Scale Conversion Tool
SpecularModels Scale Conversion
The Converter takes the hardwork out off finding out measurements, you can either convert a known size and scale into another or use the 1/1 option and measure a real world size to any other scale listed.
Simply enter the amount, unit (defaults to mm) and scale(defaults to 1/1) to convert from and select the units and scale to convert to.
Click the button and the result will be displayed.
Common Model Railway Gauges:
16.5mm: Used for OO and HO scales.
9mm: Used for N scale.
32mm: Used for O scale.
45mm: Used for G scale.
12mm: Used for TT scale.
6.5mm: Used for Z scale.
1/4th Grand Scale
1/8th Live Steam
1/22nd Guage 3
1/29th Guage 2
1/32nd Guage 1
Scale Conversion Tool
Convert any measurement in a known scale into another known scale.
to in scale
Converted Measure =
Calculate the scale from two measurements. Keep both measurements in the same format, if the top one is inches, then consider the bottom inches also. (Or mm, metres, feet - as long as they're both the same)
Measurement of large scale (eg length of real car)Measurement of smaller scale (eg. length of car model)
Scale is