How to Convert ppb to per mille
To convert ppb to per mille, divide the value by 1000000.
The Formula
per mille = ppb ÷ 1000000
Key Fact
1 per mille = 1000000 ppb
Tip: To convert per mille back to ppb, multiply by 1000000.
ppb to Per Mille
Convert ppb (ppb) to per mille (‰) with formulas, examples, and conversion tables.
ppb
‰
1 ppb (ppb) = 1e-6 per mille (‰)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 per mille = 1000000 ppb
2Divide the value by the conversion factor:
1 ÷ 1000000 = 1e-6
3Result:
1 ppb (ppb) = 1e-6 per mille (‰)
ppb to per mille Table
| ppb | per mille |
|---|---|
| 1 ppb | 1e-6 ‰ |
| 2 ppb | 2e-6 ‰ |
| 5 ppb | 5e-6 ‰ |
| 10 ppb | 1e-5 ‰ |
| 20 ppb | 2e-5 ‰ |
| 25 ppb | 2.5e-5 ‰ |
| 50 ppb | 5e-5 ‰ |
| 100 ppb | 0.0001 ‰ |
| 250 ppb | 0.00025 ‰ |
| 500 ppb | 0.0005 ‰ |
| 1000 ppb | 0.001 ‰ |
1 parts per billion in Other Units
| Unit | 1 ppb = |
|---|---|
| PPB to PPM | 0.001 ppm |
| ppb to ppt | 1000 ppt |
| ppb to Percent | 1e-7 % |
| ppb to Per Mille | 1e-6 ‰ |
| ppb to mg/L | 0.001 mg/L |
| ppb to g/L | 1e-6 g/L |
| ppb to μg/L | 1 μg/L |
| ppb to mg/m³ | 1 mg/m³ |