Convert 100 parts-pm to parts-pb

So you want to convert 100 parts-per million into parts-per billion? If you're in a rush and just need the answer, the calculator below is all you need. The answer is 0.1 parts-per billion.

How to convert parts-per million to parts-per billion

We all use different units of measurement every day. Whether you're in a foreign country and need to convert the local imperial units to metric, or you're baking a cake and need to convert to a unit you are more familiar with.

Luckily, converting most units is very, very simple. In this case, all you need to know is that 1 parts-pm is equal to 0.001 parts-pb.

Once you know what 1 parts-pm is in parts-per billion, you can simply multiply 0.001 by the total parts-per million you want to calculate.

So for our example here we have 100 parts-per million. So all we do is multiply 100 by 0.001:

100 x 0.001 = 0.1

What is the best conversion unit for 100 parts-pm?

As an added little bonus conversion for you, we can also calculate the best unit of measurement for 100 parts-pm.

What is the "best" unit of measurement? To keep it simple, let's say that the best unit of measure is the one that is the lowest possible without going below 1. The reason for this is that the lowest number generally makes it easier to understand the measurement.

For 100 parts-pm the best unit of measurement is parts-per million, and the amount is 100 parts-pm.

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More unit conversions

Hopefully this has helped you to learn about how to convert 100 parts-pm to parts-pb. If you want to calculate more unit conversions, head back to our main unit converter and experiment with different conversions.