Shop Conversion Charts


Shop Conversion and Reference Charts:

Fraction to Decimal Conversion Chart

  • Down to the 32nd
  • 1/4″ plastic
  • 16″ Tall x 11″ Wide
  • CNC precision cut

National Pipe Thread Conversion Chart

  • 9″ x 9″
  • 1/3″ MDF
  • raw and ready to paint (we will not paint it)
  • CNC precision cut

Janka Hardness Scale **(temporarily unavailable)**

  • 18″ Wide x 21.25″ Tall
  • 1/4″ plastic
  • CNC precision cut

Tap Drill Chart

  • 1/4″ red plastic
  • 18″ Wide x 21.25″ Tall
  • CNC precision cut



Fraction to Decimal Conversion Chart

No need to pull out your phone for conversions or have a cheesy paper chart hanging on your wall. Here is a cool, easily visible shop conversion chart that has all the fraction to decimal conversions! Hang it anywhere in your shop for a clear and quick conversion. Made with precision by a CNC router, this Conversion Chart will last for years.

The colored charts are now made from a high quality, durable red/white plastic. This material will wipe down easily and stay clean in your shop.

National Pipe Thread Conversion Chart: 

Here’s a convenient conversion chart for your work shop to reference Standard National Pipe Thread dimensions. This can be especially helpful if you do any machine work with tapered threads.

Janka Hardness Scale: (temporarily unavailable)

Here’s a convenient chart for your woodshop to reference/measure how resistant wood is to denting and wear.  The Janka scale is used to determine the relative hardness of particular domestic or exotic wood species. Woods with a higher rating are harder than woods with a lower rating.

Tap Drill Chart


Additional information

Weight N/A
Dimensions N/A


  1. Michael Luzzi (verified owner)

    Great addition to our shop . Easy to read and stands out. Knowing the plastic will last for years.

  2. Terry Whitehead (verified owner)

    Just got mine, and I must say it is just awesome. Easy to read and looks GREAT! Going to order the tap drill chart.
    Dresses up my raggedy old shop…. Shines like a diamond in a goats butt. LOL

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