0.25 ppb to Per Mille
Convert 0.25 ppb (ppb) to per mille (‰) with formulas, examples, and conversion tables.
ppb
‰
0.25 ppb (ppb) = 2.5e-7 per mille (‰)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 per mille = 1000000 ppb
2Divide the value by the conversion factor:
0.25 ÷ 1000000 = 2.5e-7
3Result:
0.25 ppb (ppb) = 2.5e-7 per mille (‰)
ppb to Per Mille Conversion Table
| ppb | Per Mille |
|---|---|
| 0.25 ppb | 2.5e-7 ‰ |
| 1 ppb | 1e-6 ‰ |
| 2 ppb | 2e-6 ‰ |
| 3 ppb | 3e-6 ‰ |
| 4 ppb | 4e-6 ‰ |
| 5 ppb | 5e-6 ‰ |
| 10 ppb | 1e-5 ‰ |
| 20 ppb | 2e-5 ‰ |
| 50 ppb | 5e-5 ‰ |
| 100 ppb | 0.0001 ‰ |
0.25 ppb in Other Units
| Unit | 0.25 ppb = |
|---|---|
| PPB to PPM | 0.00025 ppm |
| ppb to ppt | 250 ppt |
| ppb to Percent | 2.5e-8 % |
| ppb to Per Mille | 2.5e-7 ‰ |
| ppb to mg/L | 0.00025 mg/L |
| ppb to g/L | 2.5e-7 g/L |
| ppb to μg/L | 0.25 μg/L |
| ppb to mg/m³ | 0.25 mg/m³ |