How to Convert ppt to per mille
To convert ppt to per mille, divide the value by 1e9.
The Formula
per mille = ppt ÷ 1e9
Key Fact
1 per mille = 1e9 ppt
Tip: To convert per mille back to ppt, multiply by 1e9.
ppt to Per Mille
Convert ppt (ppt) to per mille (‰) with formulas, examples, and conversion tables.
ppt
‰
1 ppt (ppt) = 1e-9 per mille (‰)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 per mille = 1e9 ppt
2Divide the value by the conversion factor:
1 ÷ 1e9 = 1e-9
3Result:
1 ppt (ppt) = 1e-9 per mille (‰)
ppt to per mille Table
| ppt | per mille |
|---|---|
| 1 ppt | 1e-9 ‰ |
| 2 ppt | 2e-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 ‰ |
| 250 ppt | 2.5e-7 ‰ |
| 500 ppt | 5e-7 ‰ |
| 1000 ppt | 1e-6 ‰ |
1 parts per trillion in Other Units
| Unit | 1 ppt = |
|---|---|
| ppt to ppm | 1e-6 ppm |
| ppt to ppb | 0.001 ppb |
| ppt to Percent | 1e-10 % |
| ppt to Per Mille | 1e-9 ‰ |
| ppt to mg/L | 1e-6 mg/L |
| ppt to g/L | 1e-9 g/L |
| ppt to μg/L | 0.001 μg/L |
| ppt to mg/m³ | 0.001 mg/m³ |