Convert parts per billion to parts per million
Enter the value to convert from parts per billion to parts per million.
Result:
1 parts per billion (ppb) = 0.001 parts per million (ppm)
How to Convert Parts per billion to Parts per million
Converting parts per billion to parts per million is straightforward using our conversion calculator.
Conversion Formula
ppm = ppb รท 1000Reverse conversion: Convert parts per million to parts per billion