inch

0

1

2

3

4

5

6

7

8

9

10

Fraction

Decimal

mm

0

0.000000

0.000

25.400

50.800

76.200

101.600

127.000

152.400

177.800

203.200

228.600

254.000

1/64

0.015625

0.397

25.797

51.197

76.597

101.997

127.397

152.797

178.197

203.597

228.997

254.397

1/32

0.031250

0.794

26.194

51.594

76.994

102.394

127.794

153.194

178.594

203.994

229.394

254.794

3/64

0.046875

1.191

26.591

51.991

77.391

102.791

128.191

153.591

178.991

204.391

229.791

255.191

1/16

0.062500

1.588

26.988

52.388

77.788

103.188

128.588

153.988

179.388

204.788

230.188

255.588

5/64

0.078125

1.984

27.384

52.784

78.184

103.584

128.984

154.384

139.784

205.184

230.584

255.984

3/32

0.093750

2.381

27.781

53.181

78.581

103.981

129.381

154.781

180.181

205.581

230.981

256.381

7/64

0.109375

2.778

28.178

53.578

78.978

104.378

129.788

155.178

180.578

205.978

231.378

256.778

1/8

0.125000

3.175

28.575

53.795

79.375

104.775

130.775

155.575

180.975

206.375

231.375

257.175

9/64

0.140625

3.572

28.972

54.372

79.772

105.772

130.572

155.972

181.372

206.772

232.172

257.572

5/32

0.156250

3.969

29.369

54.769

80.169

105.569

130.969

156.369

181.769

207.169

232.569

257.969

11/64

0.171875

4.366

29.766

55.166

80.566

105.966

130.366

156.766

182.166

207.566

232.966

258.366

3/16

0.187500

4.762

30.162

55.562

80.962

106.362

131.762

157.162

182.562

207.962

233.362

258.762

13/64

0.203125

5.169

30.599

55.969

81.359

106.759

132.159

157.559

182.959

208.359

233.759

259.159

7/32

0.218750

5.556

30.956

56.356

81.756

107.156

132.556

157.956

183.356

208.756

234.156

259.556

15/64

0.234375

5.953

31.353

56.753

82.153

108.553

132.953

158.353

183.753

209.153

234.553

259.953

1/4

0.250000

6.350

31.750

57.150

82.550

107.950

133.350

157.750

184.150

209.550

234.950

260.350

17/64

0.265625

6.747

32.147

57.547

82.947

108.347

133.747

157.147

184.547

209.947

235.347

260.747

9/32

0.281250

7.144

32.544

57.944

83.344

108.744

134.144

159.544

184.944

210.344

235.744

261.144

19/64

0.296875

7.541

32.941

58.341

83.741

109.141

134.541

159.941

185.341

210.741

236.141

261.541

5/16

0.312500

7.938

33.338

58.738

84.138

109.538

134.938

160.338

185.738

211.138

236.538

261.938

21/64

0.328125

8.334

33.734

59.134

84.534

109.934

135.334

160.734

186.134

211.534

236.934

262.334

11/32

0.343750

8.731

34.131

59.531

84.931

110.331

135.731

160.338

186.531

211.931

237.331

262.731

23/64

0.359375

9.128

34.528

59.928

85.328

110.728

136.128

161.131

186.928

212.328

237.728

263.128

3/8

0.375000

9.525

34.925

60.325

85.725

111.125

136.525

161.528

187.325

212.725

238.125

263.525

25/64

0.390625

9.922

35.322

60.722

86.122

111.522

136.922

162.322

187.722

213.122

238.522

263.922

13/32

0.406250

10.319

35.719

61.119

86.519

11.919

137.319

162.719

188.119

213.519

238.919

264.319

27/64

0.421875

10.716

36.116

61.516

86.916

112.316

137.716

163.116

188.516

213.916

239.316

264.716

7/16

0.437500

11.112

36.512

61.912

87.312

112.712

138.112

163.512

188.912

214.312

239.712

265.112

29/64

0.453125

11.509

36.909

62.309

87.709

113.109

138.509

163.909

189.309

214.709

240.109

265.509

15/32

0.468750

11.906

37.306

62.706

88.106

113.506

138.906

164.306

189.706

215.106

240.506

265.906

31/64

0.484375

12.303

37.703

63.103

88.503

113.903

139.303

164.703

190.103

215.503

240.903

266.303

1/2

0.500000

12.700

38.100

63.500

88.900

114.300

139.700

165.100

190.500

215.900

241.300

266.700

33/64

0.515625

13.097

38.497

63.897

89.297

114.697

140.097

165.497

190.897

216.297

241.697

267.097

17/32

0.531250

13.494

38.894

64.294

89.694

115.094

140.494

165.894

191.294

216.694

242.094

267.494

35/64

0.546875

13.891

39.291

64.691

90.091

115.491

140.891

166.291

191.691

217.091

242.491

, , 267.891

9/16

0.562500

14.288

39.688

65.088

90.488

115.888

141.288

166.688

192.088

217.488

242.888

268.288

37/64

0.578125

14.684

40.084

65.484

90.884

116.284

141.684

167.084

192.484

217.884

243.284

268.684

19/32

0.593750

15.081

40.481

65.881

91.281

116.681

142.081

167.481

192.881

218.281

243.681

269.081

39/64

0.609375

15.478

40.878

66.278

91.678

117.078

142.478

167.878

193.278

218.678

244.078

269.478

5/8

0.625000

15.875

41.275

66.675

92.075

117.475

142.875

168.275

193.675

219.075

244.475

269.875

41/64

0.640625

16.272

41.672

67.072

92.472

117.872

143.272

168.672

194.072

219.472

244.872

270.272

21/32

0.656250

16.669

42.069

67.469

92.869

118.269

143.669

169.069

194.469

219.869

245.269

270.669

43/64

0.671875

17.066

42.466

67.866

93.266

118.666

144.066

169.466

194.866

220.266

245.666

271.066

11/16

0.687500

17.462

42.862

68.262

93.662

119.062

144.462

169.862

195.262

220.662

246.062

271.462

45/64

0.703125

17.859

43.259

68.659

94.059

119.459

144.859

170.259

195.659

221.059

246.459

271.859

23/32

0.718750

18.256

43.656

69.056

94.456

119.856

145.256

170.656

196.056

221.456

246.856

272.256

47/64

0.734375

18.653

44.053

69.453

94.853

120.253

145.653

171.053

196.453

221.853

247.253

272.653

3/4

0.750000

19.050

44.450

69.850

95.250

120.650

146.050

171.450

196.850

222.250

247.650

273.050

49/64

0.765625

19.447

44.847

70.247

95.647

121.047

146.447

171.847

197.247

222.647

248.047

273.447

25/32

0.781250

19.844

45.244

70.644

96.044

121.444

146.844

172.244

197.644

223.044

248.444

273.844

51/64

0.796875

20.241

45.641

41.041

96.441

121.841

147.241

172.641

198.041

223.441

248.841

274.241

13/16

0.812500

20.638

46.038

71.438

96.838

122.238

147.638

173.038

198.438

223.838

249.238

274.638

53/64

0.828125

21.034

46.434

71.834

97.234

122.634

148.034

173.434

198.834

224.234

249.634

275.034

27/32

0.843750

21.431

46.831

72.231

97.631

123.031

148.431

173.831

199.231

224.631

250.031

275.431

55/64

0.859375

21.828

47.228

72.628

98.028

123.428

148.828

174.228

199.628

225.028

250.428

275.828

7/8

0.875000

22.225

47.625

73.025

98.425

123.825

149.225

174.625

200.025

225.425

250.825

276.225

57/64

0.890625

22.622

48.022

73.422

98.822

124.222

149.622

175.022

200.422

225.822

251.222

276.622

29/32

0.906250

23.019

48.419

73.819

99.219

124.619

150.019

175.419

200.819

226.219

251.619

277.019

59/64

0.921875

23.416

48.816

74.216

99.616

125.016

150.416

175.816

201.216

226.616

252.016

277.416

15/16

0.937500

23.812

49.212

74.612

100.012

124.412

150.812

176.212

201.612

227.012

252.412

277.812

61/64

0.953125

24.209

49.609

75.009

100.409

125.809

151.209

176.609

202.009

227.409

252.809

278.209

31/32

0.968750

24.606

50.006

75.406

100.806

126.206

151.606

177.006

202.406

227.806

253.206

278.606

63/64

0.984375

25.003

50.403

75.803

101.203

126.603

152.003

177.403

202.803

228.203

253.603

279.003