Catfish: Weight Chart

Catch a big Missouri catfish? Use this chart to estimate how much a blue or flathead catfish weighs.

Catfish length-weight chart
Total Length (inches) from the tip of the mouth to the end of the tail; mouth closed and tail lobes pressed together	Blue Catfish Anticipated Weight (pounds)	Flathead catfish Anticipated Weight (pounds)
15.0	1.04	1.37
15.5	1.16	1.52
16.0	1.29	1.68
16.5	1.43	1.85
17.0	1.58	2.03
17.5	1.75	2.22
18.0	1.92	2.42
18.5	2.10	2.64
19.0	2.30	2.87
19.5	2.51	3.11
20.0	2.73	3.37
20.5	2.97	3.64
21.0	3.22	3.93
21.5	3.48	4.22
22.0	3.76	4.54
22.5	4.05	4.87
23.0	4.36	5.22
23.5	4.69	5.58
24.0	5.03	5.96
24.5	5.39	6.36
25.0	5.77	6.77
25.5	6.16	7.20
26.0	6.58	7.65
26.5	7.01	8.12
27.0	7.46	8.61
27.5	7.94	9.12
28.0	8.43	9.65
28.5	8.94	10.20
29.0	9.48	10.77
29.5	10.04	11.36
30.0	10.62	11.98
30.5	11.23	12.61
31.0	11.86	13.27
31.5	12.51	13.95
32.0	13.19	14.65
32.5	13.89	15.38
33.0	14.62	16.13
33.5	15.37	16.91
34.0	16.16	17.71
34.5	16.96	18.54
35.0	17.80	19.39
35.5	18.67	20.27
36.0	19.56	21.18
36.5	20.49	22.11
37.0	21.45	23.08
37.5	22.43	24.06
38.0	23.45	25.08
38.5	24.50	26.13
39.0	25.58	27.21
39.5	26.70	28.31
40.0	27.85	29.45
40.5	29.03	30.61
41.0	30.25	31.81
41.5	31.50	33.04
42.0	32.79	34.30
42.5	34.12	35.59
43.0	35.48	36.92
43.5	36.88	38.28
44.0	38.32	39.67
44.5	39.80	41.10
45.0	41.32	42.56
45.5	42.87	44.06
46.0	44.47	45.59
46.5	46.11	47.16
47.0	47.80	48.76
47.5	49.52	50.40
48.0	51.29	52.08
48.5	53.10	53.80
49.0	54.96	55.55
49.5	56.86	57.34
50.0	58.81	59.17
50.5	60.80	61.04
51.0	62.84	62.95
51.5	64.93	64.90
52.0	67.06	66.90
52.5	69.25	68.93
53.0	71.48	71.00
53.5	73.77	73.12
54.0	76.10	75.28
54.5	78.49	77.48
55.0	80.93	79.72
55.5	83.42	82.01
56.0	85.96	84.34
56.5	88.56	86.72
57.0	91.21	89.15
57.5	93.92	91.61
58.0	96.69	94.13
58.5	99.51
59.0	102.38
59.5	105.32
60.0	108.31

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