分?jǐn)?shù)(英寸) | 小數(shù)(英寸) | 俗稱 | 公制(mm) | 1/64 | 0.015625 | -- | 0.3969 | 1/32 | 0.031250 | 2厘半 | 0.7937 | 3/64 | 0.046875 | -- | 1.1906 | 1/16 | 0.062500 | 5厘 | 1.5875 | 5/64 | 0.78125 | -- | 1.9844 | 3/32 | 0.093750 | 7厘半 | 2.3812 | 7/64 | 0.109375 | -- | 2.7781 | 1/8 | 0.125000 | 1分 | 3.1750 | 9/64 | 0.140625 | -- | 3.5719 | 5/32 | 0.156250 | 1分2厘半 | 3.9687 | 11/64 | 0.171875 | -- | 5.9531 | 3/16 | 0.187500 | 1分半 | 4.7625 | 13/64 | 0.203125 | -- | 5.1594 | 7/32 | 0.219750 | 1分7厘半 | 5.5562 | 15/64 | 0.234375 | -- | 5.9531 | 1/4 | 0.250000 | 2分 | 6.3500 | 17/64 | 0.265625 | -- | 6.7469 | 9/32 | 0.281250 | 2分2厘半 | 7.1437 | 19/64 | 0.296875 | -- | 7.5406 | 5/16 | 0.312500 | 2分半 | 7.9375 | 21/64 | 0.328125 | -- | 8.3344 | 11/32 | 0.343750 | 2分7厘半 | 8.7312 | 23/64 | 0.359375 | -- | 9.1284 | 3/8 | 0.525000 | 3厘 | 9.5250 | 25/64 | 0.390625 | -- | 9.9219 | 13/32 | 0.406250 | 3分2厘半 | 10.3187 | 27/64 | 0.421875 | -- | 10.7156 | 7/16 | 0.437500 | 3分半 | 11.1125 | 29/64 | 0.453125 | -- | 11.5094 | 15/32 | 0.468750 | 3分7厘半 | | 31/64 | 0.454375 | -- | 12.3031 | 1/2 | 0.500000 | 4分 | 12.7000 |
| 分?jǐn)?shù)(英寸) | 小數(shù)(英寸) | 俗稱 | 公制(cm) | 33/64 | 0.515625 | -- | 13.0969 | 17/32 | 0.531250 | 4分2厘半 | 13.4937 | 35/64 | 0.546875 | -- | 13.8906 | 9/16 | 0.562500 | 4分半 | 14.2875 | 37/64 | 0.578125 | -- | 14.6844 | 19/32 | 0.293750 | 4分7厘半 | 15.0812 | 39/64 | 0.609375 | -- | 15.4781 | 5/8 | 0.625000 | 5分 | 15.8750 | 41/64 | 0.640625 | -- | 16.2719 | 21/32 | 0.656250 | 5分2厘半 | 16.6687 | 43/64 | 0.671875 | -- | 17.0656 | 11/16 | 0.687500 | 5分半 | 17.4625 | 45/64 | 0.703125 | -- | 17.8594 | 23/32 | 0.718750 | 5分7厘半 | 18.2562 | 47/64 | 0.734375 | -- | 18.6531 | 3/4 | 0.750000 | 6分 | 19.0500 | 49/64 | 0.765625 | -- | 19.4469 | 25/32 | 0.781250 | 6分2厘半 | 79.8437 | 51/64 | 0.796875 | -- | 20.2406 | 13/16 | 0.812500 | 6分半 | 20.6375 | 53/64 | 0.828125 | -- | 21.0344 | 27/32 | 0.843750 | 6分7厘半 | 21.4312 | 55/64 | 0.859375 | -- | 21.8281 | 7/8 | 0.875000 | 7分 | 22.2250 | 57/64 | 0.890625 | -- | 21.0344 | 29/32 | 0.906250 | 7分2厘半 | 23.0187 | 59/64 | 0.921875 | -- | 23.4156 | 15/16 | 0.937500 | 7分半 | 23.8125 | 61/64 | 0.953125 | -- | 24.2094 | 31/32 | 0.968750 | 7分7厘半 | 24.6062 | 63/64 | 0.984375 | -- | 25.0031 | 1 | 1.0000 | 8分 | 25.40000 |
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