N Scale (1:160) Calculator & Conversion Chart

Compact layout scale · 0.63% of real size

N scale (1:160, on 9 mm gauge track — the "N" is for nine) fits a complete layout with real scenery into a bookshelf or coffee table. It is the second most popular railway scale worldwide and the usual answer to "I want trains but have no space."

Precision Scale Converter & Calculator

Real World Size

Scale (1 : N)

Scaled Size

N Scale (1:160) Quick Facts

Scale factor: 1 ÷ 160 (0.63% of real size)
1 real foot = 0.075″ (1.91 mm) on the model
1 real meter = 6.25 mm (0.63 cm) on the model
A 6 ft (183 cm) person = 11.4 mm (0.45″) tall
Model is 0.63% of real size — use this as the scale percentage in 3D-print slicers

N Scale (1:160) Reference Chart

Real Size	mm	cm	inches
1 inch	0.159 mm	0.016 cm	0.006″
1 foot	1.9 mm	0.191 cm	0.075″
6 ft (person)	11.4 mm	1.14 cm	0.45″
1 meter	6.3 mm	0.625 cm	0.246″
3 m (room height)	18.8 mm	1.88 cm	0.738″
10 meters	62.5 mm	6.25 cm	2.461″
30 m (building)	187.5 mm	18.75 cm	7.382″

Frequently Asked Questions

What is N scale in mm, cm, and inches?

In N Scale (1:160), 1 unit on the model equals 160 of the same unit in real life. One real foot equals 0.075 inches (1.91 mm) on the model, one real meter equals 6.25 mm (0.63 cm), and the model is 0.63% of real size.

How tall is a 6 ft person in N Scale (1:160)?

A 6-foot (183 cm) person stands 11.4 mm (0.45 inches) tall in N Scale (1:160).

How do I convert a real measurement to N Scale (1:160)?

Divide the real measurement by 160. For example, a 10 m object is 62.5 mm long in N Scale (1:160). The calculator on this page does this automatically in both directions.

Is 1/160 the same as N Scale (1:160)?

Yes — "1/160", "1:160", and "N Scale (1:160)" all describe the same ratio. The scale factor is 1 ÷ 160, so the model is 0.63% of real size. Enter 160 in the calculator above to convert any measurement to or from this scale.