Таблица перевода дюймовых размеров в метрические

Дюймовый размер обозначается дробью и означает количество долей дюйма (1 дюйм (inch)= 25,4 мм), где вверху дроби (числителе) стоит часть количества, а внизу дроби (знаменателе) – количество долей дюйма. К примеру, 1/2" – одна вторая дюйма, 7/8" – семь восьмых дюйма и т.д. Дюймовая размерность в основном применяется на крепеже деталей и узлов механизмов автомобилей американского производства.

дюйм = мм	дюйм = мм	дюйм = мм	дюйм = мм	дюйм = мм
1/32 = 0.7938 1/16 = 1.5875 3/32 = 2.3812	1-1/32 = 26.1938 1-1/16 = 26.9875 1-3/32 = 27.7812	2-1/32 = 51.5938 2-1/16 = 52.3875 2-3/32 = 53.1812	3-1/32 = 76.9938 3-1/16 = 77.7875 3-3/32 = 78.5812	4-1/32 = 102.3938 4-1/16 = 103.1875 4-3/32 = 103.9812
1/8 = 3.1750 5/32 = 3.9688 3/16 = 4.7625	1-1/8 = 28.5750 1-5/32 = 29.3688 1-3/16 = 30.1625	2-1/8 = 53.9750 2-5/32 = 54.7688 2-3/16 = 55.5625	3-1/8 = 79.3750 3-5/32 = 80.1688 3-3/16 = 80.9625	4-1/8 = 104.7750 4-5/32 = 105.5688 4-3/16 = 106.3625
7/32 = 5.5562 1/4 = 6.3500 9/32 = 7.1438	1-7/32 = 30.9562 1-1/4 = 31.7500 1-9/32 = 32.5438	2-7/32 = 56.3562 2-1/4 = 57.1500 2-9/32 = 57.9438	3-7/32 = 81.7562 3-1/4 = 82.5500 3-9/32 = 83.3438	4-7/32 = 107.1562 4-1/4 = 107.9500 4-9/32 = 108.7438
5/16 = 7.9375 11/32 = 8.7312 3/8 = 9.5250	1-5/16 = 33.3375 1-11/32 = 34.1312 1-3/8 = 34.9250	2-5/16 = 58.7375 2-11/32 = 59.5312 2-3/8 = 60.3250	3-5/16 = 84.1375 3-11/32 = 84.9312 3-3/8 = 85.7250	4-5/16 = 109.5375 4-11/32 = 110.3312 4-3/8 = 111.1250
13/32 = 10.3188 7/16 = 11.1125 15/32 = 11.9062	1-13/32 = 35.7188 1-7/16 = 36.5125 1-15/32 = 37.3062	2-13/32 = 61.1188 2-7/16 = 61.9125 2-15/32 = 62.7062	3-13/32 = 86.5188 3-7/16 = 87.3125 3-15/32 = 88.1062	4-13/32 = 111.9188 4-7/16 = 112.7125 4-15/32 = 113.5062
1/2 = 12.7000 17/32 = 13.4938 9/16 = 14.2875	1-1/2 = 38.1000 1-17/32 = 38.8938 1-9/16 = 39.6875	2-1/2 = 63.5000 2-17/32 = 64.2938 2-9/16 = 65.0875	3-1/2 = 88.9000 3-17/32 = 89.6938 3-9/16 = 90.4875	4-1/2 = 114.3000 4-17/32 = 115.0938 4-9/16 = 115.8875
19/32 = 15.0812 5/8 = 15.8750 21/32 = 16.6688	1-19/32 = 40.4812 1-5/8 = 41.2750 1-21/32 = 42.0688	2-19/32 = 65.8812 2-5/8 = 66.6750 2-21/32 = 67.4688	3-19/32 = 91.2812 3-5/8 = 92.0750 3-21/32 = 92.8688	4-19/32 = 116.6812 4-5/8 = 117.4750 4-21/32 = 118.2688
11/16 = 17.4625 23/32 = 18.2562 3/4 = 19.0500	1-11/16 = 42.8625 1-23/32 = 43.6562 1-3/4 = 44.4500	2-11/16 = 68.2625 2-23/32 = 69.0562 2-3/4 = 69.8500	3-11/16 = 93.6625 3-23/32 = 94.4562 3-3/4 = 95.2500	4-11/16 = 119.0625 4-23/32 = 119.8562 4-3/4 = 120.4500
25/32 = 19.8438 13/16 = 20.6375 27/32 = 21.4312	1-25/32 = 45.2438 1-13/16 = 46.0375 1-27/32 = 46.8312	2-25/32 = 70.6438 2-13/16 = 71.4375 2-27/32 = 72.2312	3-25/32 = 96.0438 3-13/16 = 96.8375 3-27/32 = 97.6312	4-25/32 = 121.4438 4-13/16 = 122.2375 4-27/32 = 123.0312
7/8 = 22.2250 29/32 = 23.0188 15/16 = 23.8125	1-7/8 = 47.6250 1-29/32 = 48.4188 1-15/16 = 49.2125	2-7/8 = 73.0250 2-29/32 = 73.8188 2-15/16 = 74.6125	3-7/8 = 98.4250 3-29/32 = 99.2188 3-15/16 = 100.0125	4-7/8 = 123.8250 4-29/32 = 124.6188 4-15/16 = 125.4125
31/32 = 24.6062 1 = 25.4000	1-31/32 = 50.0062 2 = 50.8000	2-31/32 = 75.4062 3 = 76.2000	3-31/32 = 100.8062 4 = 101.6000	4-31/32 = 126.2062 5 = 127.0000