zdesign: December 2015

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Typical model railroad scales

Calculator

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
1:76.2	OO scale
1:87.1	HO scale
1:120	TT scale
1:160	N scale
1:220	Z scale
Figure Size in mm (top of head)
Size	Ratio
60 mm	1:30
54 mm	1:32 eye level
54 mm	1:34 top of head
38 mm	1:48
35 mm	1:52
33 mm	1:55
32 mm	1:56
30 mm	1:60 Classic 28mm © *Fortress Figures*
28 mm	1:64
25 mm	1:72
20 mm	1:90
18 mm	1:101.6
15 mm	1:120
10 mm	1:183
6 mm	1:306

	RR Scale/Figure Size in mm
1:	Model Scale Fraction
	Life Size Feet (to be scaled)

Click on Clear Values prior to entering any new values
Calculated Results
English Layout Factors
	inches = 1 foot
	inches = 1 foot (rounded)
	inches (scale size)
	inches (scale size rounded)
Metric Layout Factors
	millimeters = 1 foot
	millimeters = 1 foot (rounded)
	millimeters (scale size)
	millimeters (scale size rounded)
Click on Clear Values prior to entering any new values
For gaming figures, the formula for the ratio is 304.8 (mm per foot) multiplied by the assumed height in feet divided by the figure scale height in mm. For example, if we have a figure we assume is 6 feet to the top of the head at 54mm we have 6x304.8=1,828.8 divided by 54=33.86, rounded to 34, the ratio is 1/34. I assume 6 feet to the top of the head for size measurement and calculated the ratio accordingly. Feel free to copy the code and customize it for your particular needs. Double your money back if you are not 100% satisfied! If you have any questions or comments, you can reach me by the email on the main links page. Other than graciously providing web space for this page, the fine folks at Fortress Figures are not responsible for the content. *Back to the Mini Sculpting Link Page*

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