Convert-Top

Free online unit converter for length, weight, volume, temperature & more

PPM to PPB Converter

Convert PPM to PPB

Result

Quick Conversions

Auto

How to Convert PPM to PPB

Converting parts per million (PPM) to parts per billion (PPB) is a simple conversion. Since one billion is one thousand times larger than one million, you multiply the PPM value by 1,000 to get the equivalent in PPB.

Formula

PPB = PPM × 1000

or

PPB = PPM × 1000

Step-by-step process

  1. Take the measurement in PPM
  2. Multiply that number by 1,000
  3. The result is the equivalent amount in PPB

Examples

  • 1 PPM = 1,000 PPB
  • 0.5 PPM = 500 PPB
  • 0.001 PPM = 1 PPB

When to Convert PPM to PPB

This conversion is frequently used in environmental science, water quality analysis, and toxicology, where very low concentrations of substances are measured and reported.

Common PPM to PPB Conversions

Here is a table of common PPM to PPB conversions for quick reference:

PPM PPB PPM PPB
1 1,000 0.001 1
10 10,000 0.0001 0.1
100 100,000 0.00001 0.01
1,000 1,000,000 0.000001 0.001

Frequently Asked Questions

How many PPB are in one PPM?

There are 1,000 PPB in one PPM.

Why is the conversion factor 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 multiply the PPM value by 1,000 to get the equivalent in PPB.