What Is the Typical Scale for Model Trains?

What Is the Typical Scale for Model Trains?

What Is the Typical Scale for Model Trains?

According to the National Model Rail Association, typical model trains range in scale from O being 1:45.2 to Z being 1:220. For comparison, O scale was formerly known as 1/4-inch scale before scale ratings were converted to letters.

Other typical model train scales include: O, On3 or On2 which equals 1:48 scale; S or Sn3 which equals 1:64 scale; OO which equals 1:76.2 scale; HO, HOn3 or HOn2 which equals 1:87.1 scale; TT or TTn3 which equals 1:120 scale; and N or N3, which equals 1:160 scale. The most common types of train scales are the HO and N scales. According to the National Model Railroad Association, the S scale of trains is also growing rapidly.