ScaleCalc

With this Model Railway Engineer scale calculator you can easily calculate the size of a model in any scale from it’s real-world size.

Convert:

In (units):

To this scale (e.g., 76.2 for 1:76.2):

(Common model railways scales are: 76.2 for OO gauge; 148 for N gauge and 120 for Hornby TT:120 gauge.)

Select output unit:

Result:

If you’d like to know more about scale and gauge, I’ve written lots of articles on the subject.

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