| 1 gr/ft3 | = 7.1433103368711E-5 s t/Mft3 |
| 2 gr/ft3 | = 0.00014286620673742 s t/Mft3 |
| 3 gr/ft3 | = 0.00021429931010613 s t/Mft3 |
| 4 gr/ft3 | = 0.00028573241347484 s t/Mft3 |
| 5 gr/ft3 | = 0.00035716551684355 s t/Mft3 |
| 6 gr/ft3 | = 0.00042859862021226 s t/Mft3 |
| 7 gr/ft3 | = 0.00050003172358097 s t/Mft3 |
| 8 gr/ft3 | = 0.00057146482694968 s t/Mft3 |
| 9 gr/ft3 | = 0.0006428979303184 s t/Mft3 |
| 10 gr/ft3 | = 0.00071433103368711 s t/Mft3 |
| 20 gr/ft3 | = 0.0014286620673742 s t/Mft3 |
| 30 gr/ft3 | = 0.0021429931010613 s t/Mft3 |
| 40 gr/ft3 | = 0.0028573241347484 s t/Mft3 |
| 50 gr/ft3 | = 0.0035716551684355 s t/Mft3 |
| 60 gr/ft3 | = 0.0042859862021226 s t/Mft3 |
| 70 gr/ft3 | = 0.0050003172358097 s t/Mft3 |
| 80 gr/ft3 | = 0.0057146482694968 s t/Mft3 |
| 90 gr/ft3 | = 0.006428979303184 s t/Mft3 |
| 100 gr/ft3 | = 0.0071433103368711 s t/Mft3 |
| 200 gr/ft3 | = 0.014286620673742 s t/Mft3 |
| 300 gr/ft3 | = 0.021429931010613 s t/Mft3 |
| 400 gr/ft3 | = 0.028573241347484 s t/Mft3 |
| 500 gr/ft3 | = 0.035716551684355 s t/Mft3 |
| 600 gr/ft3 | = 0.042859862021226 s t/Mft3 |
| 700 gr/ft3 | = 0.050003172358097 s t/Mft3 |
| 800 gr/ft3 | = 0.057146482694968 s t/Mft3 |
| 900 gr/ft3 | = 0.06428979303184 s t/Mft3 |
| 1000 gr/ft3 | = 0.071433103368711 s t/Mft3 |
| 2000 gr/ft3 | = 0.14286620673742 s t/Mft3 |
| 4000 gr/ft3 | = 0.28573241347484 s t/Mft3 |
| 5000 gr/ft3 | = 0.35716551684355 s t/Mft3 |
| 7500 gr/ft3 | = 0.53574827526533 s t/Mft3 |
| 10000 gr/ft3 | = 0.71433103368711 s t/Mft3 |
| 25000 gr/ft3 | = 1.7858275842178 s t/Mft3 |
| 50000 gr/ft3 | = 3.5716551684355 s t/Mft3 |
| 100000 gr/ft3 | = 7.1433103368711 s t/Mft3 |
| 1000000 gr/ft3 | = 71.433103368711 s t/Mft3 |
| 1000000000 gr/ft3 | = 71433.103368711 s t/Mft3 |