Free Design Calculators
Scale & Proportion Calculator
Scale width, height, and other measurements by a chosen factor or percentage.
What this tool does
The calculator applies one factor consistently across dimensions and reports both enlarged and reduced values.
Scale width, height, and other measurements by a chosen factor or percentage.
The calculator applies one factor consistently across dimensions and reports both enlarged and reduced values.
Use the tool
Scale proportional measurements
Enter original dimensions and a scale factor.
Original dimensions and scale
Live result
156 × 104
Scaled dimensions
- Scale factor
- 0.65×
- Original ratio
- 1.5:1
- Area change
- 42.25% of original
How to use it
Three quick steps
- 1Enter original dimensions and a scale factor.
- 2Copy the proportional result without distorting the relationship.
- 3Verify the result in its real production context. Physical production may require rounding, bleed, material tolerances, or device-specific constraints.
Worked example
Example: Scale and Proportion Calculator
Scale a 240 × 160 layout to 65% while preserving its proportions.
FAQ
Questions about the scale and proportion calculator
Practical details about using the tool and understanding its result.
Keep working
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