METRIC EQUIVALENTS AND CONVERSIONS
Chart works left-to-right or right-to-left: • Convert inch to millimeter, multiply inch value by 25.4 • Convert millimeter to inch, multiply mm value by 0.03937
Metric Equivalents Inches Millimeters Inches Millimeters 1 25.4 34 863.6 2 50.8 35 889.0 3 76.2 36 914.4 4 101.6 37 939.8 5 127.0 38 965.2 6 152.4 39 990.6 7 177.8 40 1016.0 8 203.2 41 1041.4 9 228.6 42 1066.8 10 254.0 43 1092.2 11 279.4 44 1117.6 12 304.8 45 1143.0 13 330.2 46 1168.4 14 355.6 47 1193.8 15 381.0 48 1219.2 16 406.4 49 1244.6 17 431.8 50 1270.0 18 457.2 51 1295.4 19 482.6 52 1320.8 20 508.0 53 1346.2 21 533.4 54 1371.6 22 558.8 55 1397.0 23 584.2 56 1422.4 24 609.6 57 1447.8 25 635.0 58 1473.2 26 660.4 59 1498.6 27 685.8 60 1524.0 28 711.2 61 1549.4 29 736.6 62 1574.8 30 762.0 63 1600.2 31 787.4 64 1625.6 32 812.8 65 1651.0 33 838.2 66 1676.4
Conversions
FROM
TO
Multiply By 0.03937
Multiply By
TO
FROM
inch inch 2 inch 3
millimeter millimeter 2 centimeter 3
25.4
645.16 16.3871 3.7854 28.3495 0.4545 0.0160 6.8948 0.0703
0.0016
0.061
0.2642 0.03527
gallon (U.S.)
liter
oz.
gram
2.2
pound lbs./ft 3
kilogram
g/cm 3
62.43 0.145
psi psi
kPa
14.2247
kg/cm 2
Metric Equivalents
Inches
Millimeters 0.396875 0.793750 1.190625 1.587500 1.984375 2.381250 2.778125 3.175000 3.571875 3.968750 4.365625 4.762500 5.159375 5.556250 5.953125 6.350000 6.746875 7.143750 7.540625 7.937500 8.334375 8.731250 9.128125 9.525000 9.921875 10.318750 10.715625 11.112500 11.509375 11.906250 12.303125 12.700000
Inches
Millimeters 13.096875 13.493750 13.890625 14.287500 14.684375 15.081250 15.478125 15.875000 16.271875 16.668750 17.065625 17.462500 17.859375 18.256250 18.653125 19.050000 19.446875 19.843750 20.240625 20.637500 21.034375 21.431250 21.828125 22.225000 22.621875 23.018750 23.415625 23.812500 24.209375 24.606250 25.003125 25.400000
1/64 1/32 3/64 1/16 5/64 3/32 7/64
0.015625 0.031250 0.046875 0.062500 0.078125 0.093750 0.109375 0.125000 0.140625 0.156250 0.171875 0.187500 0.203125 0.218750 0.234375 0.250000 0.265625 0.281250 0.296875 0.312500 0.328125 0.343750 0.359375 0.375000 0.390625 0.406250 0.421875 0.437500 0.453125 0.468750 0.484375 0.500000
33/64 17/32 35/64
0.515625 0.531250 0.546875 0.562500 0.578125 0.593750 0.609375 0.625000 0.640625 0.656250 0.671875 0.687500 0.703125 0.718750 0.734375 0.750000 0.765625 0.781250 0.796875 0.812500 0.828125 0.843750 0.859375 0.875000 0.890625 0.906250 0.921875 0.937500 0.953125 0.968750 0.984375 1.000000
9/16
37/64 19/32 39/64
1/8
5/8
9/64 5/32
41/64 21/32 43/64 11/16 45/64 23/32 47/64
11/64
3/16
13/64
7/32
15/64
1/4
3/4
17/64
49/64 25/32 51/64 13/16 53/64 27/32 55/64
9/32
19/64
5/16
21/64 11/32 23/64
3/8
7/8
25/64 13/32 27/64
57/64 29/32 59/64 15/16 61/64 31/32 63/64
7/16
29/64 15/32 31/64
1/2
1
100
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