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Inch to mm Conversion | Inch to mm Chart | Inches to Millimeters

Size, Useful Tool

Gauge Size | Pipe Schdule | Nominal Pipe Size | Sheet Metal Gauge | Stainless Steel Pipe Sizes | Stainless Steel Tube Size | Stainless Steel Pipe Specification | Stainless Steel Pipe Dimensions | ANSI Pipe Chart | Inch to mm Chart | EN 10253 4 Structural Dimensions of fittings ISO 5251 ISO 3419 | Stainless Steel Tubing Sizes

Inch to mm Chart

InchDecimalmm
1/16″0.06251.59 mm
1/8″0.12503.18 mm
3/16″0.18754.76 mm
1/4″0.25006.35 mm
5/16″0.31257.94 mm
3/8″0.37509.53 mm
7/16″0.437511.11 mm
 1/2″0.500012.70 mm
 9/16″0.562514.29 mm
5/8″0.625015.88 mm
 11/16″0.687517.46 mm
 3/4″0.750019.05 mm
13/16″0.812520.64 mm
7/8″0.875022.23 mm
15/16″0.937523.81 mm
1″1.0025.40 mm
1 1/4″1.2531.75 mm
1 1/2″1.5038.10 mm
2″2.0050.80 mm

Inch to mm Chart

To Conver To mm;
Multiply Inches
*25.4 		To Conver To mm;
Multiply Inches
*25.4 		To Conver To mm;
Multiply Inches
*25.4 		To Convert
To Inches;
Multiply mm
*0.03937* 		To Convert
To Inches;
Multiply mm
*0.03937* 		To Convert
To Inches;
Multiply mm
*0.03937* 		*For Slightly Greater Accuracy When Converting to Inches; Divide mm By 25.4*For Slightly Greater Accuracy When Converting to Inches; Divide mm
By 25.4		*For Slightly Greater Accuracy When Converting to Inches; Divide mm
By 25.4
InchInchMetricInchInchMetricInchInchMetric
FractionalDecimalmm FractionalDecimalmm FractionalDecimalmm 
. 0.00390.1000. 0.551214.0000. 1.889848.0000
. 0.00790.2000  9/160.562514.2875. 1.929149.0000
. 0.01180.3000. 0.570914.5000. 1.968550.0000
1/64 0.01560.396937/64 0.578114.684422.000050.8000
. 0.01570.4000. 0.590615.0000. 2.007951.0000
. 0.01970.500019/32 0.593815.0813. 2.047252.0000
. 0.02360.600039/64 0.609415.4781. 2.086653.0000
. 0.02760.7000. 0.610215.5000. 2.126054.0000
1/32 0.03130.7938 5/80.625015.8750. 2.165455.0000
. 0.03150.8000. 0.629916.0000. 2.204756.0000
. 0.03540.900041/64 0.640616.2719. 2.244157.0000
. 0.03941.0000. 0.649616.50002 1/42.250057.1500
. 0.04331.100021/32 0.656316.6688. 2.283558.0000
3/64 0.04691.1906. 0.669317.0000. 2.322859.0000
. 0.04721.200043/64 0.671917.0656. 2.362260.0000
. 0.05121.3000 11/160.687517.4625. 2.401661.0000
. 0.05511.4000. 0.689017.5000. 2.440962.0000
. 0.05911.500045/64 0.703117.8594. 2.480363.0000
1/160.06251.5875. 0.708718.00002 1/22.500063.5000
. 0.06301.600023/32 0.718818.2563. 2.519764.0000
. 0.06691.7000. 0.728318.5000. 2.559165.0000
. 0.07091.800047/64 0.734418.6531. 2.598466.0000
. 0.07481.9000. 0.748019.0000. 2.637867.0000
5/64 0.07811.9844 3/40.750019.0500. 2.677268.0000
. 0.07872.000049/64 0.765619.4469. 2.716569.0000
. 0.08272.1000. 0.767719.50002 3/42.750069.8500
. 0.08662.200025/32 0.781319.8438. 2.755970.0000
. 0.09062.3000. 0.787420.0000. 2.795371.0000
3/32 0.09382.381351/64 0.796920.2406. 2.834672.0000
. 0.09452.4000. 0.807120.5000. 2.874073.0000
. 0.09842.500013/16 0.812520.6375. 2.913474.0000
7/64 0.10942.7781. 0.826821.0000. 2.952875.0000
. 0.11813.000053/64 0.828121.0344. 2.992176.0000
 1/80.12503.175027/32 0.843821.431333.000076.2000
. 0.13783.5000. 0.846521.5000. 3.031577.0000
9/64 0.14063.571955/64 0.859421.8281. 3.070978.0000
5/32 0.15633.9688. 0.866122.0000. 3.110279.0000
. 0.15754.0000 7/80.875022.2250. 3.149680.0000
11/64 0.17194.3656. 0.885822.5000. 3.189081.0000
. 0.17724.500057/64 0.890622.6219. 3.228382.0000
  3/160.18754.7625. 0.905523.0000. 3.267783.0000
. 0.19695.000029/32 0.906323.0188. 3.307184.0000
13/64 0.20315.159459/64 0.921923.4156. 3.346585.0000
. 0.21655.5000. 0.925223.5000. 3.385886.0000
7/32 0.21885.556315/16 0.937523.8125. 3.425287.0000
15/64 0.23445.9531. 0.944924.0000. 3.464688.0000
. 0.23626.000061/64 0.953124.20943 1/23.500088.9000
 1/40.25006.3500. 0.964624.5000. 3.503989.0000
. 0.25596.500031/32 0.968824.6063. 3.543390.0000
17/64 0.26566.7469. 0.984325.0000. 3.582791.0000
. 0.27567.000063/64 0.984425.0031. 3.622092.0000
9/32 0.28137.143811.000025.4000. 3.661493.0000
. 0.29537.5000. 1.003925.5000. 3.700894.0000
19/64 0.29697.5406. 1.023626.0000. 3.740295.0000
  5/160.31257.9375. 1.043326.5000. 3.779596.0000
. 0.31508.0000. 1.063027.0000. 3.818997.0000
21/64 0.32818.3344. 1.082727.5000. 3.858398.0000
. 0.33468.5000. 1.102428.0000. 3.897699.0000
11/32 0.34388.7313. 1.122028.5000. 3.9370100.0000
. 0.35439.0000. 1.141729.000044.0000101.6000
23/64 0.35949.1281. 1.161429.5000. 4.3307110.0000
. 0.37409.5000. 1.181130.00004 1/24.5000114.3000
 3/80.37509.5250. 1.220531.0000. 4.7244120.0000
25/64 0.39069.92191 1/41.250031.750055.0000127.0000
. 0.393710.0000. 1.259832.0000. 5.1181130.0000
13/32 0.406310.3188. 1.299233.0000. 5.5118140.0000
. 0.413410.5000. 1.338634.0000. 5.9055150.0000
27/64 0.421910.7156. 1.378035.000066.0000152.4000
. 0.433111.0000. 1.417336.0000. 6.2992160.0000
 3/80.437511.1125. 1.456737.0000. 6.6929170.0000
. 0.452811.5000. 1.496138.0000. 7.0866180.0000
29/64 0.453111.50941 1/21.500038.1000. 7.4803190.0000
15/32 0.468811.9063. 1.535439.0000. 7.8740200.0000
. 0.472412.0000. 1.574840.000088.0000203.2000
31/64 0.484412.3031. 1.614241.0000. 9.8425250.0000
. 0.492112.5000. 1.653542.00001010.0000254.0000
 1/20.500012.7000. 1.692943.00002020.0000508.0000
. 0.511813.0000. 1.732344.00003030.0000762.0000
33/64 0.515613.09691 3/41.750044.45004040.00001016.0000
17/32 0.531313.4938. 1.771745.00006060.00001524.0000
. 0.531513.5000. 1.811046.00008080.00002032.0000
35/64 0.546913.8906. 1.850447.0000100100.00002540.0000

Conversion of Gauge to Inch and MM

SizeWall ThicknessWall ThicknessWeight / Approximate Weight of Steel Sheets
ISWGinchmmkg/sq.met.
7/00.50012.700100.440
6/00.46411.78693.211
5/00.43210.97386.782
4/00.40010.16080.352
3/00.3729.44974.729
2/00.3488.83969.935
1/00.3248.23065.116
10.3007.62060.261
20.2767.01055.442
30.2546.40050.623
40.2325.89246.604
50.2125.38442.586
60.1924.87638.568
70.1764.47035.355
80.1604.06432.137
90.1443.65728.925
100.1283.25125.712
110.1162.94623.300
120.1042.64120.888
130.0922.33618.481
140.0802.03216.069
150.0721.82814.462
160.0641.62512.856
170.0561.42211.250
180.0481.2199.638
190.0401.0168.032
200.0360.9147.231
210.0320.8126.426
220.0280.7115.625
230.0240.6094.819
240.0220.5584.419
250.0200.5084.013
260.0180.4573.613
270.01640.4183.291
280.01480.3752.972
290.01360.3452.729
300.01240.3142.490
310.01160.2952.329
320.01080.2742.168
330.01000.2542.008
340.00920.2341.847
350.00840.2131.687
360.00760.1931.526
370.00680.1731.365
380.00600.1521.204
390.00520.1321.044
400.00480.1220.963
410.00440.1120.883
420.00400.1020.802
430.00360.0910.772
440.00320.0810.642
450.00280.0710.562
460.00240.0610.482
470.00200.0510.401
480.00160.0400.321
490.00120.0310.241
500.00100.0250.201
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Related References:
Pipe Schedule
Gauge Size
Nominal Pipe Size
Stainless Steel Pipe Dimensions
Sheet Metal Gauge
Stainless Steel Pipe Size
ANSI Standard Pipe Chart
Inch to mm Chart
B.W.G. – Birmingham Wire Gauge
A.S.W.G. American Standard Wire Gauge
Gauge Tolerances of Stainless Steel
Conversion Table of Temperatue, Length,Mass,Pressure
NPS-Nominal-Pipe-Size and DN – Diametre Nominal
ISO Tolerances For FastenersISO Tolerance Chart|Machining Process associated with ISO IT Tolerance GradeStainless Steel Thickness Weight Table
Galvanized Structural Steel Thickness Weight Table
Cold Rolled Steel Thickness Weight Table
Hot Rolled Steel Thickness Weight Table

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