The Houston Cougars have the most third-down conversions by a team in a season, with 118 conversions in 2015.

	TEAM	3DWN CONV	SEASON	3DWN ATT	3DWN%	4DWN CONV	4DWN ATT	4DWN%	GP	W	L	T	TD	PTS	PPG	OPP PTS	OPP PPG	1DWN
1	Houston	118	2015	233	50.6	13	26	50.0	14	13	1	0	75	566	40.4	290	20.7	332
2	Alabama	117	2021	224	52.2	9	17	52.9	15	13	2	0	75	598	39.9	302	20.1	367
3	Clemson	117	2016	233	50.2	16	26	61.5	15	14	1	0	78	588	39.2	270	18.0	405
4	Wake Forest	113	2021	228	49.6	13	21	61.9	14	11	3	0	72	574	41.0	404	28.9	354
5	Boise State	112	2018	220	50.9	13	23	56.5	14	10	4	0	64	476	34.0	306	21.9	336
6	Army	112	2018	196	57.1	31	36	86.1	13	11	2	0	56	426	32.8	230	17.7	286
7	Clemson	110	2015	232	47.4	9	15	60.0	15	14	1	0	71	577	38.5	325	21.7	395
8	Houston	109	2016	233	46.8	19	30	63.3	13	9	4	0	59	466	35.8	305	23.5	319
9	Northern Illinois	109	2014	226	48.2	8	14	57.1	14	11	3	0	56	441	31.5	359	25.6	325
10	Wake Forest	108	2019	230	47.0	8	18	44.4	13	8	5	0	49	414	31.8	378	29.1	308
11	Texas Tech	106	2015	204	52.0	11	23	47.8	13	7	6	0	77	586	45.1	567	43.6	369
12	Washington	104	2022	183	56.8	16	28	57.1	13	11	2	0	65	516	39.7	336	25.8	354
13	Colorado	104	2016	236	44.1	8	19	42.1	14	10	4	0	55	435	31.1	304	21.7	328
14	Bowling Green	104	2015	210	49.5	17	31	54.8	14	10	4	0	82	591	42.2	405	28.9	393
15	Alabama	103	2014	200	51.5	10	13	76.9	14	12	2	0	68	517	36.9	258	18.4	356
16	Ohio State	103	2014	198	52.0	13	22	59.1	15	14	1	0	90	672	44.8	330	22.0	408
17	Texas Tech	102	2024	210	48.6	14	29	48.3	13	8	5	0	60	489	37.6	453	34.8	319
18	Western Michigan	102	2016	189	54.0	15	17	88.2	14	13	1	0	75	582	41.6	277	19.8	355
19	Memphis	102	2015	210	48.6	10	18	55.6	13	9	4	0	64	522	40.2	355	27.3	325
20	UNLV	101	2023	206	49.0	9	20	45.0	14	9	5	0	58	482	34.4	400	28.6	286
21	Clemson	101	2022	212	47.6	6	12	50.0	14	11	3	0	57	465	33.2	292	20.9	320
22	Ohio State	101	2019	183	55.2	8	13	61.5	14	13	1	0	88	656	46.9	192	13.7	397
23	Clemson	101	2017	218	46.3	13	18	72.2	14	12	2	0	62	466	33.3	190	13.6	310
24	Texas Tech	101	2016	196	51.5	11	25	44.0	12	5	7	0	70	524	43.7	522	43.5	362
25	Air Force	100	2016	197	50.8	8	15	53.3	13	10	3	0	56	457	35.2	341	26.2	301