MM - Decimal - Fraction Lookup

MillimetersDecimal (inches)Nearest 16thNearest 32ndNearest 64th millimetersDecimal (inches)Nearest 16thNearest 32ndNearest 64th millimetersDecimal (inches)Nearest 16thNearest 32ndNearest 64th millimetersDecimal (inches)Nearest 16thNearest 32ndNearest 64th
10.0394 1/16 1/16 3/64 411.61421 5/8 1 5/8 1 5/8  813.18903 1/4 3 7/323 13/64 1214.76384 13/164 25/324 49/64
20.0787 1/8 3/32 3/32 421.65351 11/161 21/321 21/32 823.22833 1/4 3 1/4 3 15/64 1224.80314 13/164 13/164 13/16
30.1181 1/8 1/8 1/8  431.69291 3/4 1 23/321 45/64 833.26773 5/163 9/323 9/32 1234.84254 7/8 4 27/324 27/32
40.1575 3/16 3/16 11/64 441.73231 3/4 1 3/4 1 47/64 843.30713 5/163 5/163 5/16 1244.88194 15/164 29/324 57/64
50.1969 1/4 7/32 13/64 451.77171 13/161 25/321 25/32 853.34653 3/8 3 3/8 3 23/64 1254.92134 15/164 15/164 59/64
60.2362 1/4 1/4 1/4  461.81101 13/161 13/161 13/16 863.38583 7/163 13/323 25/64 1264.96065 4 31/324 31/32
70.2756 5/16 9/32 9/32 471.85041 7/8 1 7/8 1 55/64 873.42523 7/163 7/163 7/16 1275.00005 5 5
80.3150 3/8 11/32 21/64 481.88981 15/161 29/321 57/64 883.46463 1/2 3 15/323 15/32 1285.03945 1/165 1/165 3/64
90.3543 3/8 3/8 23/64 491.92911 15/161 15/161 15/16 893.50393 9/163 17/323 33/64 1295.07875 1/8 5 3/325 3/32
100.3937 7/16 13/32 13/32 501.96852 1 31/321 31/32 903.54333 9/163 9/163 35/64 1305.11815 1/8 5 1/8 5 1/8
110.4331 7/16 7/16 7/16 512.00792 1/162 1/322 1/64 913.58273 5/8 3 19/323 19/32 1315.15755 3/165 3/165 11/64
120.4724 1/2 1/2 31/64 522.04722 1/162 1/162 1/16 923.62203 5/8 3 5/8 3 5/8  1325.19695 1/4 5 7/325 13/64
130.5118 9/16 17/32 33/64 532.08662 1/8 2 3/322 3/32 933.66143 11/163 11/163 43/64 1335.23625 1/4 5 1/4 5 1/4
140.5512 9/16 9/16 9/16 542.12602 3/162 5/322 9/64 943.70083 3/4 3 23/323 45/64 1345.27565 5/165 9/325 9/32
150.5906 5/8 19/32 19/32 552.16542 3/162 3/162 11/64 953.74023 3/4 3 3/4 3 3/4  1355.31505 3/8 5 11/325 21/64
160.6299 11/16 21/32 41/64 562.20472 1/4 2 7/322 7/32 963.77953 13/163 25/323 25/32 1365.35435 3/8 5 3/8 5 23/64
170.6693 11/16 11/16 43/64 572.24412 1/4 2 1/4 2 1/4  973.81893 7/8 3 27/323 53/64 1375.39375 7/165 13/325 13/32
180.7087 3/4 23/32 23/32 582.28352 5/162 5/162 19/64 983.85833 7/8 3 7/8 3 55/64 1385.43315 7/165 7/165 7/16
190.7480 3/4 3/4 3/4  592.32282 3/8 2 11/322 21/64 993.89763 15/163 29/323 29/32 1395.47245 1/2 5 1/2 5 31/64
200.7874 13/16 13/16 51/64 602.36222 3/8 2 3/8 2 3/8  1003.93703 15/163 15/163 15/16 1405.51185 9/165 17/325 33/64
210.8268 7/8 27/32 53/64 612.40162 7/162 13/322 13/32 1013.97644 4 3 63/64 1415.55125 9/165 9/165 9/16
220.8661 7/8 7/8 7/8  622.44092 1/2 2 15/322 29/64 1024.01574 1/164 1/324 1/32 1425.59065 5/8 5 19/325 19/32
230.9055 15/16 29/32 29/32 632.48032 1/2 2 1/2 2 31/64 1034.05514 1/164 1/164 1/16 1435.62995 11/165 21/325 41/64
240.94491 31/32 61/64 642.51972 9/162 17/322 17/32 1044.09454 1/8 4 1/8 4 7/64 1445.66935 11/165 11/165 43/64
250.98431 1 63/64 652.55912 9/162 9/162 9/16 1054.13394 3/164 5/324 9/64 1455.70875 3/4 5 23/325 23/32
261.02361 1/161 1/321 1/32 662.59842 5/8 2 5/8 2 39/64 1064.17324 3/164 3/164 3/16 1465.74805 3/4 5 3/4 5 3/4
271.06301 1/8 1 3/321 5/64 672.63782 11/162 21/322 41/64 1074.21264 1/4 4 7/324 7/32 1475.78745 13/165 13/165 51/64
281.10241 1/8 1 1/8 1 7/64 682.67722 11/162 11/162 11/16 1084.25204 5/164 9/324 17/64 1485.82685 7/8 5 27/325 53/64
291.14171 3/161 5/321 5/32 692.71652 3/4 2 23/322 23/32 1094.29134 5/164 5/164 19/64 1495.86615 7/8 5 7/8 5 7/8
301.18111 3/161 3/161 3/16 702.75592 13/162 25/322 49/64 1104.33074 3/8 4 11/324 11/32 1505.90555 15/165 29/325 29/32
311.22051 1/4 1 1/4 1 15/64 712.79532 13/162 13/162 51/64 1114.37014 3/8 4 3/8 4 3/8  1515.94496 5 31/325 61/64
321.25981 5/161 9/321 17/64 722.83462 7/8 2 27/322 27/32 1124.40944 7/164 7/164 27/64 1525.98436 6 5 63/64
331.29921 5/161 5/161 5/16 732.87402 7/8 2 7/8 2 7/8  1134.44884 1/2 4 15/324 29/64 1536.02366 1/166 1/326 1/32
341.33861 3/8 1 11/321 11/32 742.91342 15/162 15/162 59/64 1144.48824 1/2 4 1/2 4 1/2  1546.06306 1/8 6 3/326 5/64
351.37801 7/161 13/321 25/64 752.95283 2 31/322 61/64 1154.52764 9/164 17/324 17/32 1556.10246 1/8 6 1/8 6 7/64
361.41731 7/161 7/161 27/64 762.99213 3 3  1164.56694 5/8 4 19/324 37/64 1566.14176 3/166 5/326 5/32
371.45671 1/2 1 15/321 15/32 773.03153 1/163 1/163 3/64 1174.60634 5/8 4 5/8 4 39/64 1576.18116 3/166 3/166 3/16
381.49611 1/2 1 1/2 1 1/2  783.07093 1/8 3 3/323 5/64 1184.64574 11/164 21/324 21/32 1586.22056 1/4 6 1/4 6 15/64
391.53541 9/161 9/161 35/64 793.11023 1/8 3 1/8 3 1/8  1194.68504 11/164 11/164 11/16 1596.25986 5/166 9/326 17/64
401.57481 5/8 1 19/321 37/64 803.14963 3/163 5/323 5/32 1204.72444 3/4 4 3/4 4 47/64 1606.29926 5/166 5/166 5/16
About Monroe

Experience

Over 60 years of manufacturing experience to best serve our customers

Read More >>

Capabilities

Monroe provides custom manufacturing solutions to clients throughout the world

Read More >>

Values

Our knowledge, customer service & processes are structured to reduce delivery times, improve quality & cut costs

Read More >>

Quality

We are ISO 9001:2015 & AS9100D certified and have a customer base in many diverse industries

Read More >>

The information contained in this website is for general information purposes only. The information is provided by Monroe Engineering, LLC, Inc. (Monroe) and while we endeavour to keep the information up-to-date and correct, we make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with respect to the website or the information, products, services, or related graphics contained on the website for any purpose. Any reliance you place on such information is therefore strictly at your own risk. All users should evaluate product suitability for each intended application of that product under actual use conditions. In no event will we be liable for any loss or damage including without limitation, indirect or consequential loss or damage, or any loss or damage whatsoever arising from this information.

How can we help? Submit an RFQ

<