2018 Iowa Hawkeyes Third Down Conversion Defense Split Stats through 01/07/2019
| Split | G | Attempts | Conversions | Conversion % |
|---|---|---|---|---|
| All Games | 13 | 181 | 62 | 34.25 |
| at Home | 7 | 98 | 37 | 37.76 |
| on Road/Neutral Site | 6 | 83 | 25 | 30.12 |
| in Wins | 9 | 122 | 38 | 31.15 |
| in Losses | 4 | 59 | 24 | 40.68 |
| vs. Conference | 9 | 124 | 44 | 35.48 |
| vs. Non-Conference | 4 | 57 | 18 | 31.58 |
| vs. Ranked (AP) | 2 | 33 | 11 | 33.33 |
| vs. Unranked (AP) | 11 | 148 | 51 | 34.46 |
| vs. FBS (I-A) | 12 | 167 | 56 | 33.53 |
| vs. FCS (I-AA) | 1 | 14 | 6 | 42.86 |
| vs. FBS Winning | 7 | 101 | 33 | 32.67 |
| vs. FBS Non-Winning | 5 | 66 | 23 | 34.85 |
| vs. FBS Power 5 | 11 | 155 | 53 | 34.19 |
| vs. FBS non-Power 5 | 1 | 12 | 3 | 25.00 |
| in August/September | 4 | 54 | 20 | 37.04 |
| in October | 4 | 47 | 16 | 34.04 |
| in November | 4 | 63 | 21 | 33.33 |
| in December/January | 1 | 17 | 5 | 29.41 |