Table of Contents

## PPB

**PPB stands for “parts per billion,”** which is a unit used to express extremely low concentrations of a substance in a mixture. It indicates the number of parts of a specific substance in one billion (10^{9}) parts of the whole mixture.

## PPM

**PPM stands for “parts per million,”** another unit used to express concentrations, where it represents the number of parts of a substance in one million (10^{6}) parts of the mixture. It’s commonly used to quantify small amounts of substances in various contexts like chemistry, environmental analysis, and industrial processes.

### How to convert ppb to ppm

To convert from parts per billion (ppb) to parts per million (ppm), you can use the following conversion factor:

**1 ppb = 0.001 ppm**

Multiply the value in ppb by 0.001 to get the equivalent value in ppm. This conversion accounts for the difference in the number of parts in a billion compared to a million.

### ppb to ppm conversion table

ppb | ppm |

1 | 0.001 |

10 | 0.01 |

100 | 0.1 |

1000 | 1 |

10000 | 10 |

100000 | 100 |

1000000 | 1000 |

## FAQs on ppb to ppm conversion

### How do I convert ppb to ppm?

To convert PPB (parts per billion) to PPM (parts per million), divide the PPB value by 1000. This is because 1 PPM is equivalent to 1000 PPB.

### What is 1 ppb equal to?

1 ppb is equal to 0.001 ppm. This means that for every billion parts of a mixture, there's 1 part of the substance.

### Why does 1% equal 10,000 ppm?

The relationship between percentage and PPM is due to the different scales. Since 1% represents 1 part in 100, and 1 PPM represents 1 part in 1,000,000, 1% is 10,000 times larger than 1 PPM.

### What is ppm vs ppb?

PPM (parts per million) and PPB (parts per billion) are both units for measuring concentration in a mixture. PPM signifies one part in a million, while PPB signifies one part in a billion.

### Which is bigger, 1 ppb or 1 ppm?

1 ppm is larger than 1 ppb. This is because 1 ppm means 1 part in a million, whereas 1 ppb means 1 part in a billion. Thus, 1 ppm is 1000 times greater than 1 ppb.

### How is ppm calculated?

PPM is calculated by dividing the number of parts of a substance by the total number of parts in the mixture and then multiplying by 1,000,000.

### What is the value of 1 ppm?

1 ppm represents one part of a substance in a million parts of the mixture. In percentage terms, it's equivalent to 0.0001%.