Model Railroad & Miniature Figure Life Size
Scale Calculator
This Javascript
calculator creates a calculated table of
scaled size objects from measured real life size objects, based on the
scale fraction, or the type of model railroad, in order to create a
more accurate layout. Track distances are the most difficult scale to
achieve because of physical space limitations of most layouts. These
scales vary somewhat worldwide and from manufacturer to manufacturer;
however these are the generally accepted sizes and conversions.
Calculations can be made in an automated fashion by selecting the scale
of your choice (current, generally standard scales listed only),
entering the Real Life Size in feet and clicking on Calculate; the
default is 87.1 for HO, the most popular scale. The scale fraction will
show in the scale fraction box after clicking on Calculate. To manually
process the calculation, choose Other for the scale; enter the scale
fraction of your choice directly in the scale fraction box. If the size
scale is 1:50, you should enter the 50 in the box. Enter the Real Life
Size in feet. For instance a wall is 8 feet high; enter 8. Then click
on Calculate. This will work with any scale size relationship. To do
any additional calculations, click on Clear Values prior to entering
any new values.
For figures, select "Other" for the scale and assuming 6 feet to the top of the head for scale measurement, type the appropriate ratio in the Model Scale Fraction box. In the Life Size Feet box, type the desired height in feet of the figure, length of weapon or other measurement for fairly accurate dimensions in millimeters.
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Typical model railroad scales
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Calculator
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|
1:12 |
Large Scale |
|
1:13.7 |
7/8 inch scale |
|
1:20.3 |
G, Three-Foot Gauge
on Gauge 1 Track |
|
1:22.5 |
LGB and Bachman |
|
1:24 |
Half scale |
|
1:29 |
Aristo-Craft, USA Trains,
standard gauge on #1 gauge |
|
1:32 |
I scale |
|
1:48 |
O scale |
|
1:64 |
S scale |
|
1:87.1 |
HO scale |
|
1:120 |
TT scale |
|
1:160 |
N scale |
|
1:220 |
Z scale |
| Figure Scale
Sizes |
| Size |
Ratio |
| 54 mm |
1:34 |
| 38 mm |
Use O scale |
| 35 mm |
1:52 |
| 33 mm |
1:55 |
| 28 mm |
Use S scale |
| 25 mm |
1:72 |
| 20 mm |
1:90 |
| 15 mm |
Use TT scale |
| 10 mm |
1:184 |
| 6 mm |
1:306 |
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