重量（kg）= 直径×直径×0.00668

サイズ（mm）	1m	3m	増値（円）
3	0.06	0.18	200
3.5	0.08	0.25
4	0.11	0.32	140
4.5	0.14	0.41
5	0.17	0.50	70
5.5	0.20	0.61
6	0.24	0.72	50
6.5	0.28	0.85
7	0.33	0.98	40
7.5	0.38	1.13
8	0.43	1.28	30
8.5	0.48	1.45
9	0.54	1.62	25
9.5	0.60	1.81
10	0.67	2.00	20
10.5	0.74	2.21
11	0.81	2.42
12	0.96	2.89	15
12.5	1.04	3.13
13	1.13	3.39
14	1.31	3.93
15	1.50	4.51	10
15.5	1.60	4.81
16	1.71	5.13
17	1.93	5.79
18	2.16	6.49
18.5	2.29	6.86
19	2.41	7.23
19.5	2.54	7.62
20	2.67	8.02	10
20.5	2.81	8.42
21	2.95	8.84
22	3.23	9.70
23	3.53	10.60
24	3.85	11.54
24.5	4.01	12.03
25	4.18	12.53
26	4.52	13.55
27	4.87	14.61
28	5.24	15.71
29	5.62	16.85
30	6.01	18.04	10
31	6.42	19.26
32	6.84	20.52
33	7.27	21.82
34	7.72	23.17
35	8.18	24.55
36	8.66	25.97
37	9.14	27.43
38	9.65	28.94
39	10.16	30.48
40	10.69	32.06	10
41	11.23	33.69
42	11.78	35.35
43	12.35	37.05
44	12.93	38.80
45	13.53	40.58
46	14.13	42.40
47	14.76	44.27
48	15.39	46.17
49	16.04	48.12
50	16.70	50.10	20
51	17.37	52.12
52	18.06	54.19
53	18.76	56.29
54	19.48	58.44
55	20.21	60.62
56	20.95	62.85
57	21.70	65.11
58	22.47	67.41
59	23.25	69.76
60	24.05	72.14	20
61	24.86	74.57
62	25.68	77.03
63	26.51	79.54
64	27.36	82.08
65	28.22	84.67
66	29.10	87.29
67	29.99	89.96
68	30.89	92.66
69	31.80	95.41
70	32.73	98.20	30
75	37.58	112.73
80	42.75	128.26	40
85	48.26	144.79
90	54.11	162.32	50
95	60.29	180.86
100	66.80	200.40	75