Metric to Inch Screw Thread Conversions

M1

.0393

M1.1

.0433

M1.2

.0472

M1.4

.0551

M1.6

.0629

M1.7

.0669

M1.8

.0708

M2

.0787

M2.2

.0866

M2.3

.0905

M2.5

.0984

M2.6

.1023

M3

.1181

M3.5

.1378

M4

.1574

M4.5

.1771

M5

.1968

M6

.2362

M7

.2755

M8

.3149

M10

.3937

M12

.4724

M14

.5511

M16

.6299

M18

.7086

M20

.7874

M22

.8661

M24

.9448

M27

1.063

M30

1.181

M33

1.299

M36

1.417

M39

1.535

M42

1.654

M45

1.772

M48

1.890

M52

2.047

M56

2.205

M60

2.362

M64

2.520

M68

2.677

M72

2.835

M76

2.992

M80

3.150

M85

3.346

M90

3.543

M95

3.740

M100

3.937