The DB Export NZ Fishing Competition - Length-Weight Calc

The following table gives an estimate of weight based on length measurements for an average conditioned fish.

Kingfish		Snapper		Trevally		Kahawai
cm	kg	cm	kg	cm	kg	cm	kg
75	5.42	30	0.61	25	0.31	25	0.26
76	5.64	31	0.67	26	0.35	26	0.29
77	5.86	32	0.73	27	0.39	27	0.32
78	6.09	33	0.79	28	0.44	28	0.36
79	6.33	34	0.85	29	0.48	29	0.40
80	6.57	35	0.92	30	0.54	30	0.44
81	6.82	36	1.00	31	0.59	31	0.48
82	7.08	37	1.07	32	0.65	32	0.53
83	7.34	38	1.16	33	0.72	33	0.57
84	7.61	39	1.24	34	0.79	34	0.63
85	7.88	40	1.33	35	0.86	35	0.68
86	8.16	41	1.43	36	0.94	36	0.74
87	8.45	42	1.52	37	1.02	37	0.80
88	8.74	43	1.63	38	1.11	38	0.86
89	9.04	44	1.74	39	1.20	39	0.93
90	9.35	45	1.85	40	1.30	40	1.00
91	9.66	46	1.96	41	1.40	41	1.07
92	9.99	47	2.09	42	1.51	42	1.15
93	10.31	48	2.21	43	1.62	43	1.23
94	10.65	49	2.34	44	1.74	44	1.32
95	10.99	50	2.48	45	1.86	45	1.41
96	11.34	51	2.62	46	1.99	46	1.50
97	11.70	52	2.76	47	2.13	47	1.59
98	12.07	53	2.92	48	2.27	48	1.69
99	12.44	54	3.07	49	2.42	49	1.80
100	12.82	55	3.23	50	2.57	50	1.91
101	13.21	56	3.40	51	2.73	51	2.02
102	13.60	57	3.57	52	2.90	52	2.13
103	14.00	58	3.75	53	3.07	53	2.26
104	14.42	59	3.93	54	3.25	54	2.38
105	14.83	60	4.12	55	3.44	55	2.51
106	15.26	61	4.32	56	3.64	56	2.64
107	15.70	62	4.52	57	3.84	57	2.78
108	16.14	63	4.72	58	4.05	58	2.93
109	16.59	64	4.93	59	4.27	59	3.07
110	17.05	65	5.15	60	4.49	60	3.23
111	17.52	66	5.38	61	4.73	61	3.38
112	18.00	67	5.61	62	4.97	62	3.55
113	18.48	68	5.84	63	5.22	63	3.72
114	18.98	69	6.09	64	5.47	64	3.89
115	19.48	70	6.33	65	5.74	65	4.07
116	19.99	71	6.59	66	6.02
117	20.52	72	6.85	67	6.30
118	21.05	73	7.12	68	6.59
119	21.58	74	7.40	69	6.89
120	22.13	75	7.68	70	7.20
121	22.69	76	7.97	71	7.52
122	23.26	77	8.26	72	7.85
123	23.83	78	8.56	73	8.19
124	24.42	79	8.87	74	8.54
125	25.01	80	9.19	75	8.90