Starting Scale
Scaled
Step 1: Select your starting scale from the dropdown menu. This is the current scale of your plastic model kit or 3D printed model. Common scales include 28mm for miniatures or 1/24 for model kits.
Step 2: Choose your desired ending scale. This is the scale you want to convert your 3D printed model to. The calculator supports both mm scales and ratio scales.
Step 3: If your scale isn't listed, use the custom input field. You can enter scales like "1/72", "1:48", "35mm", or just "24" (which the scale calculator automatically converts to "1/24").
Step 4: Click "CALCULATE SCALE" to see the resize percentage for your plastic model kit or 3D printed file.
Step 5: Use the percentage shown to resize your 3D model in your printing software. For example, if it shows "Scale Original Model Up to 233.33%", set your 3D printer slicer to 233.33% scale.
Step 6: The visual preview shows how your scale model will change in size, maintaining accurate proportions for your 3D printed or plastic model kit project.
MM to Scale Ratio Conversions: The calculator uses industry-standard conversions for gaming miniatures. For example, 28mm scale equals 1/56 scale, while 32mm (used in modern games) equals 1/50 scale. These conversions are based on measuring from foot to eye level of a scale model figure.
Plastic Model Kit Scales: Traditional model kit scales like 1/24, 1/35, and 1/72 are preserved exactly as entered. The scale calculator recognizes these standard scales used in plastic model kits from major manufacturers.
3D Printing Considerations: When scaling 3D printed models, remember that scaling affects all dimensions. A 200% scale means your model will be twice as tall, twice as wide, and twice as deep - using 8 times the material.
Unknown Scale Assumptions: For mm scales not in our table, the calculator estimates using the formula 1600/mm. This approximation works well for most 3D printed miniatures and scale models between 6mm and 120mm.
Input Flexibility: The scale model calculator accepts various formats - "1/24", "1:24", "24th scale", or just "24" all convert to 1/24 scale, making it easy to work with different 3D printing and plastic model kit communities.