H0m gauge
= H0m gauge
{wiki=H0m_gauge}
H0m gauge is a model railway scale that specifically represents a narrow-gauge railway system. It uses a track gauge of 1:87 scale, which is common in H0 (or HO) scale modeling, but with narrower track spacing to reflect the characteristics of narrow-gauge railroads. The typical track gauge for H0m is 12 mm (0.