Note

This manual is for LibreCAD’s stable release version 2.2.0.

Common Drawing Scales

Architect’s Scale (SI)

Drawing Scale

Common Use

1:1

Mockups / Samples / Small details

1:2

Construction details

1:5

Construction details

1:10

Construction details / Wall sections

1:20

Building sections

1:50

Building sections / Floor plans / Elevations

1:100

Floor plans / Elevations

1:200

Floor plans / Elevations / Site plans

1:500

Site plans

1:1000

Area plans

Architect’s Scale (Imperial)

Drawing Scale

Ratio

Common Use

Full scale

1:1

Mockups / Samples / Small details

3″=1′-0″

1:4

Small details

1 1⁄2″=1′-0″

1:8

Small details

1″=1′-0″

1:12

Small details / Construction details

​“3⁄4″=1′-0″”

1:16

Construction details / Wall sections

​“1⁄2″=1′-0″”

1:24

Building sections

3⁄8″=1′-0″

1:32

Wall sections / Building sections

1⁄4″=1′-0″

1:48

Building sections / Floor plans / Elevations

​“3⁄16″=1′-0″”

1:64

Floor plans / Elevations

​“1⁄8″=1′-0″”

1:96

Floor plans / Elevations / Site plans

​“3⁄32″=1′0″”

1:128

​“1⁄16″=1′-0″”

1:192

Site plan

Engineer’s scale (Imperial)

Drawing Scale

Ratio

Common Use

1″=10′-0″

120

Details

1″=20′-0″

240

Details / Working plans

1″=30′-0″

360

Working plans

1″=40′-0″

480

Working plans

1″=50′-0″

600

Working plans

1″=60′-0″

720

Working plans

1″=100′-0″

1200

Area plans