2018 Iowa Hawkeyes Fourth Down Conversion Defense Split Stats through 01/07/2019
| Split | G | Attempts | Conversions | Conversion % |
|---|---|---|---|---|
| All Games | 13 | 25 | 11 | 44.00 |
| at Home | 7 | 9 | 6 | 66.67 |
| on Road/Neutral Site | 6 | 16 | 5 | 31.25 |
| in Wins | 9 | 19 | 6 | 31.58 |
| in Losses | 4 | 6 | 5 | 83.33 |
| vs. Conference | 9 | 20 | 10 | 50.00 |
| vs. Non-Conference | 4 | 5 | 1 | 20.00 |
| vs. Ranked (AP) | 2 | 4 | 3 | 75.00 |
| vs. Unranked (AP) | 11 | 21 | 8 | 38.10 |
| vs. FBS (I-A) | 12 | 24 | 11 | 45.83 |
| vs. FCS (I-AA) | 1 | 1 | 0 | 0.00 |
| vs. FBS Winning | 7 | 10 | 4 | 40.00 |
| vs. FBS Non-Winning | 5 | 14 | 7 | 50.00 |
| vs. FBS Power 5 | 11 | 23 | 11 | 47.83 |
| vs. FBS non-Power 5 | 1 | 1 | 0 | 0.00 |
| in August/September | 4 | 3 | 0 | 0.00 |
| in October | 4 | 6 | 1 | 16.67 |
| in November | 4 | 14 | 9 | 64.29 |
| in December/January | 1 | 2 | 1 | 50.00 |