Parts per Billion to Parts per Million

Convert Parts per Billion to Parts per Million instantly. Free, accurate.

Formula: 1 ppb = 1/1000 ppm

How to Use Parts per Billion to Parts per Million

1

Enter the value in Parts per Billion.

2

See the result in Parts per Million instantly.

3

Click swap to reverse.

Frequently Asked Questions

How do I convert Parts per Billion to Parts per Million?

Use the formula: Parts per Billion / 1000.

Is this free?

Yes, completely free with no signup.