Scale Calculator

Ratio

SCALE CONVERSION

Convert an STL from one scale ratio to another.

scale
scale
COMMON TARGET SCALES:
SCALE FACTOR: 1.3889
PERCENTAGE: (CLICK TO COPY) 138.9%
Factor = 100 / 72 = 1.3889
Measurement

SCALE MEASUREMENT

Convert a known measurement to a target measurement.

mm
mm
COMMON MINI HEIGHTS:
SCALE FACTOR: 1.1429
PERCENTAGE: (CLICK TO COPY) 114.3%
Factor = 32 / 28 = 1.1429
Advanced

ADVANCED SCALE DIMENSIONS

Specify size, source, and target scales to determine printable dimensions.

scale
scale
TARGET SIZE (CLICK TO COPY) 2.857mm
SCALE FACTOR 0.0286
PERCENTAGE (CLICK TO COPY) 2.9%
REAL WORLD SIZE 10.00 cm
Target = 10.00cm × (1/1 to 1/35) → Factor: 0.0286 → Prints at 2.857mm