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CAD · Drawing
Drawing Scale Converter
Convert between real-world measurements and drawing dimensions for any architectural scale — instantly.
Select Scale
Custom: 1 :
Real World → Drawing
Drawing dimension
—
Drawing → Real World
Real world dimension
—
Active scale: 1:100
Common Uses
1:1 Details, joinery
1:5 Large-scale details
1:10 Construction details
1:20 Room details
1:50 Floor plans (small)
1:100 Floor plans, sections
1:200 Site plans (small)
1:500 Site layouts
1:1250 OS mapping
1:2500 Urban masterplan
How it works
At scale 1:100, every 1mm on the drawing equals 100mm (10cm) in reality. The converter handles unit conversion automatically.