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PPM to PPB Calculator
Use this tool to convert values between different parts-per units. By inputting a value into one field, the converted value for all other units is provided.
UnitSymbolEquivalent to "X" PPB(s)Conversion
parts per millionPPM
103
parts per billionPPB
1
percentage%
107

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Have a question or a feature request about this tool? Feel free to reach out to us and let us know! We're always looking for ways to improve!

References
This online resource may be cited as follows
MLA
"Quest CalculatePPM to PPB Calculator." AAT Bioquest, Inc.26 Sep2025https://www.aatbio.com/tools/quick-calculator/ppm-ppb-calculator.
APA
AAT Bioquest, Inc. (2025September 26). Quest CalculatePPM to PPB Calculator. AAT Bioquest. https://www.aatbio.com/tools/quick-calculator/ppm-ppb-calculator.
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