Scale Factor Calculator — Accurate Scaling for Models, Maps & Blueprints

Scale Factor Calculator

Calculate scaled dimensions, area & volume scaling factors. Enter original measurements and scale factor to get precise results for models, maps, blueprints, and design projects.

Step 1: Original Dimensions

Original Measurements

Enter the dimensions of the object, drawing, or space you want to scale. Height is optional; if set to zero, area scaling (2D) is assumed.

Step 2: Scale Factor

1.5x
<1 reduces, >1 enlarges

About Scale Factor

Scale factor = scaled dimension / original dimension. For area, multiply by (scale factor)². For volume, multiply by (scale factor)³.

Scaled Measurements

Summary
Scale Details
Formula & Chart

Scaled Dimensions (Length × Width × Height)

15.00 × 12.00 × 7.50 ft
Scale factor: 1.50x
Scaled Length
15.00 ft
Scaled Width
12.00 ft
Scaled Height
7.50 ft
Area Scale Factor
2.25x

Scaling Factors & Ratios

Linear Scale Factor
1.50x
k = 1.50
Area Scale Factor
2.25x
k² = 2.25
Volume Scale Factor
3.38x
k³ = 3.38

Interpretation

A scale factor of 1.50 means each dimension is multiplied by 1.50. Area becomes 2.25 times the original, and volume becomes 3.38 times the original.

Original vs Scaled

DimensionOriginalScaled
Length10.00 ft15.00 ft
Width8.00 ft12.00 ft
Height5.00 ft7.50 ft

Scale Factor Effect on Area & Volume

Mathematical Formulas

Scaled Dimension = Original × k

where k is the scale factor. For area, multiply original area by k². For volume, multiply original volume by k³.

Example: If original rectangle is 10×8 ft (area 80 ft²), with k=1.5, scaled area = 80 × (1.5)² = 80 × 2.25 = 180 ft².

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