Number of Gauge.

London or Old

English.

English

Legal

Standard.

Stubbs or Birmingham.

Brown and Sharpe.

Roebling.

Inches.

Inches.

Inches.

Inches.

Inches.

0000000

__

.5

-

-

__

000000

- .

•464

-

-

•46

00*00

-

•432

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-

.43

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•454

•4

•454

•46

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ooo

■425

•372

■425

•40961

•362

00

•38

•318

•38

•364

•331

0

•34

•324

•34

•32486

■307

1

•3

"3

■3

•2893

■283

2

•284

•276

•284

•25763

•263

3

•259

•252

•259

•22942

•244

4

•238

•232

•238

•20431

•225

5

.22

•212

.22

T8194

•207

6

•203

•192

•203

•16202

•192

7

.18

•176

•18

•14428

•177

8

•105

•16

•165

•12849

•162

9

•148

•144

•148

•11443

•148

10

.134

•128

•134

•10189

•135

11

•12

•116

■12

•09074

•12

12 .

•109

•104

•109

•08081

•105

13

■095

•092

•095

•07196

•092

14

■083

•08

•083

•06408

•08

15

•072

•072

•072

•05706

•072

10

■065

•064

•065

•05082

•063

17

■058

•056

•058

•04525

•054

18

.019

•018

•049

■0103

•047

1!)

•04

■04

•012

•03589

•041

20

■035

•036

•035

•0 1196

■035

21

•0315

•032

■032

•02846

•032

22

■0295

•0.8

■028

•02534

•028

23

•027

•024

•025

•02257

■025

24

■025

•022

•022

•0201

•023

25

■023

•02

■02

•0179

•02

20

•020.")

•018

•018

•01594

•018

27

•01875

•0164

•016

•01419

•017

28

•0165

•0148

•014

•01264

•016

29

•0155

•0136

•013

•01125

•015

30

■01375

•0124

•012

•01002

•014

31

■01225.

•0116

•01

•00893

•0135

32

•01125

•0108

•009

•00795

•013

33

•01025

•01

•008

•00708

•011

34

•0095

■0092

•007

•0063

•01

35

•009

•0084

•005

•00561

•0095

36

•0075

•0076

•004

•005

•009