N to HO scale ratio ?

Discussion in 'FAQs' started by fran1942, May 10, 2006.

1. fran1942Member

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Apr 16, 2005
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Hello, I need to convert a structure from HO to N scale.
Can someone please tell me the ratio or percentage adjustment I will need to make to my plans.
Thank you.
2. Russ BellinisActive Member

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Feb 14, 2003
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Ho scale is 1/87, n scale is 1/160 so it is just slightly less than 1/2 of ho. If you double the size of the n scale structure you will be close. Do you have n scale plans? If you do get a scale rule from your local hobby shop or order on line. Scale rules generally have measurements in ho, n, s, and o scales. Measure your plans with the n scale rule and it will translate into feet and inches. Take the same feet and inches measurement on the ho scale rule and you can make ho scale plans.
3. 60103Pooh Bah

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Mar 25, 2002
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The ratio is 87/160 or 54.375% (if you use a photo reduction).

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