Parts per billion to Parts per million Converter
Convert parts per billion (ppb) to parts per million (ppm) instantly. Type a value below; the result updates as you type. 1 ppb = 0.001 ppm.
How to convert parts per billion to parts per million
1 ppb = 0.001 ppm. To convert parts per billion to parts per million, divide the value by 1,000.
parts per million = parts per billion ÷ 1,000
Worked examples
- 5 ppb = 0.005 ppm
- 12 ppb = 0.012 ppm
- 100 ppb = 0.1 ppm
Common parts per billion to parts per million conversions
How many parts per million is 2 ppb?
2 ppb is equal to 0.002 ppm.
How many parts per million is 10 ppb?
10 ppb is equal to 0.01 ppm.
How many parts per million is 20 ppb?
20 ppb is equal to 0.02 ppm.
How many parts per million is 50 ppb?
50 ppb is equal to 0.05 ppm.
How many parts per million is 100 ppb?
100 ppb is equal to 0.1 ppm.
How many parts per million is 500 ppb?
500 ppb is equal to 0.5 ppm.
Parts per billion to parts per million conversion table
| Parts per billion (ppb) | Parts per million (ppm) |
|---|---|
| 1 ppb | 0.001 ppm |
| 2 ppb | 0.002 ppm |
| 3 ppb | 0.003 ppm |
| 4 ppb | 0.004 ppm |
| 5 ppb | 0.005 ppm |
| 6 ppb | 0.006 ppm |
| 7 ppb | 0.007 ppm |
| 8 ppb | 0.008 ppm |
| 9 ppb | 0.009 ppm |
| 10 ppb | 0.01 ppm |
| 15 ppb | 0.015 ppm |
| 20 ppb | 0.02 ppm |
| 25 ppb | 0.025 ppm |
| 30 ppb | 0.03 ppm |
| 40 ppb | 0.04 ppm |
| 50 ppb | 0.05 ppm |
| 75 ppb | 0.075 ppm |
| 100 ppb | 0.1 ppm |
| 250 ppb | 0.25 ppm |
| 500 ppb | 0.5 ppm |
| 1,000 ppb | 1 ppm |
Related conversions
Frequently asked questions
How many parts per million are in 1 part per billion (in water)?
1 part per billion (in water) (ppb) equals 0.001 parts per million (ppm).
How do I convert parts per billion to parts per million?
To convert parts per billion to parts per million, divide the value by 1,000. For example, 5 ppb = 0.005 ppm.
How many parts per billion are in 1 part per million (in water)?
1 part per million (in water) (ppm) equals 1,000 parts per billion (ppb).