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With digital calipers you can take quick measurements of any number of things. Unfortunately, most digital calipers only display in metric and decimalized Imperial units — not fractions. That’s fine if you’re good at on-the-fly conversions, but what if you’re not? Several manufacturers offer digital calipers that’ll display fractions, for error-free measurements.

You can get these stainless steel calipers in 6″ and 12″ lengths. They’ll measure metric units with an accuracy of .01 mm or 5 thousands of an inch. They’ll display fractions of an inch as small as a 64th. You can get these fractional digital calipers from several sources, and no one seems to have an advantage over the others, so just go by price. They usually start around $30.

Fractional Digital Caliper [MicroMark]
Street Pricing [Google Products]
Via Amazon [What’s This?]


6 Responses to Fractional Digital Calipers

  1. Frank Townend says:

    I picked up a set at Harbor Freight (http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=95846).

    Really nice to have in the shop for matching a drill bit to a screw etc.

  2. Bren R. says:

    I just printed out a list of the decimal equivalents (in 32nds) and pasted it to the inside of my digital “real number” caliper.

    (ie: 1/32 = 0.03125, 1/16 = 0.0625, etc)

  3. Mopardude says:

    Kinda lame if you ask me! If your using calibers you want accuracy. measuring to the closest 64th is not!

  4. JML says:

    Wixey makes a dual display fractional caliper, which shows the digital and fractional reading at the same time. Seems to be a great idea for conversion, easy reading, and precision.

  5. Lancy says:

    I just bought a 4 inch digital calipers at tresnainstrument and it is really very useful.

  6. Anna says:

    Fractional Digital Calipers OF Tresna Instrument are not bad. GOOD QUALITY, REASONABLE PRICE.
    6 inch (150 mm) Fraction Digital Calipers: US$32.5
    8 inch (0-200 mm) Fraction Digital Calipers: US$43.5
    12 inch (0-300 mm) Fraction Digital Calipers:US$69.25

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