Comparison of Drawing Scales
|
Inch-foot scales |
Inch-foot ratio |
Metric scale |
|
Full Size |
1:1 |
1:1 |
|
Half Size |
1:2 |
1:2 |
|
4” = 1’-0” |
1:3 |
|
|
3” = 1’-0” |
1:4 |
1:5 |
|
2” = 1’-0” |
1:6 |
|
|
1-1/2” = 1’-0” |
1:8 |
1:10 |
|
1” = 1’-0” |
1:12 |
|
|
¾” = 1’-0” |
1:16 |
1:20 |
|
½” = 1’-0” |
1:24 |
1:25 |
|
¼” = 1’-0” |
1:48 |
1:50 |
|
1” = 5’-0” |
1:60 |
|
|
1/8” = 1’-0” |
1:96 |
1:100 |
|
1” = 10’-0” |
1:120 |
|
|
1/16” = 1’-0” |
1:192 |
1:200 |
|
1” = 20’-0” |
1:240 |
1:250 |
|
1” = 30’-0” |
1:360 |
|
|
1/32” = 1’-0” |
1:384 |
|
|
1” = 40’-0” |
1:480 |
1:500 |
|
1” = 50’-0” |
1:600 |
|
|
1” = 60’-0” |
1:720 |
|
|
1” = 80’-0” |
1:960 |
1:1000 |
Conversion Factors
|
Quantity |
From inch-pound units |
To metric units |
Multiply by |
|
|
Length |
mile |
km |
1.609344 |
* |
|
|
yard |
m |
0.9144 |
* |
|
|
foot |
m |
0.3048 |
* |
|
|
|
mm |
304.8 |
* |
|
|
inch |
mm |
25.4 |
* |
|
Area |
square mile |
km 2 |
2.59 |
|
|
|
acre |
m 2 |
4046.87 |
|
|
|
|
ha (10000m 2 ) |
0.404687 |
|
|
|
square yard |
m 2 |
0.83612736 |
* |
|
|
square foot |
m 2 |
0.09290304 |
* |
|
|
square inch |
mm 2 |
645.16 |
* |
* Denotes the exact conversion.