SCALES FOR MODEL RAILROADING

[VMF115]

VI SCALE
Accepted Scale: 1:5.5 or 55.4mm=1'
STANDARD GAUGE VI

V SCALE
Accepted Scale: 1:8 or 38.1mm=1'3 (???)
STANDARD GAUGE V

IV SCALE
Accepted Scale: 1:11 or 27.7mm=1' (old definition 1:20)
STANDARD GAUGE IV
[INDUSTRIAL GAUGE IVi] (G GAUGE MODELLED ON EUROPEAN INDUSTRIAL GAUGE)

1" SCALE
Accepted Scale: 1:12 or ~1"=1' 25.4mm=1'
STANDARD GAUGE 1"

11/16" SCALE
Accepted Scale: 1:17.5 or 0.688"=1' (~11/16"=1') 17.5mm=1'
STANDARD GAUGE 1"

2-7/8" (GAUGE) SCALE
Accepted Scale: 1:19.65 or 0.611"=1' 15.5mm=1'
STANDARD GAUGE 2-7/8

III SCALE
Accepted Scale: 1:16 or 0.750"=1' 19.1mm=1' (old defs 1:22, 1:23)
STANDARD GAUGE III
NARROW GAUGE IIIn3 (uses I standard track)
[NARROW GAUGE IIIe] (G GAUGE MODELLED ON EUROPEAN NARROW GAUGES)
NARROW GAUGE IIIn2.5 (used O std track)

SM SCALE
Accepted Scale: 1:19.1 or 0.630"=1' ~16mm=1'
METRIC GAUGE SM45

II SCALE
Accepted Scale: 1:22.5 or 0.633"=1" 15.5mm=1' (old defs 1:27 1:28)
STANDARD GAUGE II
[METRIC GAUGE IIm] (G GAUGE MODELLED ON EUROPEAN METRIC GAUGE)
[NARROW GAUGE IIe]

G SCALE (US ONLY)
Accepted Scale: 1:20.3 (1:24 also used)
NARROW GAUGE G (LARGE SCALE OR G GAUGE OF US 3' GAUGE) (uses 1 std track)

"STANDARD" (GAUGE) SCALE
Accepted Scale: 1:26.59 or 0.4513"=1' 11.5mm=1'
STANDARD GAUGE "STANDARD" (THREE RAIL)

"WIDE" (GAUGE) SCALE
Accepted Scale: 1:28.25 or 0.4247'=1' 10.8mm=1'
STANDARD GAUGE "WIDE" (THREE RAIL)

I SCALE
Accepted Scale: ~1:32 or 0.375"=1' 9.53mm=1' (old def 1:30)
1:30.5 or ~10mm=1'
STANDARD GAUGE I (LARGE SCALE OR G GAUGE MODELED ON US STANDARD GAUGE)
(G GAUGE MODELLED ON EUROPEAN NORMAL GAUGES)

9mm SCALE
Accepted Scale: 1:33.9 or 0.345"=1' ~9mm=1'
NORMAL GAUGE 9mm

Q SCALE
Accepted Scale: 1:45 or 0.267"=1' 6.77mm=1'
STANDARD GAUGE Q [0] (same as O std track)

7mm SCALE
Accepted Scale: 1:43.5 or 0.276"=1' ~7mm=1'
[NORMAL GAUGE 7MM]

O SCALE (1/4" SCALE) (TECHNICALLY ZERO SCALE)
Accepted Scale: ~1:48 or 0.250"=1' 6.35mm=1'
STANDARD GAUGE O (THREE RAIL)

STANDARD GAUGE (TWO RAIL) PROTO:48
Practiced Gauge: 1.688" (~1-11/16") 42.9mm or ~1.17"
Theoretical Gauge: 1.177"
NARROW GAUGE On4
NARROW GAUGE On3.5 [0m (uses S std track)]
NARROW GAUGE On3 (uses OO std track)
NARROW GAUGE On2.5
[NARROW GAUGE 0e] /0 MINEX/
NARROW GAUGE On2
NARROW GAUGE On1.5 (uses N std track)
Practiced Gauge: 0.354" ~9mm

I0M SCALE
Accepted Scale: 1:55 or 0.218"=1' ~5.5mm=1'
NORMAL GAUGE I0M

Fn3 SCALE
Accepted Scale: 1:55.5 or 0.216"=1' ~5.5mm=1'
NORMAL GUAGE Fn3

S SCALE (H1 SCALE)
Accepted Scale: 1:64th or 0.1875"=1' 4.76mm=1'
STANDARD GAUGE S [S] (C-D GAUGE)

NORMAL GAUGE S 5.5

TABLE TOP SCALE (_NOT_ TT)
Accepted Scale: [???]
[NORMAL GAUGE TABLE TOP]

4mm SCALE
Accepted Scale: [1:76 or 0.1579'=1' ~4.00mm-1']
[NORMAL GAUGE 4mm]

P4/S4 SCALE
Accepted Scale: 1:76.2 or 0.1579'=1' ~4.00mm=1'
NORMAL GAUGE P4

EEM SCALE
Accepted Scale: 1:76 or 0.1579'=1' 4.00mm=1'
NORMAL GAUGE EEM

EM SCALE
Accepted Scale: 1:76 or 0.1579'=1' 4.00mm=1'
NORMAL GAUGE EM

OO SCALE
Accepted Scale: 1:76 or 0.1579"=1' ~4.00mm=1'
[1:91 or 0.132"=1' 3.35mm=1' or ~1.1mm=1m] 00E
(also 3.5mm = 1")
1:76.2 or 0.157"=1' ~4.00mm=1'
STANDARD GAUGE OO

HO SCALE
Accepted Scale: 1:87.1 or 0.138"=1' *3.50mm=1'
[1:87 or ~3.50mm=1' (1:90 also)]
1:76.2 or ~4.00mm=1" (also 3.5mm = 1')
STANDARD GAUGE HO [H0]

E SCALE
Accepted Scale: ~1:96 0.125"=1' (~1/8"=1') 3.18mm=1'
STANDARD GAUGE E

QO SCALE
Accepted Scale: ~1:96 0.125" (~1/8"=1') 3.18mm=1'
STANDARD GAUGE QO

OOC SCALE
Accepted Scale: [~1:100 or 0.120"=1" 3.05mm=1"]
[NORMAL GAUGE 00C]

3mm SCALE
Accepted Scale: 1:101.6 or 0.118"=1' ~3.00mm=1'
NORMAL GAUGE 3mm

TM SCALE (version of TT)
Accepted Scale: 1:101.6 or 0.118"=1' ~3.00mm=1'
NORMAL GAUGE TM

TT3 SCALE (version of TT)
Accepted Scale: 1:101.6 or 0.118"=1' ~3.00mm=1'
NORMAL GAUGE TT3

TTX SCALE (version of TT)
Accepted Scale: 1:108 or 0.111"=1' [2.82mm=1']
NORMAL GAUGE TTX

TT SCALE (TABLETOP)
Accepted Scale: 1:120 or ~0.100"=1' 2.54mm=1'
[1:120 or 0.100"=1' 2.54mm=1']
~1:120 or 0.100"=1' 2.54mm=1'
STANDARD GAUGE TT [TT]

OOO SCALE (2mm SCALE)
Accepted Scale: 1:148 or 0.081"=1' 2.06mm=1'
1:152.4 or 0.0787"=1' ~2.00mm=1'
STANDARD GAUGE OOO
NORMAL GAUGE 000

MINITRIX SCALE
Accepted Scale: [~1:150 or 0.080"=1' 2.03mm=1']
[Also ~1:200 or 0.060"=1' 1.52mm=1"]
NORMAL GAUGE MINITRIX

2mm SCALE
Accepted Scale: [1:152.4 or ~2.00mm=1']
[NORMAL GAUGE 2mm]

N SCALE
Accepted Scale: ~1:160 or 0.075"=1' [1.90mm=1']
1:148 or ~2-1/16mm=1'
[1:148 or ~2-1/16mm=1 (also 1:160)]
+~1:150 or 2.03mm=1'+
~1:160 or 1.91mm=1'
STANDARD GAUGE N [N]
NARROW GAUGE Nn3 [Nm] N-NZR (uses Z std track)

HH(O) SCALE
Accepted Scale: 1:174 or 0.0620:=1' (~1/16"=1') 1.59mm=1"
STANDARD GAUGE HH(O)

K SCALE
Accepted Scale: [~1:180 or 0.0667'=1" 1.69mm=1']
[NORMAL GAUGE K]

QOO SCALE
Accepted Scale: ~1:192 or 0.0625"=1" (~1/16'=1") 1.59mm=1'
STANDARD GAUGE QOO

Z SCALE
Accepted Scale: ~1:220 or 0.055"=1' 1.39mm=1'
STANDARD GAUGE Z [Z]

TTT SCALE
Accepted Scale: ~1:240 or ~0.050"=1" 1.27mm=1"
STANDARD GAUGE TTT

M SCALE
Accepted Scale: 1:300 or 0.040"=1' 1.02mm=1'
STANDARD GAUGE M [M]

X SCALE
Accepted Scale: 1:304 or 0.0394'=1' ~1.00mm=1'
NORMAL GAUGE X

HZ SCALE
Accepted Scale: 1:440 or 0.0273"=1' 0.693mm=1"
NORMAL GAUGE HZ



I think this should be a sticky

[7thva_hunter]

Thanks for that!