Is this tool private?

Yes. All processing happens locally in your browser. No data is uploaded.

What extras does this tool have?

Extras: (1) Core function, (2) Batch mode, (3) Copy results, (4) Download, (5) History, (6) CSV export, (7) Custom options, (8) Validation, (9) Warnings, (10) Stats, (11) Multi-format, (12) Configurable, (13) Preview.

Calculators Runs in your browser

Scale Calculator

Calculate scale factor for maps, models, blueprints. 100% private. 100% private.

100% Private Works Offline Instant

Scale reference (real : model)

Real length

Real unit

Model length

Model unit

Convert dimensions (fill one)

Real dimension (m)

Model dimension (cm)

Scale

1:100

Factor (real/model)

100

Model dim

0.5 cm

Real dim

—

Formula

factor = real / model = 100 / 1 = 100

Area ×10000Volume ×1000000

Batch (real dims, one per line)

100

200

300

Privacy: all calculations run locally in your browser.

Calculate scale factor for maps, models, blueprints. 100% private. 100% private. Everything runs locally in your browser — your data never leaves your device.

How to use

Enter your input in the tool above.
Adjust any options to your preference.
Use the Copy or Download buttons to save the result.
Everything happens locally — your data never leaves your browser.

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