What is the difference between O scale and HO Scale?
William Taylor
Updated on March 26, 2026
What is the difference between O scale and HO Scale?
For starters, HO and O are completely different scales. HO is 1:87, while in the U.S. O scale is 1:48. I believe it is 1:43 in Europe. Lionel trains are not built to scale (they are essentially toys), though they run on O gauge track.
Which is better HO or N scale?
An advantage of N scale is that it allows hobbyists to build layouts that take up less space than HO scale, or put longer track runs into the same amount of space, because the models are smaller (by nearly a half) than they are in HO scale (1∶87).
What is the most popular scale for model trains?
HO
With a track gauge of 16.5 mm and a scale of 1:87, HO is the most common model train size today. Lionel has manufactured HO trains several times in its history.
Is O bigger than HO?
Scale implies that is it a scaled down version of the real thing. O scale used to be called 1/4 inch scale with the ratio to the real thing as 1:48 with HO being 1/8 inch scale and 1:86 or 1:87. O is the larger of the traditional scales.
Is HO the same as OO?
The difference between the two scales comes down to size. HO Scale models are built to 1:87th scale, meaning 87 packed together will in effect be the same size of the real thing. This is the correct scale for 16.5mm gauge track. OO Scale will appear slightly larger to HO Scale models and accessories.
Which is bigger N scale or HO?
HO Scale is the most popular of the scales, because it is larger than N, but allows more realistic layouts than the larger scales given the same amount of space. Tons of track, rolling stock, and accessories to choose from.
What size is HO?
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….HO scale.
| HO | |
|---|---|
| Scale | 3.5 mm to 1 foot |
| Scale ratio | 1:87 |
| Standard(s) | NEM 010 NMRA S-1.2 |
| Model gauge | 16.5 mm (0.65 in) |
What gauge are Bachmann trains?
Presently Bachmann offers trains in H0 scale, N scale (1:160 and 1:148), On30, 00 gauge, HOn30 (H0 scale on N tracks) and G scale around the world, in addition to buildings and accessories: North America – Bachmann Industries H0 scale, N scale (1:160), On30 and G scale.
Can Bachmann trains run on Hornby track?
Yes, any OO scale loco, wagon or coach will work on any OO scale track, regardless of brand. You can have for instance a Hornby engine pulling a Bachmann coach. You will find that you can also run on the same track HO scale rolling stock.
What are HO trains?
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. The rails are spaced 16.5 mm (0.650 in) apart for modelling 1,435 mm (4 ft 81⁄2 in) standard gauge tracks and trains in HO.