Golden Mean Caliper Comparison Chart

I thought it might be useful for people to be able to compare all the calipers on the one page, so I made a comparison chart.

Caliper Description Smallest measurement Largest measurement Price (USD) Most often used by
Small Calipers
Golden Mean Calipers
120mm or 4.5″ high – smallest of the 3-armed calipers 9.5mm or .37″ 189mm or 7.5″ $65
  • Beauticians
  • Artists working with detail, or smaller pieces
  • Dentists (working with photos or screens)
  • Craftspeople
Medium Calipers
Golden Ratio Calipers
180mm or 7.2″ high – the original design. Also available as a heavy-duty 2mm thick version (ask if you’d like these) 13.4mm or .57″ 320mm or 12.8″ $85
  • Artists
  • Luthiers
  • Farriers
  • Teachers / Education
  • Dentists (working with photos or screens)
  • Craftspeople
Large Calipers
320mm or 12.8″ high – These are the largest calipers I make – just over a foot long. People usually buy these as a set of three… because that way you get the small ones free
(Set of 3 available here)
31mm or 1.24″ 590mm or 23.2″ $75
  • Artists
  • Teachers / Education (good for demonstration purposes)
Caliper Description Smallest measurement Largest measurement Price (USD) Most often used by
Small 4-armed Calipers
120mm or 4.5″ high – these are made specifically for beauticians – the extra arm marks the mid-point between the eyebrows 9.5mm or .37″ 189mm or 7.5″ $65
  • Beauticians
Circle Calipers
85mm or 3.3″ high – useful for measuring very small distances… right down to zero 0 94mm or 3.7″ $35
  • Jewellers
  • Beauticians
  • Artists working with very small detail
  • Craftspeople
Phi Calipers
160mm or 6.3″ high – useful for measuring very small distances… right down to zero.

They were developed specifically for use in cosmetic surgery, but have applications elsewhere

0 200mm or 7.8″ $125
  • Cosmetic surgeons
  • Dentists
  • Beauticians
  • Artists working with small details
Caliper Description Smallest measurement Largest measurement Price (USD) Most often used by
Protractors
160mm or 6.3″ high – useful for measuring acute angles – eg: under noses.

They were developed specifically for use in cosmetic surgery, but have applications elsewhere

10° 160° $85
  • Cosmetic surgeons
  • Beauticians
  • Engineers
  • Forensic Balistics
10 Point Divders
245mm or 9.6″ high – for drawing perspective lines, and in navigation… anywhere where a distance needs to be divided into smaller equal-length distances 82mm or 3.2″ overall, smallest segment 8mm or .32″ 265mm or 10.4″ overall, largest segment 26.4mm or 1.04″ $149
  • Artists
  • Navigation

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