HO or H0 is a rail transport modelling scale using a 1:87 scale (3.5 mm to 1 foot). It is the most popular scale of model railway in the world. [1][2] The rails are spaced 16.5 millimetres (0.650 in) apart for …

HO scale trains have long held the crown as the most popular model train scale in the world. Striking a balance between size, detail, affordability, and accessibility, HO (which stands for “Half O” scale) is …

At half the size of O scale, HO scale trains can fit into smaller spaces and are the perfect size for most hobbyists whether you are just a beginner or a seasoned modeler. Popular manufacturers of HO …

Explore the ultimate guide to HO scale trains, tracks, and gauge sets. Learn everything from layout tips to maintenance, accessories, and where to buy the best HO model trains.

We have a huge collection of rare, hard-to-find, collectable and out-of-production HO Scale model trains and accessories. Shop freight cars, passengers, engines, scenery, track, buildings and more.

Jul 31, 2025 · See the historical journey of HO scale trains from their 1930s origins during the Great Depression to becoming the world's most popular model railroad scale.

Nov 12, 2021 · HO is by far the most popular model train scale in the U.S. and Canada. The HO scale ratio is 1:87.1. HO scale modelers tend to have the widest variety of models available for rolling …

A lifetime of model railroading fun starts here, with complete starter sets in popular scales. Our huge selection of model trains, scale structure and scenery has the right items for every level of the hobby.

Sep 22, 2025 · A popular model train scale, HO scale (a ratio of 1:87) strikes a good mix between size and intricacy. While still being space-efficient, it enables the simulation of complex landscapes, …

The official online store for the Atlas Model Railroad Company, Inc. manufacturer and seller of model trains and track in N, HO, O and Z scales.