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Pocket Handyman IV
Feet-Inch-Fraction Calculator With Metric

The Pocket Handyman IV eliminates error-prone calculations performed by hand or a regular calculator, and lets you build like a Pro!  Unlike a regular calculator, the Pocket Handyman IV has intuitively labeled "dimensional unit keys" and a format that is so simple, even the novice user will find it easy to solve hundreds of problems directly in feet, inches and fractions!

For Woodworkers, Do-it-Yourselfers, Hobbyists, Craftsmen

Model #8545

Pocket Handyman IV Model #8545

-- has been renamed, improved & replaced by the --

Measure Master Pro Model #4020

. . which is a new and improved version of the Pocket Handyman IV, including all the same functions but with many more features, larger keys, and a new and improved case!

Suggested Retail: $39.95 ---






  • The handiest and simplest tool for projects involving measurements.
  • Get professional results every time!
  • Works and converts in all dimensional formats. Even handles all fractions -- from 1/2's to 1/64's.

The Pocket Handyman IV helps you:

  • Get Professional Results on all Your Do-it-Yourself Projects
  • Accurately Estimate Materials
  • Save Time & Money
  • Use it at home or in the shop for on-the-spot calculations for all your projects!



Dedicated Functions

  • Dimensional Math & Conversions -- Works and converts in all dimensional formats: feet-inches-fractions, decimal feet, decimal inches, inches, fractions, yards, meters, centimeters, millimeters, board feet, as well as square and cubic formats.
  • Handles all fractions -- 1/2's, 1/4's, 1/8's, 1/16's, 1/32's, 1/64's -- Work in fractions for all sorts of dimension problems. You can even set fraction denominators to display your desired accuracy (in above fraction formats).
  • Area & Volume Calculations -- For faster & more accurate material estimates.
  • Instant Circle Solutions -- Solves circumference, circle area, arc lengths.
  • Weight per Volume Key -- Lets you convert between weights (lbs, tons, kg) and find weights of any material (e.g., tons per cubic yard).
  • "Smart" Fraction Setting -- Saves keystrokes by entering preset fraction denominators.
  • Paperless Tape -- Lets you review the last 20 entries, for double-checking answers.
  • Standard Calculator -- Works as a regular math calculator, for your everyday math needs.
  • Includes: User's Guide, Protective Case, Long-Life Battery, 1-Year Warranty


  • Easy-to-follow User’s Guide
  • Protective Hard Case
  • Full One Year Limited Warranty

Tech Specs

  • Size:
  • 5.7” x 3.0” x 0.65” (145mm x 76mm x 17mm)
  • Weight:
    3.2 oz. (90.7 gm) – does not include Vinyl Case or User’s Guide
  • Power:
    Single 3-volt (CR-2032) Long Life Battery
  • Display Type:
    LCD, 11 Digits (7 Normal, 4 Fractions) with full Annunciators
  • LCD Display Dimensions:
    0.73” x 2.56” (19 mm x 65 mm)
  • Accuracy:
    12 Digit Internal Accuracy