999,940 nickels. Your pennies would have a concentration of 60 parts per million (or more specifically, 60 pennies per one million coins) and your nickels would have a concentration of 999,999,940 parts per million. In terms of a formulated motor oil and let's say a moly additive, 60 ppm represents 60 milligrams of moly per 1000 grams of the formulated motor oil. Using ppm as a measure of concentration can be confusing because it typically does not indicate if it is dealing with volume, weight, or number of items (like with the coins). I hope this helps.

#### klt1986

Originally Posted by chemman
How about I present it in another way because it depends on what one is talking about. Imagine you have 1,000,000 coins made up of 60 pennies and 999,999,940 nickels. Your pennies would have a concentration of 60 parts per million (or more specifically, 60 pennies per one million coins) and your nickels would have a concentration of 999,999,940 parts per million. In terms of a formulated motor oil and let's say a moly additive, 60 ppm represents 60 milligrams of moly per 1000 grams of the formulated motor oil. Using ppm as a measure of concentration can be confusing because it typically does not indicate if it is dealing with volume, weight, or number of items (like with the coins). I hope this helps.
Shouldn't that be 999,940?

#### kstanf150

Great question I'm interested to see how some of the guys on here with deep knowledge of motor oil answer.!!ðŸ‘

#### Quattro Pete

Think of ppm as a percentage, and not an actual amount. For example, 1 part per hundred is 1%. And 1 part per million is 0.0001%. 60 ppm would be 0.006%. So now if you have 1 qt of oil total, which is 32 oz, then 0.006% of it would be 0.00192 oz.

#### chemman

Yes. My mistake. It should be 60 pennies and 999,940 nickels. Guess my large fingers got carried away

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#### oil_film_movies

Originally Posted by burla
well how much of a quart of engine oil is 1,000,000 parts?
All of a quart is 1 million ppm. ... ppm means "parts per million". So if you have a million ppm, that is all 100% of your quart. Maybe think of it as percent, easier that way. 1 ppm = 0.0001%, very small. For example, my Eneos Racing Street 0w20 has 900 ppm moly, which translates to 900 x 0.0001% = 0.09%, so less than a tenth of a percent is moly. A concentration measure.

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#### FlyNavyP3

Originally Posted by burla
So we see additives 60ppm etc, well how much of a quart of engine oil is 1,000,000 parts? Or in other words, how many million parts are in a quart of oil? Does anyone know, and if so thank you. Let's say we wanted to boost an straight additive to an oil formulation, for example moly, how much would 1m-ppm be in ounces? Ot part of ounces?
1ppm is one milligram per kilogram, find the density of said oil in Kg/L convert to Kg/quart and use that to calculate the total milligrams of additive. It's a very small fraction of the oils mass.

#### oil_film_movies

Originally Posted by burla
Let's say we wanted to boost an straight additive to an oil formulation, for example moly, how much would 1m-ppm be in ounces? Ot part of ounces?
If you want to calculate what the moly content would be if using a moly addtive like LiquiMoly (LM) MOS2, first you have to know the ppm moly in LM MOS2, which is at https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1234989 at 4,365 ppm moly. Now you have an oil that already has 70 ppm moly in it. So you want to know what percent of this LM MOS2 additive you need to boost moly to 200 ppm..... (x * 4,365) + ((1-x)*70) = 200 Solve for x. x = (200 - 70 + 70x)/4365 x = (130/4365) + (70/4365)x x(1-(70/4365)) = 130/4365 (...which later, below, we will show is really close to x = 130/4365 )..... x = (130/4365)/(1-(70/4365)) = 0.03 or 3% 0.03 times 5 quarts is 0.15 quarts 0.15 quarts times 32 oz/qt = 4.8 oz, or round to 5 oz to get about 200 ppm in the final 5-quart sump. Easier way, approximate but close enough: Goal is 200 ppm moly in the sump, and your motor oil already has 70 ppm moly to start with, so you only need to boost moly by 130 to get 200 ppm, right? Therefore, 130/4365 = 0.0297 or about 0.03, same as we got before since 4,365 >>> 70. 0.03 times 5 quarts times 32 oz/qt = 4.8 oz

#### burla

So cut and dry, how many million parts of oil are in a qrt? if soemone knows. I inderstand about the variables and density, but just an aprx random shelf oil.

#### Dave9

Parts per million is simply a ratio, spec'd in millions because some things are so nasty/bad that you don't want more than a little per million of what it's in. There is no million parts per any specific quantity. Well at the molecular level a single million of some molecule would take up a specific amount of weight or volume, but in a quart of oil, that's way more than millions... not bothering to do the math, millions of molecules would be a few drops at most.

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#### ZeeOSix

##### \$100 site donor 2022
Originally Posted by burla
So cut and dry, how many million parts of oil are in a qrt?
Call/define that 1 quart is made up of "1,000,000 parts". So for a quart of oil, 1 part per million (ppm) would be 32 oz/1,000,000 = 0.000032 oz. 1000 ppm in a quart would be 0.032 oz. ppm is just a ratio of something in the base line total amount of material. You could call 100 gallons (12,800 oz) of gas as being "1,000,000 parts". If there was 32 oz of gas treatment in that 100 gallons, then the treatment amount would be (32/12,800) x 1,000,000 = 2,500 ppm.

#### RooflessVW

Originally Posted by burla
So cut and dry, how many million parts of oil are in a qrt? if soemone knows. I inderstand about the variables and density, but just an aprx random shelf oil.
Infinite. PPM is a different way of expressing a percentage.

#### SilverFusion2010

Originally Posted by Quattro Pete
Think of ppm as a percentage, and not an actual amount. For example, 1 part per hundred is 1%. And 1 part per million is 0.0001%. 60 ppm would be 0.006%. So now if you have 1 qt of oil total, which is 32 oz, then 0.006% of it would be 0.00192 oz.
This. Parts Per Million is a convenient way to discuss small percentages with friendly numbers. The quantity of any one component of oil depends on the total quantity you're studying.

#### Bryanccfshr

1/10,000th of 1 percent is a part per million. 10,000ppm is 1 percent. Pit only takes 1 ppm to reach OSHA action levels for benzene exposure in the workplace for example. So the concentration level is significant in certain situations. 1000 ppm zinc for example is 1/10 of 1%

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#### klt1986

So, if you have a UOA completed and you have 60 PPM of aluminum show up in the report (or whatever wear metal you want to insert here), what does this tell you? For the sake of the argument here, lets say it is a 5 quart sump. I'd be interested in seeing a formula on how to figure this.

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