Calculated Industries

Calculated Industries

Over 40 Years & 10 Million Satisfied Customers

Founded in 1978, the US Nevada based company Calculated Industries (CI) is a leading manufacturer and marketer of specialty construction calculators and digital measuring tools. For over 40 years, their products have helped more than 10 million busy professionals work better, faster, and more efficiently with easy-to-use, portable solutions.


Calculated Industries is a leading manufacturer of specialty calculators and digital measuring tools. The company was founded in 1978 by brothers Ken and Fred Alexander in Orange County, California. Currently, Ken Alexander is the CEO and Judy Alexander is the CFO of the company.
The company's first calculator was the Loan Arranger, a simple to use loan amortization calculator which was marketed to the real estate industry. In ensuing years, other specialty calculators were introduced and marketed to financial planners, contractors, carpenters, radio and television broadcast professionals, educators, electricians, machinists, and quilters.

Calculated Industries manages the entire process, from market research to software design, testing, manufacturing, marketing and distributing to worldwide markets. The company also provides course materials and training for schools, colleges, career and technical programs and apprentice training programs as well as for individual customers.

In 1994 the company relocated to Carson City, Nevada, from California and currently occupies a 44,000 sq. ft. warehouse/office facility. Calculated Industries products have won dozens of awards over the years. In 2006, Fine Homebuilding magazine, in its 25th anniversary special issue, included the Construction Master Pro as one of the " ... innovative tools that have changed the way we build ... ." In 2011, Builder magazine readers gave Calculated Industries the #1 Quality Rating for Builder Instruments. It is the fourth time CI has earned the top rating.

Planmate is the distributor for the Scalemaster plan measuring wheels in Australia and New Zealand.

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ScaleMaster PRO Plan Measurer

Digital Plan Wheel Measurer The new ergonomic design of the affordable Scale Master® Pro makes it..

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ScaleMaster PRO XE Plan Measurer

Advanced Linear Digital Plan Measure   The recently updated Scale Master® Pro XE planwheel ..

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ScaleMaster PRO XE PC/USB Interface Cable

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ScaleMaster PRO XE with PC/USB Interface Cable

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ScaleMaster Neoprene Protective Case

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ScaleMaster Plan Wheel replacement wheel KIT

The Scalemaster Plan wheel replacement KIT is suitable tto replace the wheel of the model Scalemaste..

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