First choose the train scale you are working with. Then simply type in how large the item is in real life (don’t forget to choose inches, feet, centimeters, or millimeters) and click calculate! Our scale model calculator will do the rest. A scale to real life calculator is coming soon.
For example, if you’re scratching building an industry and the prototype building is 50 ft long, in HO scale (1:87th scale) it would be 6.897 inches on your layout.