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  Decimal Equivalent Chart

Dia. Decimal Equiv.   Dia. Decimal Equiv.   Dia. Decimal Equiv.   Dia. Decimal Equiv.   Dia. Decimal Equiv.
No. 80 .0135   No. 49 .0730   4.10mm .1614   6.80mm .2677   27/64 .4219
.35mm .0138   1.90mm .0748   4.20mm .1654   6.90mm .2717   11.0mm .4331
No. 79 .0145   No. 48 .0760   No. 19 .1660   I .2720   7/16 .4375
1/64 .0156   1.95mm .0768   4.25mm .1673   7.00mm .2756   11.5mm .4528
.40mm .0158   5/64 .0781   4.30mm .1693   J .2770   29/64 .4531
No. 78 .0160   No. 47 .0785   No. 18 .1695   7.10mm .2795   15/32 .4688
.45mm .0177   2.00mm .0787   11/64 .1719   K .2810   12.0mm .4724
No. 77 .0180   2.05mm .0807   No. 17 .1730   9/32 .2812   31/64 .4844
.50mm .0197   No. 46 .0810   4.40mm .1732   7.20mm .2835   12.5mm .4921
No. 76 .0200   No. 45 .0820   No. 16 .1770   7.25mm .2854   1/2 .5000
No. 75 .0210   2.10mm .0827   4.50mm .1772   7.30mm .2874   13.0mm .5118
.55mm .0217   2.15mm .0846   No. 15 .1800   L .2900   33/64 .5156
No. 74 .0225   No. 44 .0860   4.60mm .1811   7.40mm .2913   17/32 .5312
.60mm .0236   2.20mm .0866   No. 14 .1820   M .2950   13.5mm .5315
No. 73 .0240   2.25mm .0886   No. 13 .1850   7.50mm .2953   35/64 .5469
No. 72 .0250   No. 43 .0890   4.70mm .1850   19/64 .2969   14.0mm .5512
.65mm .0256   2.30mm .0906   4.75mm .1870   7.60mm .2992   9/16 .5625
No. 71 .0260   2.35mm .0925   3/16 .1875   N .3020   14.5mm .5709
.70mm .0276   No. 42 .0935   4.80mm .1890   7.70mm .3031   37/64 .5781
No. 70 .0280   3/32 .0938   No. 12 .1890   7.75mm .3051   15.0mm .5906
No. 69 .0292   2.40mm .0945   No. 11 .1910   7.80mm .3071   19/32 .5938
.75mm .0295   No. 41 .0960   4.90mm .1929   7.90mm .3110   39/64 .6094
No. 68 .0310   2.45mm .0965   No. 10 .1935   5/16 .3125   15.5mm .6102
1/32 .0312   No. 40 .0980   No. 9 .1960   8.00mm .3150   5/8 .6250
.80mm .0315   2.50mm .0984   5.00mm .1969   O .3160   16.0mm .6299
No. 067 .0320   No. 39 .0995   No. 8 .1990   8.10mm .3189   41/64 .6406
No. 66 .0330   No. 38 .1015   5.10mm .2008   8.20mm .3228   16.5mm .6496
.85mm .0335   2.60mm .1024   No. 7 .2010   P .3230   21/32 .6562
No. 65 .0350   No. 37 .1040   13/64 .2031   8.25mm .3248   17.0mm .6693
.90mm .0354   2.70mm .1063   No. 6 .2040   8.30mm .3268   43/64 .6719
No. 64 .0360   No. 36 .1065   5.20mm .2047   21/64 .3281   11/16 .6875
No. 63 .0370   2.75mm .1083   No. 5 .2055   8.40mm .3307   17.5mm .6890
.95mm .0374   7/64 .1094   5.25mm .2067   Q .3320   45/64 .7031
No. 62 .0380   No. 35 .1100   5.30mm .2087   8.50mm .3346   18.0mm .7087
No. 61 .0390   2.80mm .1102   No. 4 .2090   8.60mm .3386   23/32 .7188
1.00mm .0394   No. 34 .1110   5.40mm .2126   R .3390   18.5mm .7283
No. 60 .0400   No. 33 .1130   No. 3 .2130   8.70mm .3425   47/64 .7344
No. 59 .0410   2.90mm .1142   5.50mm .2165   11/32 .3438   19.0mm .7480
1.05mm .0413   No. 32 .1160   7/32 .2188   8.75mm .3445   3/4 .7500
No. 58 .0420   3.00mm .1181   5.60mm .2205   8.80mm .3465   49/64 .7656
No. 057 .0430   No. 31 .1200   No. 2 .2210   S .3480   19.5mm .7677
1.10mm .0433   3.10mm .1220   5.70mm .2244   8.90mm .3504   25/32 .7812
1.15mm .0453   1/8 .1250   5.75mm .2264   9.00mm .3543   20.0mm .7874
No. 56 .0465   3.20mm .1260   No. 1 .2280   T .3580   51/64 .7969
3/64 .0469   3.25mm .1280   5.80mm .2283   9.10mm .3583   20.5mm .8071
1.20mm .0472   No. 30 .1285   5.90mm .2323   23/64 .3594   13/16 .8125
1.25mm .0492   3.30mm .1299   A .2340   9.20mm .3622   21.0mm .8268
1.30mm .0512   3.40mm .1339   15/64 .2344   9.25mm .3642   53/64 .8281
No. 55 .0520   No. 29 .1360   6.00mm .2362   9.30mm .3661   27/32 .8438
1.35mm .0531   3.50mm .1378   B .2380   U .3680   21.5mm .8465
No. 054 .0550   No. 28 .1405   6.10mm .2402   9.40mm .3701   55/64 .8594
1.40mm .0551   9/64 .1406   C .2420   9.50mm .3740   22.0mm .8661
1.45mm .0571   3.60mm .1417   6.20mm .2441   3/8 .3750   7/8 .8750
1.50mm .0591   No. 27 .1440   D .2460   V .3770   22.5mm .8858
No. 53 .0595   3.70mm .1457   6.25mm .2461   9.60mm .3780   57/64 .8906
1.55mm .0610   No. 26 .1470   6.30mm .2480   9.70mm .3819   23.0mm .9055
1/16 .0625   3.75mm .1476   1/4 .2500   9.75mm .3839   29/32 .9062
1.60mm .0630   No. 25 .1495   E .2500   9.80mm .3858   59/64 .9219
No. 52 .0635   3.80mm .1496   6.40mm .2520   W .3860   23.5mm .9252
1.65mm .0650   No. 24 .1520   6.50mm .2559   9.90mm .3898   15/16 .9375
1.70mm .0669   3.90mm .1535   F .2570   25/64 .3906   24.0mm .9449
No. 51 .0670   No. 23 .1540   6.60mm .2598   10.0mm .3937   61/64 .9531
1.75mm .0689   5/32 .1562   G .2610   X .3970   24.5mm .9646
No. 50 .0700   No. 22 .1570   6.70mm .2638   Y .4040   31/32 .9688
1.80mm .0709   4.00mm .1575   17/64 .2656   13/32 .4062   25.0mm .9843
1.85mm .0728   No. 21 .1590   6.75mm .2657   Z .4130   63/64 .9844
      No. 20 .1610   H .2660   10.5mm .4134   1 1.0000