How to Convert ppt to Per Mille
To convert ppt to per mille, divide the value by 1000000000.
The Formula
Per Mille = ppt ÷ 1000000000
Key Fact
1 per mille = 1000000000 ppt
Tip: To convert per mille back to ppt, multiply by 1000000000.
ppt to Per Mille
Convert ppt (ppt) to per mille (‰) with formulas, examples, and conversion tables.
ppt
‰
1 ppt = 1e-9 ‰
Full precision:1e-9 ‰
Step-by-Step Solution
To convert 1 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:
1 ÷ 1000000000 = 1e-9 per mille
So 1 ppt = 1e-9 per mille.
Quick check: 1e-9 × 1000000000 = 1 ppt
Example Conversions
Example 1: 1 ppt = 1e-9 ‰
1 ÷ 1000000000 = 1e-9
1 ÷ 1000000000 = 1e-9
Example 2: 5 ppt = 5e-9 ‰
5 ÷ 1000000000 = 5e-9
5 ÷ 1000000000 = 5e-9
Example 3: 10 ppt = 1e-8 ‰
10 ÷ 1000000000 = 1e-8
10 ÷ 1000000000 = 1e-8
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 | 0.000001 ppm |
| ppt to ppb | 0.001 ppb |
| ppt to Percent | 1e-10 % |
| ppt to Per Mille | 1e-9 ‰ |
| ppt to mg/L | 0.000001 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 |