インチ・ミリ換算表

1 inch = 25.40mm

1 mm = 0.03937inch

inch
0
1/64
1/32
3/64

0
0.397
0.794
1.191

1
25.40025.79726.19426.591

250.80051.19751.59451.991

376.20076.59776.99477.391

4
101.600
101.997102.394102.7915
127.000
127.397127.794128.1916
152.400
152.797
153.194153.5917
177.800
178.197
178.594178.9918203.200
203.597203.994204.3919228.600
228.997229.394229.79110
254.000
254.397254.794255.19111
279.400
279.797
280.194280.59112
304.800
305.197305.594305.991

1/16
5/64
3/32
7/64

1.588
1.984
2.381
2.778

26.98827.88427.78128.17852.38852.78453.18153.57877.78878.18578.58178.978103.188
103.585103.981104.378128.588
128.985129.382
129.778153.988
154.385154.782
155.178179.388179.785
180.182
180.578204.788205.185205.582205.979

230.188230.585230.982231.379255.588255.985256.382256.779280.988281.385281.782282.179

306.388306.785
307.182
307.579

1/8
9/64
5/32
11/64

3.175
3.572
3.969
4.366

28.57528.97229.36929.76653.975
54.37254.76955.16679.37579.77280.16980.566104.775
105.172105.569
105.966130.175130.572130.969131.366

155.575
155.972
156.369
156.766

180.975
181.372
181.769
182.166

206.375
206.772207.169207.566

231.775232.172232.569232.966

257.176257.572
257.969258.366

282.576282.972
283.369
283.766307.976308.372308.769309.166

3/16
13/64
7/32
15/64

4.763
5.159
5.556
5.953

30.16330.55930.95631.35355.56355.95956.35656.75380.96381.36081.75682.153106.363106.760
107.156
107.553131.763132.160
132.557
132.953

157.163
157.560
157.957
158.353

182.563
182.960
183.357
183.753207.963
208.360
208.757
209.154233.363233.760
234.157
234.554258.763259.160
259.557
259.954284.163284.560
284.957
285.354309.563309.960
310.357
310.754

1/4
17/64
9/32
19/64

6.350
6.747
7.144
7.541

31.75032.14732.54432.94157.15057.54757.94458.34182.55082.94783.34483.741

107.950
108.347108.744109.141133.350133.747134.144134.541158.750
159.147
159.544
159.941184.150
184.547184.944
185.341209.550209.947210.344210.741234.950235.347235.744236.141260.351260.747
261.144261.541285.751
286.147286.544286.941311.151311.547
311.944312.341

5/16
21/64
11/32
23/64

7.938
8.334
8.731
9.128

33.33833.73434.13134.52858.73859.13459.53159.92884.13884.53584.93185.328109.538109.935
110.331110.728134.938135.335135.732
136.128160.338
160.735
161.132
161.528

185.738
186.135
186.532
186.928211.138211.535211.932
212.329236.538236.935
237.332
237.729

261.938
262.335
262.732
263.129287.338
287.735
288.132
288.529312.738
313.135
313.532
313.929

3/8
25/64
13/32
27/64

9.525
9.922
10.31910.71634.92535.32235.71936.11660.32560.72261.11961.51685.72586.12286.51986.916111.125111.522111.919112.316136.525
136.922137.319137.716161.925
162.322162.719163.116187.325
187.722188.119188.516212.725
213.122213.519213.916238.125238.522238.919239.316

263.526
263.922264.319264.716288.926
289.322289.719290.116314.326
314.722315.119315.516

7/16
29/64
15/32
31/64

11.11311.50911.90612.30336.51336.90937.30637.70361.91362.30962.70663.10387.31387.71088.10688.503112.713113.110113.506
113.903138.113138.510138.907139.303163.513163.910164.307164.703

188.913189.310189.707190.103214.313214.710215.107215.504

239.713240.110240.507240.904265.113265.510265.907266.304

290.513290.910291.307291.704

315.913316.310316.707317.104

1/2
33/64
17/32
35/6412.700
13.09713.49413.89138.10038.49738.89439.29163.50063.89764.29464.69188.90089.29789.69490.091114.300
114.697
115.094
115.491139.700
140.097140.494140.891

165.100
165.497
165.894166.291

190.500
190.897191.294191.691

215.900
216.297216.694217.091241.300
241.697242.094242.491266.701
267.097267.494267.891292.101
292.497292.874
293.291317.501
317.898318.294318.691

9/16
37/64
19/32
39/64

14.28814.68415.08115.47839.68840.08440.48140.87865.08865.48565.88166.27890.48890.88591.28191.678115.888116.285116.681117.078141.288
141.685142.082
142.478

166.688
167.085167.482
167.878

192.088
192.485
192.882
193.279

217.488217.885218.282
218.679242.888
243.285243.682244.079

268.288268.685
269.082269.479293.688294.085294.482294.879

319.088319.485319.882
320.279

5/8
41/64
21/32
43/64

15.87516.272
16.66917.06641.27541.67242.06942.46666.67567.07267.46967.86692.07592.47292.86993.266117.475
117.872
118.269
118.666

142.875
143.272
143.669
144.066168.275
168.672
169.069
169.466

193.675
194.072
194.469
194.866

219.075
219.472
219.869
220.266

244.475
244.872245.269245.666

269.876
270.272270.669
271.066

295.276295.672
296.069296.466

320.676321.073321.469321.866

11/16
45/64
23/32
47/64

17.46317.85918.25618.65342.86343.25943.65644.05368.20368.66069.05669.45393.66394.06094.45694.853119.063
119.460
119.856120.253

144.463144.860
145.257
145.653

169.863
170.260
170.657
171.053

195.263
195.660
196.057
196.454220.663221.060
221.457
221.854246.063
246.460
246.857
247.254271.463271.860
272.257
272.654296.863297.260
297.657
298.054322.263322.660
323.057
323.454

3/4
49/64
25/32
51/64

19.05019.44719.84420.24144.45044.84745.24445.64169.85070.24770.64471.04195.25095.64796.04496.441120.650
121.047
121.444121.841146.050
146.447146.844147.241

171.450
171.847172.244172.641196.850
197.247
197.644198.041

222.250
222.647
223.044
223.441247.650
248.047248.444248.841

273.051
273.447
273.844274.241298.451298.847
299.244299.641323.851324.248324.644325.041

13/16
53/64
27/32
55/64

20.63821.03421.43121.82846.03846.43446.83147.22871.43871.83572.23172.62896.83897.23597.63198.028122.238
122.635123.031123.428

147.638148.035
148.432148.828173.038
173.435
173.832
174.228

198.438198.835
199.232
199.629223.838224.235224.632
225.029249.238249.635250.032
250.429274.638275.035275.432275.829300.038
300.435
300.832301.229325.438325.835
326.232326.629

7/8
57/64
29/32
59/64

22.22522.62223.01923.41647.62548.02248.41948.81673.02573.42273.81974.21698.42598.82299.21999.616123.825
124.222124.619125.016149.225
149.622150.019150.416174.625175.022175.419175.816200.025200.422200.819201.216225.425225.822226.219226.616250.825251.222251.619252.016276.226
276.622277.019277.416301.626
302.022302.419302.816

327.026
327.423327.819328.216

15/16
61/64
31/32
63/64

23.81324.20924.60625.00349.21349.60950.00650.40374.61375.01075.40675.803100.013100.410100.806
101.203125.413125.810126.206
126.603150.813151.210151.607152.003176.213176.610177.007177.403201.613202.010202.407202.804

227.013227.410227.807228.204

252.413252.810253.207253.604

277.813278.210278.607279.004

303.213303.610304.007304.404

328.613329.010329.407329.804