Fractional, Decimal & Millimeter Conversion Chart Courtesy of
Size #80 #79 1/64 #78 #77 #76 #75 #74 #73 #72 #71 #70 #69 #68 1/32 #67 #66 #65 #64 #63 #62 #61 #60 #59 #58 #57
#56 3/64
#55 #54
#53 1/16 #52
#51 #50
#49 #48 5/64 #47
#46 #45
#44
#43
#42 3/32 #41 #40 #39 #38 #37
Decimal 0.0135 0.0138 0.0145 0.0156 0.0157 0.0160 0.0177 0.0180 0.0197 0.0200 0.0217 0.0210 0.0236 0.0225 0.0240 0.0250 0.0256 0.0260 0.0276 0.0280 0.0292 0.0295 0.0310 0.0312 0.0315 0.0320 0.0333 0.0335 0.0350 0.0354 0.0360 0.0370 0.0374 0.0380 0.0390 0.0394 0.0400 0.0410 0.0413 0.0420 0.0430 0.0433 0.0453 0.0465 0.0469 0.0472 0.0492 0.0512 0.0520 0.0531 0.0550 0.0551 0.0571 0.0591 0.0595 0.0610 0.0625 0.0629 0.0635 0.0650 0.669 0.0670 0.0689 0.0700 0.0709 0.0728 0.0730 0.0748 0.0760 0.0768 0.0781 0.0785 0.0787 0.0807 0.0810 0.0820 0.0827 0.0846 0.0860 0.0866 0.0886 0.0890 0.0905 0.0925 0.0935 0.0937 0.0945 0.0960 0.0965 0.0980 0.0984 0.0995 0.1004 0.1015 0.1024 0.1040 0.1043
RMC Process Controls & Filtration, Inc.
Millimeter 0.3429 0.3505 0.3683 0.3962 0.3988 0.4064 0.4496 0.4572 0.5004 0.5080 0.5512 0.5334 0.5994 0.5715 0.6096 0.6350 0.6502 0.6604 0.7010 0.7112 0.7417 0.7493 0.7874 0.7925 0.8001 0.8128 0.8382 0.8509 0.8890 0.8992 0.9296 0.9398 0.9499 0.9652 0.9906 1.0076 1.0160 1.0414 1.0490 1.0668 1.0922 1.0998 1.1506 1.1811 1.1913 1.1989 1.2497 1.3005 1.3208 1.3487 1.3970 1.3995 1.4503 1.5011 1.5113 1.5494 1.5875 1.5977 1.6129 1.6510 1.6993 1.7018 1.7501 1.7780 1.8009 1.8481 1.8542 1.8999 1.9304 1.9507 1.9837 1.9939 1.9989 2.0498 2.0574 2.0828 2.1006 2.1488 2.1844 2.1996 2.2504 2.2606 2.2987 2.3495 2.3749 2.3799 2.4003 2.4384 2.4511 2.4892 2.4994 2.5273 2.5502 2.5781 2.6009 2.6416 2.6492
Size #36 7/64 #35 #34 #33 #32 #31 1/8
#30
#29 #28 9/64 #27 #26 #25 #24 #23 5/32 #22 #21 #20
#19
#18 11/64 #17 #16 #15 #14 #13 13/16 #12 #11 #10 #9 #8 #7 13/64 #6 #5
#4 #3 7/32 #2
#1
A 15/64 B C D
1/4
F
Decimal 0.1063 0.1065 0.1083 0.1094 0.1100 0.1102 0.1110 0.1130 0.1142 0.1160 0.1181 0.1200 0.1220 0.1250 0.1260 0.1280 0.1285 0.1299 0.1339 0.1360 0.1378 0.1405 0.1406 0.1417 0.1440 0.1457 0.1470 0.1477 0.1495 0.1496 0.1520 0.1535 0.1540 0.1562 0.1570 0.1575 0.1590 0.1610 0.1614 0.1654 0.1660 0.1674 0.1693 0.1695 0.1719 0.1730 0.1732 0.1770 0.1771 0.1800 0.1811 0.1820 0.1850 0.1870 0.1875 0.1890 0.1910 0.1929 0.1935 0.1960 0.1968 0.1990 0.2008 0.2010 0.2031 0.2040 0.2047 0.2055 0.2067 0.2087 0.2090 0.2126 0.2130 0.2165 0.2187 0.2205 0.2210 0.2244 0.2264 0.2280 0.2283 0.2323 0.2340 0.2344 0.2362 0.2380 0.2401 0.2420 0.2441 0.2460 0.2461 0.2480 0.2500 0.2520 0.2559 0.2570 0.2598
(800) 523-4055
Millimeter 2.7000 2.7089 2.7508 2.7788 2.7940 2.7991 2.8194 2.8702 2.9007 2.9464 2.9997 3.0480 3.0988 3.1750 3.2004 3.2512 3.2639 3.2995 3.4011 3.4544 3.5001 3.5687 3.5712 3.5992 3.6576 3.7008 3.7338 3.7516 3.7973 3.7998 3.8608 3.8989 3.9116 3.9675 3.9878 4.0005 4.0386 4.2926 4.0996 4.2012 4.2316 4.2352 4.3002 4.3053 4.3663 4.3942 4.3942 4.4958 4.4983 4.5720 4.5999 4.6228 4.6990 4.7498 4.7625 4.8006 4.8514 4.8997 4.9149 4.9784 4.9987 5.0546 5.1003 4.1054 5.1587 5.1816 5.1994 5.2197 5.2502 5.3009 5.3086 5.4000 5.6210 5.4991 5.5550 5.6007 5.6134 5.6998 5.7567 5.7912 5.7988 5.9004 5.9436 5.9538 5.9999 6.0452 6.0985 6.1468 6.2001 6.2484 6.2509 6.2992 6.3500 6.4008 6.4999 6.5278 6.5989
Size G 17/64 H I J K 9/32
L M 19/64 N
5/16 O
P
21/64 Q
R 11/32
S
T 23/64
U
3/8 V
W 25/64 X Y 13/32 Z 27/64 7/16 29/64 15/32 31/64 1/2 33/64 17/32 35/64 9/16 37/64 19/32 39/64 5/8
Bossier City, La. 71112
Decimal 0.2610 0.2638 0.2656 0.2658 0.2660 0.2677 0.2716 0.2720 0.2756 0.2770 0.2795 0.2810 0.2812 0.2835 0.2855 0.2874 0.2900 0.2913 0.2950 0.2953 0.2969 0.2992 0.3020 0.3031 0.3051 0.3071 0.3110 0.3125 0.3150 0.3160 0.3189 0.3228 0.3230 0.3248 0.3268 0.3281 0.3307 0.3320 0.3346 0.3386 0.3390 0.3425 0.3437 0.3445 0.3465 0.3480 0.3504 0.3543 0.3580 0.3583 0.3594 0.3622 0.3642 0.3661 0.3680 0.3701 0.3740 0.3750 0.3770 0.3780 0.3819 0.3839 0.3858 0.3860 0.3898 0.3906 0.3937 0.3970 0.4040 0.4062 0.4130 0.4134 0.4219 0.4330 0.4375 0.4528 0.4531 0.4687 0.4724 0.4844 0.4921 0.5000 0.5119 0.5156 0.5312 0.5315 0.5469 0.5512 0.5625 0.5709 0.5781 0.5906 0.5937 0.6094 0.6102 0.6250 0.6299
Millimeter 6.6294 6.7005 6.7462 6.7513 6.7564 6.7796 6.8986 6.9088 7.0002 7.0358 7.0993 7.1374 7.1425 7.2009 7.2517 7.3000 7.3660 7.3990 7.4930 7.5006 7.5413 7.5997 7.6708 7.6987 7.7495 7.8003 7.8994 7.9375 8.0010 8.0264 8.1001 8.1991 8.2042 8.2499 8.3007 8.3337 8.3998 8.4328 8.4988 8.6004 8.6106 8.6995 8.7300 8.7503 8.8011 8.8392 8.9916 8.9992 9.0932 9.1008 9.1288 9.1999 9.3071 9.3119 9.3472 9.4233 9.4996 9.5250 9.5758 9.6012 9.7003 9.7511 9.7993 9.8044 9.9009 9.9212 10.0000 10.0838 10.2616 10.3175 10.4902 10.5004 10.7163 10.9982 11.1125 11.5011 11.5087 11.9050 11.9990 12.3038 12.4993 12.7000 13.0023 13.0962 13.4925 13.5001 13.8913 14.0005 14.2875 14.5009 14.6837 15.0012 15.0800 15.4788 15.8750 15.8750 15.9995
Size 41/64 21/32 43/64 11/16 45/64 23/32 47/64 3/4 49/64 25/32 51/64 13/16 53/64 27/32 55/64 7/8 57/64 29/32 59/64 15/16 61/64 31/32 63/64 1 1-1/64 1-1/32 1-3/64 1-1/16 1-5/64 1-3/32 1-7/64 1-1/8 1-9/64 1-5/32 1-11/64 1-3/16 1-13/64 1-7/32 1-15/64 1-1/4 1-17/64 1-9/32 1-19/64 1-5/16 1-21/64 1-11/32 1-23/64 1-3/8 1-25/64 1-13/32 1-27/64 1-7/16 1-29/64 1-15/32 1-31/64 1-1/2 1-33/64 1-17/32 1-35/64 1-9/16 1-37/64 1-19/32 1-39/64 1-5/8 1-41/64 1-21/32 1-43/64 1-11/16 1-45/64 1-23/32 1-47/64 1-3/4 1-49/64 1-25/32
Decimal 0.6406 0.6496 0.6562 0.6693 0.6719 0.6875 0.6890 0.7031 0.7087 0.7187 0.7283 0.7344 0.7480 0.7500 0.7656 0.7677 0.7812 0.7874 0.7969 0.8071 0.8125 0.8268 0.8281 0.8437 0.8465 0.8594 0.8661 0.8750 0.8858 0.8906 0.9055 0.9062 0.9219 0.9252 0.9375 0.9449 0.9531 0.9646 0.9687 0.9843 0.9844 1.0000 1.0156 1.0312 1.0469 1.0625 1.0781 1.0937 1.1094 1.1250 1.1406 1.1562 1.1719 1.1875 1.2031 1.2187 1.2344 1.2500 1.2656 1.2812 1.2969 1.3125 1.3281 1.3437 1.3594 1.3750 1.3906 1.4062 1.4219 1.4375 1.4531 1.4687 1.4844 1.5000 1.5156 1.5312 1.5469 1.5625 1.5781 1.5937 1.6094 1.6250 1.6406 1.6562 1.6719 1.6875 1.7031 1.7187 1.7344 1.7500 1.7656 1.7812
Millimeter 16.2712 16.4998 16.6675 17.0002 17.0663 17.4625 17.5006 17.8587 18.0010 18.2550 18.4988 18.6538 18.9992 19.0500 19.4462 19.4996 19.8425 20.0000 20.2413 20.5003 20.6375 21.0007 21.0337 21.4300 21.5409 21.8288 21.9989 22.2250 22.4993 22.6212 22.8740 23.0175 23.4163 23.5001 23.8125 24.0005 24.2087 24.5008 24.6049 25.0012 25.0038 25.4000 25.7962 26.1925 26.5913 26.9812 27.3837 27.7780 28.1788 28.5750 28.9712 29.3675 29.7663 30.1625 30.5587 30.9550 31.3538 31.7500 32.1462 32.5425 32.9413 33.3375 33.7337 34.1300 34.5288 34.9250 35.3212 35.7175 36.1163 36.5125 36.9087 37.3050 37.7038 38.1000 38.4962 38.8925 39.2913 39.6812 40.0837 40.4800 40.8788 41.2750 41.6712 42.0675 42.4663 42.8625 43.2587 43.6550 44.0538 44.4500 44.8462 45.2425