Convert parts per trillions to parts per millions
1 ppt = 0.000001 ppm — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
0.000 001ppm
Exact decimal: 0.000001
As a fraction: 1/1000000
1 ppt = 0.000001 ppm
How to convert parts per trillions to parts per millions
Multiply the number of parts per trillions by 0.000001 to get parts per millions.
The exact factor is 0.000001 — as a fraction, 1/1000000.
Parts per trillion to Parts per million conversion table
| Parts per trillions (ppt) | Parts per millions (ppm) |
|---|---|
| 1 ppt | 0.000 001 |
| 2 ppt | 0.000 002 |
| 3 ppt | 0.000 003 |
| 5 ppt | 0.000 005 |
| 10 ppt | 0.000 01 |
| 20 ppt | 0.000 02 |
| 25 ppt | 0.000 025 |
| 50 ppt | 0.000 05 |
| 100 ppt | 0.0001 |
| 250 ppt | 0.000 25 |
| 500 ppt | 0.0005 |
| 1000 ppt | 0.001 |
Parts per million to Parts per trillion conversion table
| Parts per millions (ppm) | Parts per trillions (ppt) |
|---|---|
| 1 ppm | 1 000 000 |
| 2 ppm | 2 000 000 |
| 3 ppm | 3 000 000 |
| 5 ppm | 5 000 000 |
| 10 ppm | 10 000 000 |
| 20 ppm | 20 000 000 |
| 25 ppm | 25 000 000 |
| 50 ppm | 50 000 000 |
| 100 ppm | 100 000 000 |
| 250 ppm | 250 000 000 |
| 500 ppm | 500 000 000 |
| 1000 ppm | 1 000 000 000 |
Frequently asked
How many parts per millions are in a parts per trillion?
One parts per trillion equals 0.000001 parts per millions (ppt → ppm). That figure is exact, not rounded.
How do you convert parts per trillions to parts per millions?
Multiply the number of parts per trillions by 0.000001 to get parts per millions.
What is 1 ppm in parts per trillions?
One parts per million is 1000000 parts per trillions.
What is 10 ppt in ppm?
10 ppt = 0.000 01 ppm.