Conversion Charts

Length Conversion Factors

If you know: You can get: If you multiply by:
If you know:inches You can get:millimeters If you multiply by:25.4
If you know:feet You can get:meters If you multiply by:.3048
If you know:yards You can get:meters If you multiply by:0.9144
If you know:miles You can get:kilometers If you multiply by:1.609
If you know:millimeters You can get:inches If you multiply by:0.03937
If you know:meters You can get:feet If you multiply by:3.281
If you know:meters You can get:yards If you multiply by:1.094
If you know:kilometers You can get:miles If you multiply by:0.6214

Pipe Schedules 

PIPE SIZE O.D. in Inches WEIGHTS & DIMENSIONS OF SEAMLESS & WELDED PIPE
Dble. E.H.
5 10 20 30 40 STD. 60 80 E.H. 100 120 140 160
1/8 .405 .035
.1383
.049
.1863
.068
.2447
.068
.2447
.095
.3145
.095
.3145
1/4 .540 .049
.2570
.065
.3297
.088
.4248
.088
.4248
.119
.5351
.119
.5351
3/8 .675 .049
.3276
.065
.4235
.091
.5676
.091
.5676
.126
.7388
.126
.7388
1/2 .840 .065
.5383
.083
.6710
.109
.8510
.109
.8510
.147
1.088
.147
1.088
.187
.1304
.294
1.714
3/4 1.050 .065
.6838
.083
.8572
.113
1.131
.113
1.131
.154
1.474
.154
1.474
.218
1.937
.308
2.441
1 1.315 .065
.8678
.109
1.404
.133
1.679
.133
1.679
.179
2.172
.179
2.172
.250
2.844
.358
3.659
1.660 .065
1.107
.109
1.806
.140
2.273
.140
2.273
.191
2.997
.191
2.997
.250
3.765
.382
5.214
1.900 .065
1.274
.109
2.085
.145
2.718
.145
2.718
.200
3.631
.200
3.631
.281
4.859
.400
6.408
2 2.375 .065
1.604
.109
2.638
.154
3.653
.154
3.653
.218
5.022
.218
5.022
.343
7.444
.436
9.029
2.875 .083
2.475
.120
3.531
.203
5.793
.203
5.793
.276
7.661
.276
7.661
.375
10.01
.552
13.70
3 3.500 .083
3.029
.120
4.332
.216
7.576
.216
7.576
.300
10.25
.300
10.25
.437
14.32
.600
18.58
4.000 .083
3.472
.120
4.973
.226
9.109
.226
9.109
.318
12.51
.318
12.51
.636
22.85
4 4.500 .083
3.915
.120
5.613
.237
10.79
.237
10.79
.281
12.66
.337
14.98
.337
14.98
.437
19.01
.531
22.51
.674
27.54
5.000 .247
12.53
.355
17.61
.710
32.53
5 5.563 .109
6.349
.134
7.770
.258
14.62
.258
14.62
.375
20.78
.375
20.78
.500
27.04
.625
32.96
.750
38.55
6 6.625 .109
7.585
.134
9.289
.280
18.97
.280
18.97
.432
28.57
.432
28.57
.562
36.39
.718
45.30
.864
53.16
7 7.625 .301
23.57
.500
38.05
.875
63.08
8 8.625 .109
9.914
.148
13.40
.250
22.36
.277
24.70
.322
28.55
.322
28.55
.406
35.64
.500
43.39
.500
43.39
.593
50.87
.718
60.63
.812
67.76
.906
74.69
.875
72.42
9 9.625 .342
33.90
.500
48.72
10 10.750 .134
15.19
.165
18.70
.250
28.04
.307
34.24
.365
40.48
.365
40.48
.500
54.74
.593
64.33
.500
54.74
.718
76.93
.843
89.20
1.000
104.1
1.125
115.7
11 11.750 .375
45.55
.500
60.07
12 12.750 .165
22.18
.180
24.20
.250
33.38
.330
43.77
.406
53.53
.375
49.65
.562
73.16
.687
88.51
.500
65.42
.843
107.2
1.000
125.5
1.125
139.7
1.312
160.3
14 14.000 .250
36.71
.312
45.68
.375
54.57
.437
63.37
.375
54.57
.593
84.91
.750
106.1
.500
72.09
.937
130.7
1.093
150.7
1.250
170.2
1.406
189.1
16 16.000 .250
42.05
.312
52.36
.375
62.58
.500
82.77
.375
62.58
.656
107.5
.843
136.5
.500
82.77
1.031
164.8
1.218
192.3
1.437
223.5
1.593
245.1
18 18.000 .250
47.39
.312
59.03
.437
82.06
.562
104.8
.375
70.59
.750
138.2
.937
170.8
.500
93.45
1.156
208.0
1.375
244.1
1.562
274.2
1.781
308.5
20 20.000 .250
52.73
.375
78.60
.500
104.1
.593
122.9
.375
78.60
.812
166.4
1.031
208.9
.500
104.1
1.280
256.1
1.500
296.4
1.750
341.1
1.968
379.0
24 24.000 .250
63.41
.375
94.62
.562
140.8
.687
171.2
.375
94.62
.968
238.1
1.218
296.4
.500
125.5
1.531
367.4
1.812
429.4
2.062
483.1
2.343
541.9
BLACK FIGURES: Wall Thickness in Inches RED FIGURES: Weight Per Foot in Pounds

Decimal Equivalents for Gauges

Gauge No. Decimal Inches
0000 .454
000 .425
00 .380
0 .340
1 .300
2 .284
3 .259
4 .238
5 .220
6 .203
7 .180
8 .165
9 .148
10 .134
11 .120
12 .109
13 .095
14 .083
15 .072
16 .065
17 .058
18 .049
19 .042
20 .035
21 .032
22 .028
23 .025
24 .022
25 .020
26 .018
27 .016
28 .014
29 .013
30 .012
31 .010
32 .009
33 .008
34 .007
35 .005
36 .004

Decimal Equivalents of One Inch

Frac. In. Dec. Equiv. mm
1/64 .0156 .397
1/32 .0313 .794
3/64 .0469 1.191
1/16 .0625 1.588
5/64 .0781 1.984
1/12 .0833 2.117
3/32 .0938 2.381
1/10 .1000 2.540
7/64 .1094 2.778
1/8 .1250 3.175
9/64 .1406 3.572
5/32 .1563 3.969
1/6 .1667 4.233
11/64 .1719 4.366
3/16 .1875 4.700
1/5 .2000 5.080
13/64 .2031 5.159
7/32 .2188 5.556
15/64 .2344 5.953
1/4 .2500 6.350
17/64 .2656 6.747
9/32 .2813 7.144
19/64 .2969 7.541
3/10 .3000 7.620
5/16 .3125 7.937
21/64 .3281 8.334
1/3 .3333 8.467
11/32 .3438 8.731
23/64 .3594 9.128
3/8 .3750 9.525
25/64 .3906 9.922
2/5 .4000 10.160
13/32 .4063 10.319
5/12 .4167 10.583
27/64 .4219 10.716
7/16 .4375 11.112
29/64 .4531 11.509
15/32 .4688 11.906
31/64 .4844 12.303
1/2 .5000 12.700
Frac. In. Dec. Equiv. mm
33/64 .5156 13.097
17/32 .5313 13.494
35/64 .5469 13.891
9/16 .5625 14.288
37/64 .5781 14.684
7/12 .5833 14.817
19/32 .5938 15.081
3/5 .6000 15.240
39/64 .6094 15.478
5/8 .6250 15.875
41/64 .6406 16.272
21/32 .6563 16.669
1/3 .6667 16.933
43/64 .6719 17.066
11/16 .6875 17.463
7/10 .7000 17.780
45/64 .7031 17.859
23/32 .7188 18.256
47/64 .7344 18.653
3/4 .7500 19.050
49/64 .7656 19.447
25/32 .7813 19.844
51/64 .7969 20.241
4/5 .8000 20.320
13/16 .8125 20.638
53/64 .8281 21.034
5/6 .8333 21.167
27/32 .8438 21.431
55/64 .8594 21.828
7/8 .8750 22.225
57/64 .8906 22.622
9/10 .9000 22.860
29/32 .9063 23.019
11/12 .9167 23.283
59/64 .9219 23.416
15/16 .9375 23.813
61/64 .9531 24.209
31/32 .9688 24.606
63/64 .9844 25.003
1 1.000 25.400

This website stores cookies on your computer. These cookies are used to collect information about how you interact with our website and allow us to remember you. We use this information in order to improve and customize your browsing experience and for analytics and metrics about our visitors both on this website and other media. To find out more about the cookies we use, see our Privacy Policy.