Engineers Edge
 
Gear Pitch Conversions

[Design Resources] [Gear Application]

Diametric, module and circular pitches Conversion.

Diametral Pitch Circular
Pitch in Inches
Circular Pitch
in Millimeters
Module In
Millimeters
20
24
25.3995
31.4159
31.7653
32
36.2857
42.3333
48
50.8348
63.5950
64
72
80
84.6198
96
101.6697
120
127.1899
200
.1571
.1309
.1237
.100
.0989
.0982
.0856
.0742
.0654
.0618
.0494
.0491
.0436
.0393
.0371
.0327
.0309
.0262
.0247
.0157
3.990
3.325
3.142
2.540
2.513
2.494
2.199
1.885
1.661
1.571
1.256
1.247
1.107
.998
.943
.831
.785
.665
.628
.399
1.2700
1.0583
1.0
.8085
.8
.7938
.7
.6
.5288
.5
.4
.3969
.3524
.3177
.3
.2645
.25
.2116
.2
.127

 Spur Gear Conversion

Standard
Stock
Pitches
Addendum Dedendum Whole
Depth
Circular
Pitch
20
24
1/10
32
48
64
72
80
96
120
200
.0500
.0417
.0318
.0313
.0208
.0156
.0139
.0125
.0104
.0083
.0050
.0579
.0520
.0402
.0395
.0270
.0208
.0187
.0170
.0145
.0120
.0080
.1079
.0937
.0720
.0708
.0478
.0364
.0326
.0295
.0249
.0203
.0130
.1571
.1309
.1000
.0982
.0654
.0491
.0436
.0393
.0327
.0262
.0157

 

 

Home
Products and Services
Engineering Forum
CAD Forum

Engineering Design Data
Engineering Drafting Store
Engineering News
Engineering Calculators
Newsletter Register
Advertise

Feedback

© Copyright 2000 - 2008, by Engineers Edge, All rights reserved.  Disclaimer