Example: To convert 5 pound-force square second/foot to tonne, multiply 5 by 68.521765856792 to get 342.6088 t (3.4261e+2 t).
| lbf·s²/ft | t |
|---|---|
| 2 lbf·s²/ft | 137.0435 t (1.3704e+2 t) |
| 3 lbf·s²/ft | 205.5653 t (2.0557e+2 t) |
| 4 lbf·s²/ft | 274.0871 t (2.7409e+2 t) |
| 5 lbf·s²/ft | 342.6088 t (3.4261e+2 t) |
| 6 lbf·s²/ft | 411.1306 t (4.1113e+2 t) |
| 7 lbf·s²/ft | 479.6524 t (4.7965e+2 t) |
| 8 lbf·s²/ft | 548.1741 t (5.4817e+2 t) |
| 9 lbf·s²/ft | 616.6959 t (6.1670e+2 t) |
| 10 lbf·s²/ft | 685.2177 t (6.8522e+2 t) |
| 11 lbf·s²/ft | 753.7394 t (7.5374e+2 t) |
| 12 lbf·s²/ft | 822.2612 t (8.2226e+2 t) |
| 13 lbf·s²/ft | 890.783 t (8.9078e+2 t) |
| 14 lbf·s²/ft | 959.3047 t (9.5930e+2 t) |
| 15 lbf·s²/ft | 1027.8265 t (1.0278e+3 t) |
| 16 lbf·s²/ft | 1096.3483 t (1.0963e+3 t) |