Decimal Equivalents

1/8
1/4
3/8
1/2
FRACTIONS OF
ONE INCH
DECIMAL
EQUIV.
(in)
METRIC
EQUIV.
(mm)
8
ths
16
ths
32
ths
64
ths
      1 0.015625 0.396875
    1 2 0.031250 0.793750
        0.039370 1.000000
      3 0.046875 1.190625
  1 2 4 0.062500 1.587500
      5 0.078125 1.984375
        0.078740 2.000000
    3 6 0.093750 2.381250
      7 0.109375 2.778125
        0.118110 3.000000
1 2 4 8 0.125000 3.175000
      9 0.140625 3.571875
    5 10 0.156250 3.968750
        0.157480 4.000000
      11 0.171875 4.365625
  3 6 12 0.187500 4.762500
        0.196850 5.000000
      13 0.203125 5.159375
    7 14 0.218750 5.556250
      15 0.234375 5.953125
        0.236220 6.000000
2 4 8 16 0.250000 6.350000
      17 0.265625 6.746875
        0.275591 7.000000
    9 18 0.281250 7.143750
      19 0.296875 7.540625
  5 10 20 0.312500 7.937500
        0.314961 8.000000
      21 0.328125 8.334375
    11 22 0.343750 8.731250
        0.354331 9.000000
      23 0.359375 9.128125
3 6 12 24 0.375000 9.525000
      25 0.390625 9.921875
        0.393701 10.000000
    13 26 0.406250 10.318750
      27 0.421875 10.715625
        0.433071 11.000000
  7 14 28 0.437500 11.112500
      29 0.453125 11.509375
    15 30 0.468750 11.906250
        0.472441 12.000000
      31 0.484375 12.303125
4 8 16 32 0.500000 12.700000
 
5/8
3/4
7/8
1
FRACTIONS OF
ONE INCH
DECIMAL
EQUIV.
(in)
METRIC
EQUIV.
(mm)
8
ths
16
ths
32
ths
64
ths
      33 0.515625 13.096875
        0.511811 13.000000
    17 34 0.531250 13.493750
      35 0.546875 13.890625
        0.551181 14.000000
  9 18 36 0.562500 14.287500
      37 0.578125 14.684375
        0.590551 15.000000
    19 38 0.593750 15.081250
      39 0.609375 15.478125
5 10 20 40 0.625000 15.875000
        0.629921 16.000000
      41 0.640625 16.271875
    21 42 0.656250 16.668750
        0.669291 17.000000
      43 0.671875 17.065625
  11 22 44 0.687500 17.462500
      45 0.703125 17.859375
        0.708661 18.000000
    23 46 0.718750 18.256250
      47 0.734375 18.653125
        0.748031 19.000000
6 12 24 48 0.750000 19.050000
      49 0.765625 19.446875
    25 50 0.781250 19.843750
        0.787402 20.000000
      51 0.796875 20.240625
  13 26 52 0.812500 20.637500
        0.826772 21.000000
      53 0.828125 21.034375
    27 54 0.843750 21.431250
      55 0.859375 21.828125
        0.866142 22.000000
7 14 28 56 0.875000 22.225000
      57 0.890625 22.621875
        0.905512 23.000000
    29 58 0.906250 23.018750
      59 0.921875 23.415625
  15 30 60 0.937500 23.812500
        0.944882 24.000000
      61 0.953125 24.209375
    31 62 0.968750 24.606250
        0.984252 25.000000
      63 0.984375 25.003125
8 16 32 64 1.000000 25.400000
Site created by ThomasNet Web Solutions, a division of ThomasNet.com
Toll-Free: 800.326.0006The Electronic Wire and Cable Specialist for Over 60 Years