Search  for anything...

Calculated Industries 4065 Construction Master Pro Advanced Construction Math Feet-inch-Fraction Calculator for Contractors, Estimators, Builders, Framers, Remodelers, Renovators and Carpenters

  • Based on 4,375 reviews
Condition: New
Checking for product changes

Buy Now, Pay Later


As low as $8.33 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

Eligible for Return, Refund or Replacement within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Tuesday, Nov 26
Order within 8 hours and 57 minutes
Available payment plans shown during checkout

Style: Handheld


Pattern Name: Calculator


Features

  • SOLVE ALL YOUR DIMENSIONAL MATH quickly and accurately with the award-winning CM Pro construction calculators powerful built-in solutions for completing layouts, plans, bids, estimates and more, directly in the building units you prefer
  • LETS YOU EFFORTLESSLY WORK IN AND CONVERT between all common building dimension formats: feet-inch-fractions, decimal feet-inches, yards and metric -- including area and volume. Plus weight-per-volume and D:M:S to decimal degree conversions too
  • TIME-SAVING BUILT-IN FUNCTIONS for right angles give you instant solutions for square-ups, rafters (hip, valley, jacks), rake-walls, slopes, angles and more. Plus complete stair layout, advanced solutions for arcs, arches, circles, columns and more
  • PREVENTS COSTLY MATERIAL WASTE with built-in solutions for roofing, drywall, studs, blocks, concrete footings and board-feet lumber estimating. Plus compound miter functions help you avoid errors when working with crown molding and other pricey millwork

Description

The Construction Master is and has been the industry standard for carpenters and craftsmen for over 30 years. Its use is taught in apprenticeship and training programs at the high-school, college, union and industry level across our country and beyond. An entire generation of framers and stick-builders grew up using it and advising us on new capabilities they wanted built-in. Building materials and techniques have changed over the years but geometry and the need to work quickly and accurately with dimensions is as important and difficult as ever. Put the time-tested Construction Master Pro on your next project and you’ll be glad you did. The construction master pro (model 4065) from Calculated Industries sets the industry standard for advanced construction-math calculators. Offering powerful built-in solutions and expanded preference settings, it's perfect for completing layouts, bids, and estimates as well as helping to save time and money by helping you figure out the right amount of needed materials. It's ideal for or contractors, estimators, architects, builders, framers, engineers, concrete/foundation contractors, draftspersons, and more. Ideal for completing layouts, bids, and estimates (view larger). Quick, Accurate Solutions in the FieldYou'll be able to work in and convert between all building dimensional formats--yards, feet-inch-fractions and metric--including area and volume. The construction master pro includes a number of built-in time-saving functions, including calculations for risers, treads, stringer length, and incline angle; how many 4 by 8, 4 by 9 or 4 by 12 sheets are needed to cover an area; jack rafter results for regular and irregular pitch roof; determining number of on- center studs for an entered length; and right angles. It also offers advanced solutions for circles, arches, columns, cones, pillars, windows and post-holes arcs, circumference, and segments.Handheld ConvenienceThe construction master pro also includes the ability to custom define your preferences (such as fractional settings), a "paperless" tape that lets you review the previous 20 entries to double-check your totals, and accumulating memory with three additional memory storage locations. It's powered by a two 1.5-volt batteries (LR-44/A76), and the Construction Master Pro has an auto shut-off feature that turns the calculator off after about 8 to 12 minutes of non-use. The 11-digit display measures 2.5 inches by .625 inches. Overall, the calculator measures 5.6 inches by 3 inches by .6 inches, and weighs 4.5 ounces. It's backed by a one-year limited warranty.What's in the BoxOne Calculated Industries 4065 construction master pro calculator, Armadillo Gear protective cover, pocket reference guide in English and Spanish, and batteries.4065 Construction Master Pro Calculator At a Glance:Work in and convert between all building dimensional formats Perfect for completing layouts, plans, bids, and estimates Large 11-digit display Powered by two LR-44/A76 batteries One-year limited warranty

Brand: Calculated Industries


Color: Silver


Calculator Type: Engineering/Scientific


Power Source: Battery Powered


Product Dimensions: 5.75"L x 3"W


Manufacturer: ‎Calculated Industries


Part Number: ‎4065


Item Weight: ‎8.2 ounces


Product Dimensions: ‎5.75 x 3 x 0.6 inches


Country of Origin: ‎China


Item model number: ‎4065


Is Discontinued By Manufacturer: ‎No


Color: ‎Silver


Style: ‎Handheld


Pattern: ‎Calculator


Power Source: ‎Battery Powered


Voltage: ‎1.5 Volts


Item Package Quantity: ‎1


Measurement System: ‎metric


Batteries Included?: ‎Yes


Batteries Required?: ‎No


Warranty Description: ‎1 year manufacturers


National Stock Number: ‎4820-01-299-7444


Date First Available: July 14, 2008


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Nov 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Does more than I need
Style: Handheld Pattern Name: Calculator
I work in steel fabrication and this is a great tool for planning, designing and knowing how much material to buy. Easy to use and helps me daily.
Reviewed in the United States on December 14, 2023 by Michelle S

  • If the Construction Master Pro can't calculate it, it can't be calculated.
Style: Handheld Pattern Name: Calculator
In the excavation business conversions between many different units of measure are constant (cubic yards to tons, decimal feet to inches, etc.). Anytime calculations are involved (especially with fractions and conversions) errors can easily happen. The Construction Master Pro has made my life immensely easier and far more accurate. It saves me lots of time and therefore lots of money. It's worth every penny. There's a short learning curve, but then it becomes very intuitive and very easy to use. I highly recommend this calculator. ... show more
Reviewed in the United States on May 28, 2023 by Richard C.

  • Amazing! Easy and reliable.
Style: Handheld Pattern Name: Calculator
Bought for my husband. He is blow away at the reliability and accuracy of this. His projects take half the time now with this.
Reviewed in the United States on November 7, 2023 by Monica

  • Nice calculated that takes some of the guess work out
Style: Handheld Pattern Name: Calculator
The The calculator works nicely if you understand how to enter the information to arrive at your final result. I have to admit when I first used it it was a challenge but once I contacted the technical support team they explained everything easily so that I was up and going in no time. Nice construction calculator making my difficult job easier. ... show more
Reviewed in the United States on August 18, 2023 by Serious Consumer

  • Great for calculating stairs
Style: Handheld Pattern Name: Calculator
I played with the calculator and ended up not being intimidated by all the functions. I was able to get stair dimensions. I double checked multiple times and the calculator worked well. Just don't forget your finished floor height in your calculations.
Reviewed in the United States on May 10, 2024 by Willy Brown

  • Very convenient
Style: Handheld Pattern Name: Calculator
Wow this calculator makes things easy Once you learn it. Great investment.
Reviewed in the United States on July 12, 2024 by william figueroa

  • GOOD
Style: Handheld Pattern Name: Calculator
I USE CONSTRUCTION MASTER PRO 4065 TO REPLACE ONE STOLEN .I USE FOR GENERAL CALCULATIONS
Reviewed in the United States on July 15, 2024 by MARK YOUNG

  • Excellent
Style: Handheld Pattern Name: Calculator
Good quality and fast shipping
Reviewed in the United States on June 11, 2024 by Tyler

Can't find a product?

Find it on Amazon first, then paste the link below.