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Converting to HO scale - Model Railroader Magazine

Author

Ava White

Updated on April 07, 2026

Terry,

The easiest method is to simply divide by 87.  Of course, if you want more precise measurements, you might want to consider investing a few dollars in a scale ruler, such as this one

Good luck! Smile [:)] 

Robert Beaty

The Laughing Hippie

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The CF-7...a waste of a perfectly good F-unit!

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Then it comes to be that the soothing light at the

end of your tunnel, Was just a freight train coming

your way.          -Metallica, No Leaf Clover

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