トワドル、ボーメと比重の関係
| Tw | Bé | 比重 |
| 0 | 0.0 | 1.000 |
| 1 | 0.7 | 1.005 |
| 2 | 1.4 | 1.010 |
| 3 | 2.1 | 1.015 |
| 4 | 2.7 | 1.020 |
| 5 | 3.4 | 1.025 |
| 6 | 4.1 | 1.030 |
| 7 | 4.7 | 1.035 |
| 8 | 5.4 | 1.040 |
| 9 | 6.0 | 1.045 |
| 10 | 6.7 | 1.050 |
| 11 | 7.4 | 1.055 |
| 12 | 8.0 | 1.060 |
| 13 | 8.7 | 1.065 |
| 14 | 9.4 | 1.070 |
| 15 | 10.0 | 1.075 |
| 16 | 10.6 | 1.080 |
| 17 | 11.2 | 1.085 |
| 18 | 11.9 | 1.090 |
| 19 | 12.4 | 1.095 |
| 20 | 13.0 | 1.100 |
| 21 | 13.6 | 1.105 |
| 22 | 14.2 | 1.110 |
| 23 | 14.9 | 1.115 |
| 24 | 15.4 | 1.120 |
| 25 | 16.0 | 1.125 |
| 26 | 16.5 | 1.130 |
| 27 | 17.1 | 1.135 |
| 28 | 17.7 | 1.140 |
| 29 | 18.3 | 1.145 |
| 30 | 18.8 | 1.150 |
| 31 | 19.3 | 1.155 |
| 32 | 19.8 | 1.160 |
| 33 | 20.3 | 1.165 |
| 34 | 20.9 | 1.170 |
| 35 | 21.4 | 1.175 |
| 36 | 22.0 | 1.180 |
| 37 | 22.5 | 1.185 |
| 38 | 23.0 | 1.190 |
| 39 | 23.5 | 1.195 |
| 40 | 24.0 | 1.200 |
| 41 | 24.5 | 1.205 |
| 42 | 25.0 | 1.210 |
| 43 | 25.5 | 1.215 |
| Tw | Bé | 比重 |
| 44 | 26.0 | 1.220 |
| 45 | 26.4 | 1.225 |
| 46 | 26.9 | 1.230 |
| 47 | 27.4 | 1.235 |
| 48 | 27.9 | 1.240 |
| 49 | 28.4 | 1.245 |
| 50 | 28.8 | 1.250 |
| 51 | 29.3 | 1.255 |
| 52 | 29.7 | 1.260 |
| 53 | 30.2 | 1.265 |
| 54 | 30.6 | 1.270 |
| 55 | 31.1 | 1.275 |
| 56 | 31.5 | 1.280 |
| 57 | 32.0 | 1.285 |
| 58 | 32.4 | 1.290 |
| 59 | 32.8 | 1.295 |
| 60 | 33.8 | 1.300 |
| 61 | 33.7 | 1.305 |
| 62 | 34.2 | 1.310 |
| 63 | 34.6 | 1.315 |
| 64 | 35.0 | 1.320 |
| 65 | 35.4 | 1.325 |
| 66 | 35.8 | 1.330 |
| 67 | 36.2 | 1.335 |
| 68 | 36.6 | 1.340 |
| 69 | 37.0 | 1.345 |
| 70 | 37.4 | 1.350 |
| 71 | 37.8 | 1.355 |
| 72 | 38.2 | 1.360 |
| 73 | 38.6 | 1.365 |
| 74 | 39.0 | 1.370 |
| 75 | 39.4 | 1.375 |
| 76 | 39.8 | 1.380 |
| 77 | 40.1 | 1.385 |
| 78 | 40.5 | 1.390 |
| 79 | 40.8 | 1.395 |
| 80 | 41.2 | 1.400 |
| 81 | 41.6 | 1.405 |
| 82 | 42.0 | 1.410 |
| 83 | 42.3 | 1.415 |
| 84 | 42.7 | 1.420 |
| 85 | 43.1 | 1.425 |
| 86 | 43.4 | 1.430 |
| 87 | 43.8 | 1.435 |
| Tw | Bé | 比重 |
| 88 | 44.1 | 1.440 |
| 89 | 44.4 | 1.445 |
| 90 | 44.8 | 1.450 |
| 91 | 45.1 | 1.455 |
| 92 | 45.4 | 1.460 |
| 93 | 45.8 | 1.465 |
| 94 | 46.1 | 1.470 |
| 95 | 46.4 | 1.475 |
| 96 | 46.8 | 1.480 |
| 97 | 47.1 | 1.485 |
| 98 | 47.4 | 1.490 |
| 99 | 47.8 | 1.495 |
| 100 | 48.1 | 1.500 |
| 101 | 48.4 | 1.505 |
| 102 | 48.7 | 1.510 |
| 103 | 49.0 | 1.515 |
| 104 | 49.4 | 1.520 |
| 105 | 49.7 | 1.525 |
| 106 | 50.0 | 1.530 |
| 107 | 50.3 | 1.535 |
| 108 | 50.6 | 1.540 |
| 109 | 50.9 | 1.545 |
| 110 | 51.2 | 1.550 |
| 111 | 51.5 | 1.555 |
| 112 | 51.8 | 1.560 |
| 113 | 52.1 | 1.565 |
| 114 | 52.4 | 1.570 |
| 115 | 52.7 | 1.575 |
| 116 | 53.0 | 1.580 |
| 117 | 53.3 | 1.585 |
| 118 | 53.6 | 1.590 |
| 119 | 53.9 | 1.595 |
| 120 | 54.1 | 1.600 |
| 121 | 54.4 | 1.605 |
| 122 | 54.7 | 1.610 |
| 123 | 55.0 | 1.615 |
| 124 | 55.2 | 1.620 |
| 125 | 55.5 | 1.625 |
| 126 | 55.8 | 1.630 |
| 127 | 56.0 | 1.635 |
| 128 | 56.3 | 1.640 |
| 129 | 56.6 | 1.645 |
| 130 | 56.9 | 1.650 |
| 131 | 57.1 | 1.655 |
| Tw | Bé | 比重 |
| 132 | 57.4 | 1.660 |
| 133 | 57.7 | 1.665 |
| 134 | 57.9 | 1.670 |
| 135 | 58.2 | 1.675 |
| 136 | 58.4 | 1.680 |
| 137 | 58.7 | 1.685 |
| 138 | 58.9 | 1.690 |
| 139 | 59.2 | 1.695 |
| 140 | 59.5 | 1.700 |
| 141 | 59.7 | 1.705 |
| 142 | 60.0 | 1.710 |
| 143 | 60.2 | 1.715 |
| 144 | 60.4 | 1.720 |
| 145 | 60.6 | 1.725 |
| 146 | 60.9 | 1.730 |
| 147 | 61.1 | 1.735 |
| 148 | 61.4 | 1.740 |
| 149 | 61.6 | 1.745 |
| 150 | 61.8 | 1.750 |
| 151 | 62.1 | 1.755 |
| 152 | 62.3 | 1.760 |
| 153 | 62.5 | 1.765 |
| 154 | 62.8 | 1.770 |
| 155 | 63.0 | 1.775 |
| 156 | 63.2 | 1.780 |
| 157 | 63.5 | 1.785 |
| 158 | 63.7 | 1.790 |
| 159 | 64.0 | 1.795 |
| 160 | 64.2 | 1.800 |
| 161 | 64.4 | 1.805 |
| 162 | 64.6 | 1.810 |
| 163 | 64.8 | 1.815 |
| 164 | 65.0 | 1.820 |
| 165 | 65.2 | 1.825 |
| 166 | 65.5 | 1.830 |
| 167 | 65.7 | 1.835 |
| 168 | 65.9 | 1.840 |
| 169 | 66.1 | 1.845 |
| 170 | 66.3 | 1.850 |
| 171 | 66.5 | 1.855 |
| 172 | 66.7 | 1.860 |
| 173 | 67.0 | 1.865 |