#### Convert 25 Parts-Per-Million (ppm) to Parts-Per-Billion (ppb)

This is our conversion tool for converting parts-per-million to parts-per-billion.

To use the tool, simply enter a number in any of the inputs and the converted value will automatically appear in the opposite box.

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##### How to convert Parts-Per-Million (ppm) to Parts-Per-Billion (ppb)

Converting Parts-Per-Million (ppm) to Parts-Per-Billion (ppb) is simple. Why is it simple? Because it only requires one basic operation: multiplication. The same is true for many types of unit conversion (there are some expections, such as temperature). To convert Parts-Per-Million (ppm) to Parts-Per-Billion (ppb), you just need to know that 1ppm is equal to ppb. With that knowledge, you can solve any other similar conversion problem by multiplying the number of Parts-Per-Million (ppm) by . For example, 10ppm multiplied by is equal to ppb.

#### Best conversion unit for 25 Parts-Per-Million (ppm)

We define the "best" unit to convert a number as the unit that is the lowest without going lower than 1. For 25 parts-per-million, the best unit to convert to is .