25 ppt to Per Mille
Convert 25 ppt (ppt) to per mille (‰) with formulas, examples, and conversion tables.
ppt
‰
25 ppt = 2.5e-8 ‰
Full precision:2.5e-8 ‰
Step-by-Step Solution
To convert 25 ppt to per mille, we divide by 1000000000 because one per mille equals exactly 1000000000 ppt.
1 per mille = 1000000000 ppt
Since there are 1000000000 ppt in every per mille, we divide our value by this factor:
25 ÷ 1000000000 = 2.5e-8 per mille
So 25 ppt = 2.5e-8 per mille.
Quick check: 2.5e-8 × 1000000000 = 25 ppt
ppt to Per Mille Conversion Table
| ppt | Per Mille |
|---|---|
| 1 ppt | 1e-9 ‰ |
| 2 ppt | 2e-9 ‰ |
| 3 ppt | 3e-9 ‰ |
| 4 ppt | 4e-9 ‰ |
| 5 ppt | 5e-9 ‰ |
| 10 ppt | 1e-8 ‰ |
| 20 ppt | 2e-8 ‰ |
| 25 ppt | 2.5e-8 ‰ |
| 50 ppt | 5e-8 ‰ |
| 100 ppt | 1e-7 ‰ |
25 ppt in Other Units
| Unit | 25 ppt = |
|---|---|
| ppt to ppm | 0.000025 ppm |
| ppt to ppb | 0.025 ppb |
| ppt to Percent | 2.5e-9 % |
| ppt to Per Mille | 2.5e-8 ‰ |
| ppt to mg/L | 0.000025 mg/L |
| ppt to g/L | 2.5e-8 g/L |
| ppt to μg/L | 0.025 μg/L |
| ppt to mg/m³ | 0.025 mg/m³ |