How do I use the scale calculator?

Input your real-world dimension and select your desired scale, or input a drawing dimension and scale to find the real-world size. You can also generate a scale bar for visual reference.

What types of scales are supported?

The calculator supports various scales including metric (e.g., 1:100, 1:50) and imperial (e.g., 1/8" = 1', 1/4" = 1').

Scale Pro.

Convert between drawing measurements and real-world dimensions. Supports all common imperial and metric architectural scales.

Conversion Mode

Scale

Common scales only

Imperial (Architectural)

Metric

Calculate

Drawing Measurement

Real Dimension

4'-0.00"

At scale 1/4" = 1'-0", 1 inches on the drawing equals 4'-0.00" in reality.

Scale Bar

Generate a printable scale bar for your drawings

Understanding 1/4" = 1'-0"

At this scale, every 1/4" on your drawing represents 1 foot in real life.

Scale ratio: 1:48

Common Scale Uses

1/8" = 1'-0"Site plans, large buildings

1/4" = 1'-0"Floor plans, elevations

1/2" = 1'-0"Wall sections

1-1/2" = 1'-0"Details, millwork

3" = 1'-0"Large details

1:100Floor plans (metric)

1:50Sections (metric)

1:20Details (metric)

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