2018 Iowa State Cyclones Fourth Down Conversion Defense Split Stats through 01/07/2019
| Split | G | Attempts | Conversions | Conversion % |
|---|---|---|---|---|
| All Games | 13 | 18 | 9 | 50.00 |
| at Home | 7 | 9 | 5 | 55.56 |
| on Road/Neutral Site | 6 | 9 | 4 | 44.44 |
| in Wins | 8 | 16 | 7 | 43.75 |
| in Losses | 5 | 2 | 2 | 100.00 |
| vs. Conference | 9 | 17 | 9 | 52.94 |
| vs. Non-Conference | 4 | 1 | 0 | 0.00 |
| vs. Ranked (AP) | 5 | 0 | 0 | - |
| vs. Unranked (AP) | 8 | 18 | 9 | 50.00 |
| vs. FBS (I-A) | 12 | 18 | 9 | 50.00 |
| vs. FCS (I-AA) | 1 | 0 | 0 | - |
| vs. FBS Winning | 8 | 9 | 6 | 66.67 |
| vs. FBS Non-Winning | 4 | 9 | 3 | 33.33 |
| vs. FBS Power 5 | 11 | 17 | 9 | 52.94 |
| vs. FBS non-Power 5 | 1 | 1 | 0 | 0.00 |
| in August/September | 4 | 3 | 2 | 66.67 |
| in October | 3 | 3 | 2 | 66.67 |
| in November | 4 | 12 | 5 | 41.67 |
| in December/January | 2 | 0 | 0 | - |