Decimal Conversion Charts

79
1/64
77
75
74
72
71
0.7mm
70
69
68
1/32
0.8mm
67
66
65
0.9mm
64
63
62
61
1mm
60
59
58
57
56
3/64
55
54
1.5mm
53
1/16
52
51
50
49
48
5/64
47
2mm
46
45
44
43
.0079
.0118
.0135
.0145
.0156
.0157
.0160
.0180
.0197
.0200
.0210
.0225
.0236
.0240
.0250
.0260
.0276
.0280
.0292
.0310
.0312
.0315
.0320
.0330
.0350
.0354
.0360
.0370
.0380
.0390
.0394
.0400
.0410
.0420
.0430
.0465
.0469
.0520
.0550
.0591
.0595
.0625
.0635
.0670
.0700
.0730
.0760
.0781
.0785
.0787
.0810
.0820
.0860
.0890
.0935
40
2.5mm
39
38
37
36
7/64
35
34
33
32
3mm
31
1/8
30
29
3.5mm
28
9/64
27
26
25
24
23
5/32
22
4mm
21
20
19
18
11/64
17
16
4.5mm
15
14
13
3/16
12
11
10
9
5mm
8
7
13/64
6
5
4
3
5.5mm
7/32
2
.0980
.0984
.0995
.1015
.1040
.1065
.1094
.1100
.1110
.1130
.1160
.1181
.1200
.1250
.1285
.1360
.1378
.1405
.1406
.1440
.1470
.1495
.1520
.1540
.1562
.1570
.1575
.1590
.1610
.1660
.1695
.1719
.1730
.1770
.1772
.1800
.1820
.1850
.1875
.1890
.1910
.1935
.1960
.1969
.1990
.2010
.2031
.2040
.2055
.2090
.2130
.2165
.2188
.2210
.2280
6mm
B
c
0
1/4&E
6.5mm
F
G
17/64
H
7mm
J
K
9/32
l
M
7.5mm
19/64
N
5/16
8mm
0
p
21/64
Q
8.5mm
R
11/32
s
9mm
T
23/64
u
9.5mm
3/8
v
w
25/64
10mm
X
y
13/32
z
10.5mm
27/64
11mm
7/16
11.5mm
29/64
15/32
12mm
31/64
12.5mm
1/2
.2362
.2380
.2420
.2460
.2500
.2559
.2570
.2610
.2656
.2660
.2720
.2756
.2770
.2810
.2812
.2900
.2950
.2953
.2969
.3020
.3125
.3150
.3160
.3230
.3281
.3320
.3346
.3390
.3438
.3480
.3543
.3580
.3594
.3680
.3740
.3750
.3770
.3860
.3906
.3937
.3970
.4040
.4062
.4130
.4134
.4219
.4331
.4375
.4528
.4531
.4688
.4724
.4844
.4921
.5000
13.5mm
35/64
14mm
9/16
14.5mm
37/64
15mm
19/32
39/64
15.5mm
5/8
16mm
41/64
16.5mm
21/32
17mm
43/64
11/16
17.5mm
45/64
18mm
23/32
18.5mm
47/64
19mm
3/4
49/64
19.5mm
25/32
20mm
51/64
20.5mm
13/16
21mm
53/64
27/32
21.5mm
55/64
22mm
7/8
22.5mm
57/64
23mm
29/32
59/64
23.5mm
15/16
24mm
61/64
24.5mm
31/32
25mm
63/64
.5313
.5315
.5469
.5512
.5625
.5709
.5781
.5906
.5938
.6094
.6102
.6250
.6299
.6406
.6496
.6562
.6693
.6719
.6875
.6890
.7031
.7087
.7188
.7283
.7344
.7480
.7500
.7656
.7677
.7812
.7874
.7969
.8071
.8125
.8268
.8281
.8438
.8465
.8594
.8661
.8750
.8858
.8906
.9055
.9062
.9219
.9252
.9375
.9449
.9531
.9646
.9688
.9843
.9844
1.000
1-64
1-72
2-56
2-64
3-48
3-56
4-40
4-48
5-40
5-44
6-32
6-40
8-32
8-36
10-24
10-32
12-24
No. 53
No. 53
1.45mm
m2x0.4
m2.2x0.45
1.6mm
1.75mm
m2.3x0.4
1.9mm
No.47
No.46
m2.5x0.45
m2.6x0.45
2.05mm
2.15mm
No.43
No.42
No.39
No.38
m3x0.5
m3.5x0.6
m4x0.7
2.5mm
2.9mm
3.3mm
m4.5x0.75
No. 36
No.33
No. 29
m5x0.8
m6x1
m6x0.75
3.75mm
4.2mm
No.29
m7x1
m8x1.25
6mm
6.75mm
m8x1
m9x1.25
7mm
7.75mm
m10x1.5
m10x1.25
8.Smm
8.75mm
No. 50
No. 50
No. 25
No.21
12-28
1/4-20
1/4-28
No.7
No.3
5/16-18
5/16-24
F
m10x1.00
m11x1.50
9mm
9.5mm
3/8-16
3/8-24
7/16-14
5/16
m12x1.75
m12x1.25
10.2mm
10.7mm
m14x2
m14x1.5
12mm
12.5mm
u
w
7/16
3/8-18
1/2-14
37/64
45/64
3/4-14
1-11-1/2
1-1/4-11-1/2
59/64
1-5/32
1-1/2-11-1/2
1-1/2
1-47/64
2-11-1/2
2-7/32
PROUDLY SERVING MICHIGAN
5mm
5.25mm
No. 17
No.15
Q
R
1/4-18
SFM = .262 x 0 x RPM
7/16-20
1/2-13
27/64
m14x1.25
m16x2
13mm
14mm
RPM = 3.82 x SFM
D
1/2-20
9/16-12
29/64
31/64
m16x1.50
m18x2.5
14.Smm
15.5mm
M/mm = SFM I 3.28
9/16-18
5/8-11
33/64
17/32
m18x2.0
m20x2.5
16mm
17.5mm
IPM = IPT x #T
5/8-18
3/4-10
37/64
21/32
m20x2.0
m20x1.5
18mm
18.5mm
IPR=
3/4-16
7/8-9
11/16
49/64
m22x2.5
m22x2.0
19.5mm
20mm
7/8-14
1-8
13/16
7/8
m22x1.5
m24x3
20.5mm
21mm
1-12
59/64
22mm
x RPM
__!fM_
RPM
IPM
FPT= #Tx RPM
IPT=
.Jf!L
#T