The Pocket Engineer - Wallet Ruler and Conversion Reference

Always be ready to measure, calculate and fix anything with The Pocket Engineer. 

Packed with features in laser-cut stainless steel the size of your credit card:

  • 26 unit conversions, 7 equations and 10 physical constants to save you time looking up references.
  • Doubles as ruler, arc drawing and angle measurement tool.
  • Photogrammetric ruler to calibrate length and tilt in images when used as a scale in field or lab work.
  • Pipe inner diameter measurement from 0.25"-1.25" and machinist scale with 10-mil resolution.

  • Free shipping in the USA!Typically arrives in 5-15 business days in the USA, 10-42 days internationally. Standard shipping (with tracking) available for about $3 in USA (3-7 day). We ship to Canada, the UK, EU and many other countries around the world. Go to checkout to see the rates and availability for your region.

    Still not sure if you want one? We offer free returns of this product within 30 days of purchase if you're not happy with it! Grab it today with no risk and feel the difference yourself.

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