PPM Calculator
Convert PPM to percentage and vice versa.
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Percentage
Recent Calculations
What Is PPM?
PPM (parts per million) is a ratio. 10,000 ppm = 1%.
Formula
1 ppm = 0.0001%Example
100 ppm = 0.01%
Frequently Asked Questions
How do I convert ppm to %?
Multiply the ppm value by 0.0001. For example, 100 ppm = 0.0100 %.
How do I convert % back to ppm?
Divide the % value by 0.0001 (or multiply by 10000.000000).