SCALE CONVERSION CALCULATOR
| Z = 1:220 | N = 1:160 |
| TT = 1:120 | HO = 1:87 (1:87.1) |
| OO = 1:76 (1:76.2) | S = 1:64 |
| O = 1:48(1:43.5) | G = 1:32,1:29,1:22.5 |
| 1/2 = 1:24 | 1" = 1/12 |
Convert from Real Size to Scale Size
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Convert from Scale Size to Real Size
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Scale Down
- Enter scale (160 for N scale).
- Enter real size and choose CM or INCH.
- Scale size appears automatically.
Scale Up
- Enter scale and scale size.
- Choose CM or INCH for the scale size.
- Real size displays in chosen unit.
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Constructing Your Model Scenery to Correct Proportions
Build realistic HO, N, OO scale layouts with properly proportioned scenery using foam board, accurate measurements, and this calculator.