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Model Scale Charts - Scale Conversion Chart
Contributed by: wirewolf  (John)
Average Rating : 5.0000/5.00
Published on: 03-22-2004   Views: 6368   Link to this article   »  Bookmark/Share this Article
Article Content

Scale Conversion Chart

Example: at a scale of 1/4"=1' a fitting 3/4" (0.75) long on the ship will measure 1/64", or .016".

Dimension on model
Dimension on Full Sized Ship in Inches at a scale of:
Fraction
(inch)
Drill
Sizes
Decimal
(inch)
Metric
(mm)
1/8"=1'
1:96
3/16"=1'
1:64
1/4"=1'
1:48
3/8"=1'
1:32
1/2"=1'
1:24
3/4"=1'
1:16
1"=1'
1:12
1.5"=1'
1:8
1/256
---
0.004
0.10
0.38
0.25
0.19
0.13
0.09
0.06
0.05
0.03
1/128
---
0.008
0.20
0.75
0.50
0.38
0.25
0.19
0.13
0.09
0.06

80
0.013
0.33
1.25
0.83
0.62
0.42
0.31
0.21
0.16
0.10

79
0.014
0.36
1.34
0.90
0.67
0.45
0.34
0.22
0.17
0.11
1/64
78
0.016
0.40
1.50
1.00
0.75
0.50
0.38
0.25
0.19
0.13

77
0.018
0.46
1.73
1.15
0.86
0.58
0.43
0.29
0.22
0.14

76
0.020
0.51
1.92
1.28
0.96
0.64
0.48
0.32
0.24
0.16

75
0.021
0.53
2.02
1.34
1.01
0.67
0.50
0.34
0.25
0.17

74
0.022
0.56
2.11
1.41
1.06
0.70
0.53
0.35
0.26
0.18

73
0.024
0.61
2.30
1.54
1.15
0.77
0.58
0.38
0.29
0.19

72
0.025
0.64
2.40
1.60
1.20
0.80
0.60
0.40
0.30
0.20

71
0.026
0.66
2.50
1.66
1.25
0.83
0.62
0.42
0.31
0.21

70
0.028
0.71
2.69
1.79
1.34
0.90
0.67
0.45
0.34
0.22

69
0.029
0.74
2.78
1.86
1.39
0.93
0.70
0.46
0.35
0.23
1/32
68
0.031
0.79
3.00
2.00
1.50
1.00
0.75
0.50
0.38
0.25

67
0.032
0.81
3.07
2.05
1.54
1.02
0.77
0.51
0.38
0.26

66
0.033
0.84
3.17
2.11
1.58
1.06
0.79
0.53
0.40
0.26

65
0.035
0.89
3.36
2.24
1.68
1.12
0.84
0.56
0.42
0.28

64
0.036
0.91
3.46
2.30
1.73
1.15
0.86
0.58
0.43
0.29

63
0.037
0.94
3.55
2.37
1.78
1.18
0.89
0.59
0.44
0.30

62
0.038
0.97
3.65
2.43
1.82
1.22
0.91
0.61
0.46
0.30

61
0.039
1.00
3.78
2.52
1.89
1.26
0.94
0.63
0.47
0.31
1/16
52
0.063
1.59
6.00
4.00
3.00
2.00
1.50
1.00
0.75
0.50

47
0.079
2.00
7.56
5.04
3.78
2.52
1.89
1.26
0.94
0.63
3/32
42
0.094
2.38
9.00
6.00
4.50
3.00
2.25
1.50
1.13
0.75

---
0.118
3.00
11.34
7.56
5.67
3.78
2.83
1.89
1.42
0.94
1/8
---
0.125
3.18
12.00
8.00
6.00
4.00
3.00
2.00
1.50
1.00
5/32
---
0.156
3.97
15.00
10.00
7.50
5.00
3.75
2.50
1.88
1.25

---
0.157
4.00
15.12
10.08
7.56
5.04
3.78
2.52
1.89
1.26
3/16
---
0.188
4.76
18.00
12.00
9.00
6.00
4.50
3.00
2.25
1.50

---
0.197
5.00
18.90
12.60
9.45
6.30
4.72
3.15
2.36
1.57
7/32
---
0.219
5.56
21.00
14.00
10.50
7.00
5.25
3.50
2.63
1.75

---
0.236
6.00
22.68
15.12
11.34
7.56
5.67
3.78
2.83
1.89
1/4
---
0.250
6.35
24.00
16.00
12.00
8.00
6.00
4.00
3.00
2.00

---
0.276
7.00
26.46
17.64
13.23
8.82
6.61
4.41
3.31
2.20
9/32
---
0.281
7.14
27.00
18.00
13.50
9.00
6.75
4.50
3.38
2.25
5/16
---
0.313
7.94
30.00
20.00
15.00
10.00
7.50
5.00
3.75
2.50

---
0.315
8.00
30.24
20.16
15.12
10.08
7.56
5.04
3.78
2.52
11/32
---
0.344
8.73
33.00
22.00
16.50
11.00
8.25
5.50
4.13
2.75

---
0.354
9.00
34.02
22.68
17.01
11.34
8.50
5.67
4.25
2.83
3/8
---
0.375
9.53
36.00
24.00
18.00
12.00
9.00
6.00
4.50
3.00

---
0.394
10.00
37.80
25.20
18.90
12.60
9.45
6.30
4.72
3.15
13/32
---
0.406
10.32
39.00
26.00
19.50
13.00
9.75
6.50
4.88
3.25
15/32
---
0.469
11.91
45.00
30.00
22.50
15.00
11.25
7.50
5.63
3.75
1/2
---
0.500
12.70
48.00
32.00
24.00
16.00
12.00
8.00
6.00
4.00
9/16
---
0.563
14.29
54.00
36.00
27.00
18.00
13.50
9.00
6.75
4.50
5/8
---
0.625
15.88
60.00
40.00
30.00
20.00
15.00
10.00
7.50
5.00
11/16
---
0.688
17.46
66.00
44.00
33.00
22.00
16.50
11.00
8.25
5.50
3/4
---
0.750
19.05
72.00
48.00
36.00
24.00
18.00
12.00
9.00
6.00
13/16
---
0.813
20.64
78.00
52.00
39.00
26.00
19.50
13.00
9.75
6.50
7/8
---
0.875
22.23
84.00
56.00
42.00
28.00
21.00
14.00
10.50
7.00
15/16
---
0.938
23.81
90.00
60.00
45.00
30.00
22.50
15.00
11.25
7.50
16/16
---
1.000
25.40
96.00
64.00
48.00
32.00
24.00
16.00
12.00
8.00
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Author Profile: More articles by wirewolf John:
wirewolf  John
Captain - (Ol' Man)
Join Date: 11-25-2003
Posts: 1864
Homepage: http://shipmodeling.net
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