Scale Calculator

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Calculates the scaled size or real size of an object, or determines the scale of a model.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Scale Factor (e.g., 1:20), Real Length (e.g., meters), and Model Length (e.g., meters) in the units shown.

Step 2

Read Scale Ratio, Real Length (Calculated), and Scaled Length in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

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