Copyright 2009 T. Sheil & A. Sheil All Rights Reserved
Basic Distances for 3/16" Scale |
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82.5 feet (990 inches) = 1 mile |
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41.25 feet (495 inches) = 1/2 mile |
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Scale Distance |
Real-World Measurement |
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5.33 feet |
1 inch |
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10.66 feet |
2 inches |
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16 feet |
3 inches |
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21.33 feet |
4 inches |
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26.66 feet |
5 inches |
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10 feet |
1.875 inches |
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40 feet |
7.5 inches |
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50 feet |
9.375 feet |
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52 feet |
9.75 inches |
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60 feet |
11.25 inches |
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64 feet |
12 inches |
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72 feet |
13.5 inches |
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80 feet |
15 inches |
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100 feet |
18.75 inches |
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192 feet |
1 yard / 3 feet |
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1/64 Scale Lengths |
Real-World Measurement |
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1/2 inch |
1/128 inch |
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1 inch |
1/64 inch |
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2 inch |
1/32 inch |
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4 inch |
1/16 inch |
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8 inch |
1/8 inch |
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1 foot |
3/16 inch |
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1 foot 4 inches |
1/4 inch |
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2 foot 9 inches |
1/2 inch |
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4 feet |
3/4 inch |
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4 feet 8 inches or 56 inches |
7/8 inch |
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5 feet 4 inches or 64 inches |
1 inch |
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6 feet |
1 1/8 inch |
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6 feet 8 inches or 80 inches |
1 1/4 inches |
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8 feet |
1 1/2 inch |
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9 feet 4 inches |
1 3/4 inches |
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10 feet 8 inches |
2 inches |
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16 feet |
3 inches |
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21 feet 4 inches |
4 inches |
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26 feet 8 inches |
5 inches |
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Gauge |
Real-World Size |
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O / O27: 6 Foot 8 inches |
1 1/4 inches |
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6 Foot Wide Gauge |
1 1/8 inches |
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S Gauge: 4 foot 8 inches* |
7/8 inch |
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42 inch narrow gauge |
21/32 inch (5/8" plus 1 /32 inch) (16.668mm, close to HO 16.5mm gauge) |
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3 foot narrow gauge |
9/16 inch (approx 14.28mm) |
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30-inch narrow gauge |
15/32 inch (11.9mm Close to TT which is 12mm gauge) |
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2 foot narrow gauge |
3/8inch (9.535mm Close to N, which is 9mm gauge) |
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*Real-world standard gauge is 4 foot 8 1/2 inches. Because the half inch is a diminutive 1//128 inch in 1/64, it is conveniently overlooked.
For various O / O27 and S Makers
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Track Diameter |
Measurement in 1/64 Scale |
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27 inches |
144 feet (O27, Marx O27, Atlas) |
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31 inches |
165 feet, 4 inches (O, MTH RealTrax, Ross) |
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32 inches |
170 feet,8 inches (Gargraves O) |
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34 inches |
181 feet, 4 inches (Marx O27) |
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36 inches |
192 feet (Super O, Fastrack, Atlas) |
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38 inches |
202 feet, 8 inches[S gauge: S Trax, Am Classic] |
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40 inches |
213 feet, 4 inches [S gauge: AF] |
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42 inches |
224 feet (O, O27, MTH RealTrax, Gargarves O, Ross) [S gauge: Gargraves, AM Models] |
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45 inches |
240 feet (Atlas) |
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48 inches |
256 feet (Fastrack) [S gauge: S Trax. AM Models] |
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54 inches |
288 feet (O, O27, MTH RealTrax, Atlas, Gargraves O, Ross) [S gauge: K-Line, Gargraves, AM Models, Am Classic] |
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58 inches |
309 feet, 4 inches [S gauge: S Trax] |
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60 inches |
320 feet (Fastrack) |
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63 inches |
336 feet (Atlas, Gargraves O) [S gauge: Gargraves] |
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64 inches |
341 feet, 4 inches (Ross) |
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72 inches |
384 feet (O, O27, MTH RealTrax, Ross, Atlas, Gargraves O, Fastrack) [S gauge: Gargraves, Am Classic] |
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80 inches |
426 feet, 8 inches (Gargraves O, Ross) |
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81 inches |
432 feet (Atlas) |
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82 inches |
437 feet, 4 inches (MTH RealTrax) |
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84 inches |
448 feet (Fastrack, Rydin tubular) |
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88 inches |
469 feet, 4 inches (Ross) |
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89 inches |
474 feet, 8 inches (Gargraves O) |
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90 inches |
480 feet (Atlas) [S gauge: Am Classic] |
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96 inches |
512 Feet (Rydin tubular, Gargraves O, Ross) |
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99 inches |
528 feet (Atlas) |
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104 inches |
554 feet 8 inches (Ross) |
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106 inches |
565 feet, 4 inches (Gargraves O) |
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112 inches |
597 feet and 4 inches (Ross) |
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113 inches |
602 feet, 8 inches (Gargraves O) |
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120 inches |
640 feet (Gargraves O, Ross) |
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128 inches |
682 feet 8 inches (Gargraves O, Ross) |
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138 inches |
736 feet (Gargraves O) |
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O27 is standard in 27", 42", 54" and 72" diameter curves. Marx added a 34" diameter curve.
O gauge is standard 31", 42", 54", and 72" diameter curves.
MTH RealTrax is standard 31", 42", 54", 72" and 82" diameter curves.
Atlas O makes 27", 36", 45", 63", 72", 81:, 90" and 99"diameter curves.
Super O was made in 36" diameter curves.
Fastrack O by Lionel comes in 36", 48", 60", 72" and 84" diameter curves.
Gargraves makes O sectional track in 32", 42", 54", 63", 72", 80", 89", 96", 106", 113", 120", 128" and 138" diameter curves
Ross makes 31", 42", 54", 64", 72", 80", 88", 96", 104", 112", 120", and 128" diameter curves
Rydin makes 84" and 96" diameter curves that are compatible with standard O
American Flyer (AF) made 40" curves.
K-Line made 54" curves compatible with American Flyer
S Trax makes 38", 48"and 58" diameter curves. They list them by radius: 19", 24" and 29"
Gargraves makes sectional track in 42", 54", 63" and 72" diameter curves.
American Models makes 42", 48" and 54" curves
Am Classic makes 38", 55", 72" and 90"
***
The height, width and depth of objects, roadways and structural components. Measurements are given for average examples.
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Item |
3/16" Scale feet and inches |
Real-World Measurement |
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Small road's width |
10 feet |
1 7/8" |
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City Street width (blacktop) |
15 to 20 feet |
2 13/16" to 3 3/4" |
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One lane narrow sidewalk |
2 feet |
3/8" |
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Average Sidewalk |
6 foot |
3/4" |
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Sidewalk with dirt edges |
5 foot |
15/16" |
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Slate Sidewalk Slabs |
16" by 24" to 36" by 42" |
1/4" by 3/8" to 9/16" by 11/16" |
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Sidewalk squares (lines etched in concrete) |
3'by 3' to 4' by 4', 3' by 4' is also common |
9/16" by 9/16" to 3/4" by 3/4", 9/16" by 3/4" is also common |
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Cobblestones |
8" long and 4" wide |
1/8" by 1/16" |
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Curbs |
4" wide, height nomally from 4" to 8", but can be up to 12" |
1/16" wide, height normally 1/16" to 1/8", but can be up to 3/16" |
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Sewer Grates on street corners |
16" by 20" to 20" by 28" |
1/4" by 5/16" to 5/16" by 7/16" |
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Manhole covers |
20" to 32" diameter |
5/16" to 1/2" diameter |
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Driveway (average) |
7' to 10' wide |
1 5/16" to 1 7/8" |
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Low fence or railing |
24" to 32" |
3/8" to 1/2" |
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Fence around yard |
3' to 4' |
9/16" to 3/4" |
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Barrier fence (to keep people out) |
6' to 8' |
1 1/8" to 1 1/2" |
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Height of porch floor over ground |
32" to 48" |
1/2" to 3/4" |
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Height of Modern Door |
76" to 80" / 6'4 to 6'8" |
1' 3/16" to 1 1/4" |
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Height of Doors in old buildings |
72" to 76" / 6'0 to 6'4 |
1 1/8" to 1 3/16" |
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Door width for single door |
28" to 36" |
7/16" to 9/16" |
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Transom Over Door (average) |
8" to 12" |
1/8" to 3/16" |
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Bucket |
12" high, 8"circumference at top |
3/16" tall, 1/8" circumference at top |
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Broom |
Straw bristles, 12"; total height 4' 4" to 5" |
Straw part is 3/16"; total length 13/16" to 15/16" |
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Rakes, hoes, long-handled shovels, mops, other pole tools. |
4' to 5' tall |
3/8" to 15/16" tall |
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Short shovel, pickaxe, maul, axe |
32" to 36" long |
1/2" to 9/16" |
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Railings alongside steps |
28" to 36" |
7/16" to 9/16" high |
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Porch steps |
2' to 4' wide, 4" to 8" high riser |
3/8" to 3/4" wide, height between steps is 1/16 for 4", 3/32 for 6" and 1/8" for 8 inches |
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House staircases and fire escapes |
16" to 24" wide, height between steps is 4" to 8" |
1/4" to 5/16" wide, height between steps is 1/16 for 4", 3/32 for 6" and 1/8" for 8 inches |
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Kitchen counter |
36" high, 16" to 24" deep |
9/16" high, 1/4" to 3/8" deep |
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Store counter (average) |
42" to 48" inches high |
5/8" to 3/4" high |
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Height of Average Man |
5'8" to 6" |
1 1/16" to 1 1/8" |
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Height of Average Woman |
5'4" to 5'8" |
1" to 1 1/16" |
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