PPB to PPM Converter
Convert PPB to PPM
Quick Conversions
How to Convert PPB to PPM
Converting parts per billion (PPB) to parts per million (PPM) is a simple conversion. Since one billion is one thousand times larger than one million, you divide the PPB value by 1,000 to get the equivalent in PPM.
Formula
PPM = PPB / 1000
or
PPM = PPB / 1000
Step-by-step process
- Take the measurement in PPB
- Divide that number by 1,000
- The result is the equivalent amount in PPM
Examples
- 1 PPB = 0.001 PPM
- 1000 PPB = 1 PPM
- 500 PPB = 0.5 PPM
When to Convert PPB to PPM
This conversion is frequently used in environmental science, water quality analysis, and toxicology, where very low concentrations of substances are measured and reported, and then converted to a more commonly understood unit.
Common PPB to PPM Conversions
Here is a table of common PPB to PPM conversions for quick reference:
| PPB | PPM | PPB | PPM |
|---|---|---|---|
| 1 | 0.001 | 1000 | 1 |
| 10 | 0.01 | 10,000 | 10 |
| 100 | 0.1 | 100,000 | 100 |
| 1,000,000 | 1000 | 10,000,000 | 10000 |
Frequently Asked Questions
How many PPM are in one PPB?
There are 0.001 PPM in one PPB.
Why is the conversion factor 1/1,000?
PPM stands for parts per million, and PPB stands for parts per billion. Since one billion is one thousand times larger than one million, you divide the PPB value by 1,000 to get the equivalent in PPM.