Free Model Railroad Scale Tools

Convert real (prototype) size to scale size, or convert scale size to real size.

Convert inches to metrics, and convert the size of model railroad scales to other scale sizes (e.g. convert HO scale to OO gauge, or N scale)

Work out the track grade based on the length of track run and the vertical rise.

Work out helix dimensions to design and construct a working model railroad helix.

Measure scale speeds for trains to cover the distance from point A to point B.