Scale Conversion Calculator
Convert real-world dimensions to model scale dimensions. Supports common model scales like HO (1:87), N (1:160), O (1:48), and more.
Convert
Results
Model Size (inches)
0.828
Model Size (mm)
21.02
Scale Factor
0.0115
Model-to-Real Ratio
1:87
How to Use This Calculator
- Enter Real Dimension, Scale Denominator, and Input Unit.
- Set Inches, Feet, and Millimeters.
- Adjust Meters as needed.
- Review Model Size (inches) and Model Size (mm).
- Use Scale Factor and Model-to-Real Ratio to inform your decision.
Ad Placeholder
Related Calculators
Diorama Forced Perspective Calculator
Calculate forced perspective scale transitions for dioramas. Determine foreground and background element sizes for depth illusion.
Model Railroad Track Calculator
Plan model railroad layouts with minimum curve radius, track spacing, grade limits, and turnout sizing by scale.
Model Paint Coverage Calculator
Calculate how much paint you need for model kits based on surface area, coats, and whether the surface is primered.
Model Ship Rigging Calculator
Calculate thread diameter, rigging lengths, and ratline counts for scale model ship building.
Ad Placeholder