Golden Ratio Caliper Comparison Chart

This is a comparison of all the Golden Ratio Calipers available on this site.

Everything is hand-made. If you need something unique, let us know – we can probably make it.

All calipers are made from solid 1.5mm thick stainless steel. All have different options for cases – if you’d like your own logo, or something unique, let us know.

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″ $35
  • 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 think version (ask if you’d like these) 13.4mm or .57″ 320mm or 12.8″ $65
  • 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″ $45
  • Beauticians
Micro Calipers
85mm or 3.3″ high – useful for measuring very small distances… right down to zero 0 94mm or 3.7″ $25
  • 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° $65
  • 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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