ppb to ppm | Single Conversion

Part-per Billion to Part-per Million Conversion Formula

To convert from Part-per Billion (ppb) to Part-per Million (ppm), use the following formula:

$\textbf{ Part-per Million} \text{ (ppm)}$

$= \frac{1}{1000}\times \textbf{ Part-per Billion} \text{ (ppb)}$

$= 0.001\times \textbf{ Part-per Billion} \text{ (ppb)}$

Example

Let's convert 5 Part-per Billion (ppb) to Part-per Million (ppm).

Using the formula:

$5 \times 0.001 = 0.005$

Therefore, 5 Part-per Billion (ppb) is equal to $0.005$ Part-per Million (ppm).

What is a Part-per Billion (ppb)?

A Part-per Billion (ppb) is a unit of parts-per in the International System of Units (SI), equal to one thousandth of a Part-per Million (0.001 ppm). The plural form is Parts-per Billion.

What is a Part-per Million (ppm)?

A Part-per Million (ppm) is a base unit of parts-per in the International System of Units (SI). The plural form is Parts-per Million.

What is the International System of Units (SI)?

The International System of Units (SI) is the modern form of the metric system and the most widely used system of measurement in the world. It is founded on seven fundamental units: the second (time), meter (length), kilogram (mass), ampere (electric current), kelvin (thermodynamic temperature), mole (amount of substance), and candela (luminous intensity).

Part-per Billion to Part-per Million Conversion Table

Here are some quick reference conversions from Part-per Billion (ppb) to Part-per Million (ppm):

Parts-per Billion	Parts-per Million
0.000001 ppb	$10^{-9}$ ppm
0.001 ppb	$10^{-6}$ ppm
0.1 ppb	$10^{-4}$ 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
20 ppb	$0.02$ ppm
30 ppb	$0.03$ ppm
40 ppb	$0.04$ ppm
50 ppb	$0.05$ ppm
100 ppb	$0.1$ ppm
1000 ppb	$1$ ppm
10000 ppb	$10$ ppm