Scale Converter
Scale Converter
Drawing and real-world lengths at any architectural scale
1:
Length on drawing
mm
Real-world length
m
Length on drawing = real-world length ÷ scale denominator. Edit either field — the other updates instantly.
Which scale fits your sheet?
The real-world length above, converted to paper lengths at every common architectural scale. Click a row to switch to that scale.
| Scale | On paper |
|---|---|
| 1:1 Current | – |
| 1:2 Current | – |
| 1:5 Current | – |
| 1:10 Current | – |
| 1:20 Current | – |
| 1:25 Current | – |
| 1:50 Current | – |
| 1:100 Current | – |
| 1:200 Current | – |
| 1:250 Current | – |
| 1:500 Current | – |
| 1:1000 Current | – |
| 1:1250 Current | – |
| 1:2500 Current | – |
Quick examples at this scale
How typical real-world objects measure on your drawing.
Door — 0.9 m
–
Car — 4.5 m
–
Room — 4 m
–
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