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Parts per billion to Parts per million

Convert parts per billion (ppb) to parts per million (ppm) instantly with our free online Density converter.

Parts per billion to Parts per million

1 ppb = — ppm

Easily convert parts per billion to parts per million using this precise, free online tool. Enter a value and get an instant result. The conversion factor used is 1 ppb = 1.000000e-3 ppm.

Formula

value in ppm = value in ppb × 0.001

How to convert

  1. Enter the value you want to convert in the "From" field.
  2. Select the source unit from the dropdown.
  3. Select the target unit in the "To" dropdown.
  4. The result updates instantly in real time.

Conversion Table

UnitAbbreviationValue
Parts per billionppb1
Parts per millionppm0.001

FAQ

How many parts per million are in 1 parts per billion?+

1 Parts per billion (ppb) equals 0.001 Parts per million (ppm).

How do I convert parts per billion to parts per million?+

Multiply the value in Parts per billion by 0.001 to get the equivalent value in Parts per million.

Is this Parts per billion to Parts per million converter accurate?+

Yes, this converter uses precise, internationally recognized conversion factors for accurate results.

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