Table of Contents

## Parts Per Trillion

In a scientific context, **PPT can also stand for “parts per trillion.”** It’s a unit of measurement used to express extremely low concentrations of substances in a mixture, indicating one part of a substance for every trillion parts of the mixture.

## Parts Per Million

PPM stands for “parts per million.” It’s another unit of measurement used to express the concentration of a substance in a mixture. It indicates one part of a substance for every million parts of the mixture.

### How to convert ppt to ppm

Converting from “ppt” (parts per trillion) to “ppm” (parts per million) involves scaling the concentration of a substance in a mixture from one unit to the other. Here’s how you can do it:

Understand the Conversion Factor: Since there are 1,000,000 parts in a million and 1,000,000,000,000 parts in a trillion, the conversion factor between ppt and ppm is 1 trillion (10^12).

**Conversion Formula**

To convert from ppt to ppm, you can use the following formula:

Concentration (ppm) = Concentration (ppt) / 10^{6}

Where:

Concentration (ppm) is the concentration of the substance in parts per million.

Concentration (ppt) is the concentration of the substance in parts per trillion.

Example: Let’s say you have a concentration of a substance of 5 ppt and you want to convert it to ppm.

Ans. Concentration (ppm) = 5 ppt / 10^{6} = 0.000005 ppm

So, a concentration of 5 ppt is equivalent to 0.000005 ppm.

### ppt to ppm conversion table

ppt |
ppm |

1 | 0.000001 |

10 | 0.00001 |

100 | 0.0001 |

1000 | 0.001 |

10000 | 0.01 |

100000 | 0.1 |

10^{6} |
1 |

10^{7} |
10 |

10^{8} |
100 |

10^{9} |
1000 |

10^{10} |
10000 |

## FAQs on ppt to ppm conversion

### How much ppt is 1 ppm?

1 ppm is equal to 0.001 ppt (parts per trillion).

### What is 1 ppt equal to?

1 ppt (parts per trillion) is equal to 0.000001 ppm (parts per million).

### What is 10 ppt equivalent to?

10 ppt (parts per trillion) is equivalent to 0.00001 ppm (parts per million).

### Is ppt the same as ppm?

No, ppt (parts per trillion) and ppm (parts per million) are not the same. Ppt represents a smaller concentration compared to ppm.

### What is 35 ppt salinity?

A salinity of 35 ppt (parts per trillion) refers to a concentration of dissolved salts in water, commonly used to measure the salinity of seawater.

### What is 1 ppt salinity?

A salinity of 1 ppt (parts per trillion) indicates a very low concentration of dissolved salts in water.

### How to make 20 ppt salinity?

To create a salinity of 20 ppt (parts per trillion), you would need to dissolve a specific amount of salts in a given amount of water, ensuring the ratio of salt to water is 20 parts per trillion.

## What is 1.026 in ppt?

The value 1.026 is typically associated with the specific gravity of seawater, which doesn't directly convert to ppt. However, it indicates the density of seawater compared to freshwater. If you're looking for the equivalent ppt value, you would need more information about the specific composition of the solution.