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Model Railroad Life Size
Scale Calculator

ypical model railroad scales are (largest to smallest):

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

Required Data Entry
Train Current Model Scale
1: Model Scale Fraction
      Life Size Feet (to be scaled)
   
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)