| 1 ng/L | = 2.5287499908333E-10 gr/in3 |
| 2 ng/L | = 5.0574999816666E-10 gr/in3 |
| 3 ng/L | = 7.5862499724998E-10 gr/in3 |
| 4 ng/L | = 1.0114999963333E-9 gr/in3 |
| 5 ng/L | = 1.2643749954166E-9 gr/in3 |
| 6 ng/L | = 1.5172499945E-9 gr/in3 |
| 7 ng/L | = 1.7701249935833E-9 gr/in3 |
| 8 ng/L | = 2.0229999926666E-9 gr/in3 |
| 9 ng/L | = 2.27587499175E-9 gr/in3 |
| 10 ng/L | = 2.5287499908333E-9 gr/in3 |
| 20 ng/L | = 5.0574999816666E-9 gr/in3 |
| 30 ng/L | = 7.5862499724998E-9 gr/in3 |
| 40 ng/L | = 1.0114999963333E-8 gr/in3 |
| 50 ng/L | = 1.2643749954166E-8 gr/in3 |
| 60 ng/L | = 1.5172499945E-8 gr/in3 |
| 70 ng/L | = 1.7701249935833E-8 gr/in3 |
| 80 ng/L | = 2.0229999926666E-8 gr/in3 |
| 90 ng/L | = 2.27587499175E-8 gr/in3 |
| 100 ng/L | = 2.5287499908333E-8 gr/in3 |
| 200 ng/L | = 5.0574999816666E-8 gr/in3 |
| 300 ng/L | = 7.5862499724998E-8 gr/in3 |
| 400 ng/L | = 1.0114999963333E-7 gr/in3 |
| 500 ng/L | = 1.2643749954166E-7 gr/in3 |
| 600 ng/L | = 1.5172499945E-7 gr/in3 |
| 700 ng/L | = 1.7701249935833E-7 gr/in3 |
| 800 ng/L | = 2.0229999926666E-7 gr/in3 |
| 900 ng/L | = 2.27587499175E-7 gr/in3 |
| 1000 ng/L | = 2.5287499908333E-7 gr/in3 |
| 2000 ng/L | = 5.0574999816666E-7 gr/in3 |
| 4000 ng/L | = 1.0114999963333E-6 gr/in3 |
| 5000 ng/L | = 1.2643749954166E-6 gr/in3 |
| 7500 ng/L | = 1.896562493125E-6 gr/in3 |
| 10000 ng/L | = 2.5287499908333E-6 gr/in3 |
| 25000 ng/L | = 6.3218749770832E-6 gr/in3 |
| 50000 ng/L | = 1.2643749954166E-5 gr/in3 |
| 100000 ng/L | = 2.5287499908333E-5 gr/in3 |
| 1000000 ng/L | = 0.00025287499908333 gr/in3 |
| 1000000000 ng/L | = 0.25287499908333 gr/in3 |