Chart of Scales and Equivalents
Fractional Inch |
Decimal Equiv. |
% of Size (Scale) |
Inch to foot Equiv. |
1/16 |
.0625 |
1/192 |
1" = 16.0' |
3/32
> |
.0936 |
1/128 |
1" = 10.5' |
1/8 (HO Gauge) |
.1250 |
1/96 |
1" = 8.0' |
11/64 |
.1666 |
1/72 |
1" = 6.0' |
3/16 (S Gauge) |
.1875 |
1/64 |
1" = 5.2' |
1/4 (O Gauge) |
.250 |
1/48 |
1" = 4.0' |
19/64 |
.300 |
1/40 |
1" = 3.9' |
11/32 |
.343 |
1/35 |
1" = 3.3' |
3/8 |
.375 |
1/32 |
1" = 2.6' |
1/2 |
.500 |
1/24 |
1" = 2.0' |