2018 Big Ten Conference Leaders Opponent 4th Down Conversions - Games vs. Ranked Teams Only (AP Poll) through 01/07/2019
| Name | G | Attempts | Conversions | Conversion % | |
|---|---|---|---|---|---|
| 1 | Illinois | 3 | 1 | 1 | 100.00 |
| 2 | Michigan State | 5 | 4 | 2 | 50.00 |
| 2 | Iowa | 2 | 4 | 3 | 75.00 |
| 2 | Michigan | 5 | 4 | 3 | 75.00 |
| 5 | Wisconsin | 4 | 5 | 2 | 40.00 |
| 5 | Rutgers | 4 | 5 | 3 | 60.00 |
| 7 | Northwestern | 4 | 6 | 4 | 66.67 |
| 7 | Purdue | 3 | 6 | 4 | 66.67 |
| 9 | Ohio State | 4 | 7 | 2 | 28.57 |
| 9 | Penn State | 4 | 7 | 4 | 57.14 |
| 11 | Indiana | 4 | 8 | 5 | 62.50 |
| 11 | Maryland | 5 | 8 | 5 | 62.50 |
| 11 | Minnesota | 4 | 8 | 5 | 62.50 |
| 11 | Nebraska | 4 | 8 | 5 | 62.50 |