Parts per billion (ppb, ≈µg/L in aqueous solution) to Parts per million (ppm, ≈mg/L in aqueous solution) Converter
1 ppb = 0.001 ppm
1 Parts per billion (ppb, ≈µg/L in aqueous solution)=0.001 Parts per million (ppm, ≈mg/L in aqueous solution)
Parts per billion (ppb, ≈µg/L in aqueous solution) → Parts per million (ppm, ≈mg/L in aqueous solution)
| Parts per billion (ppb, ≈µg/L in aqueous solution) | Parts per million (ppm, ≈mg/L in aqueous solution) |
|---|---|
| 1 | 0.001 |
| 5 | 0.005 |
| 10 | 0.01 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
Formula
ppm = ppb x 0.001
ppb = ppm x 1000
Conversion Factor
1 Parts per billion (ppb, ≈µg/L in aqueous solution) = 0.001 Parts per million (ppm, ≈mg/L in aqueous solution)
1 Parts per million (ppm, ≈mg/L in aqueous solution) = 1000 Parts per billion (ppb, ≈µg/L in aqueous solution)
Step-by-Step Example
- 1
Start with the value in Parts per billion (ppb, ≈µg/L in aqueous solution)
10 ppb - 2
Multiply by the conversion factor 0.001
10 x 0.001 - 3
Result: 10 ppb = 0.01 ppm
1 Parts per billion (ppb, ≈µg/L in aqueous solution) is equal to 0.001 Parts per million (ppm, ≈mg/L in aqueous solution). To convert Parts per billion (ppb, ≈µg/L in aqueous solution) to Parts per million (ppm, ≈mg/L in aqueous solution), multiply the value by 0.001.
The formula is: ppm = ppb x 0.001. You can also divide the ppb value by 1000 to get the same result.
1 Parts per million (ppm, ≈mg/L in aqueous solution) is equal to 1000 Parts per billion (ppb, ≈µg/L in aqueous solution). This is the inverse of the Parts per billion (ppb, ≈µg/L in aqueous solution) to Parts per million (ppm, ≈mg/L in aqueous solution) conversion.
The conversion factor used is 1 Parts per billion (ppb, ≈µg/L in aqueous solution) = 0.001 Parts per million (ppm, ≈mg/L in aqueous solution). For most practical purposes, this provides highly accurate results. Our converter uses standard internationally recognized conversion factors.
To convert Parts per million (ppm, ≈mg/L in aqueous solution) to Parts per billion (ppb, ≈µg/L in aqueous solution), multiply the Parts per million (ppm, ≈mg/L in aqueous solution) value by 1000. Or use our converter above and click the swap button.
{from} to {to} Conversion Table
| ppb | ppm |
|---|---|
| 1 ppb | 0.001 ppm |
| 2 ppb | 0.002 ppm |
| 3 ppb | 0.003 ppm |
| 5 ppb | 0.005 ppm |
| 10 ppb | 0.01 ppm |
| 20 ppb | 0.02 ppm |
| 25 ppb | 0.025 ppm |
| 50 ppb | 0.05 ppm |
| 100 ppb | 0.1 ppm |
| 250 ppb | 0.25 ppm |
| 500 ppb | 0.5 ppm |
| 1000 ppb | 1 ppm |