1:50 Scale Calculator & Conversion Chart
Floor plan standard · 2% of real size
1:50 is the workhorse of metric architectural drawing — floor plans and sections where 2 cm on paper equals a real meter. Physical study models at 1:50 are large enough to show door swings and stair geometry convincingly.
Precision Scale Conversion Calculator
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1:50 Scale Quick Facts
- 1 real foot = 0.24″ (6.1 mm) on the model
- 1 real meter = 20 mm on the model
- A 6 ft (183 cm) person = 36.6 mm (1.44″) tall
- Model is 2% of real size — use this as the scale percentage in 3D-print slicers
1:50 Scale Reference Chart
| Real Size | mm | cm | inches |
|---|---|---|---|
| 1 inch | 0.508 mm | 0.051 cm | 0.02″ |
| 1 foot | 6.1 mm | 0.61 cm | 0.24″ |
| 6 ft (person) | 36.6 mm | 3.66 cm | 1.44″ |
| 1 meter | 20 mm | 2 cm | 0.787″ |
| 3 m (room height) | 60 mm | 6 cm | 2.362″ |
| 10 meters | 200 mm | 20 cm | 7.874″ |
| 30 m (building) | 600 mm | 60 cm | 23.622″ |
Frequently Asked Questions
What is 1:50 scale in mm, cm, and inches?
In 1:50 Scale, 1 unit on the model equals 50 of the same unit in real life. One real foot equals 0.24 inches (6.1 mm) on the model, one real meter equals 20 mm (2.00 cm), and the model is 2% of real size.
How tall is a 6 ft person in 1:50 Scale?
A 6-foot (183 cm) person stands 36.6 mm (1.44 inches) tall in 1:50 Scale.
How do I convert a real measurement to 1:50 Scale?
Divide the real measurement by 50. For example, a 10 m object is 200.0 mm long in 1:50 Scale. The calculator on this page does this automatically in both directions.