📊 Build smarter, not harder — your ultimate construction math sidekick!
The Construction Master Pro Trig Model 4080 is a professional-grade construction calculator designed to accelerate and simplify complex dimensional math. Featuring full trigonometric functions, multi-format unit conversions, and specialized built-in solutions for layouts, material estimating, and angle calculations, it minimizes costly errors and material waste. Housed in a rugged protective case and supported by multilingual guides and long-life batteries, it’s engineered for both office precision and on-site durability.
| ASIN | B00081764Y |
| Batteries | 2 LR44 batteries required. (included) |
| Best Sellers Rank | 232,466 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 270 in Scientific Calculators |
| Brand | Calculated Industries |
| Colour | Silver |
| Customer Reviews | 4.7 4.7 out of 5 stars (819) |
| Date First Available | 15 Aug. 2011 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Item Weight | 45.4 g |
| Manufacturer | Calculated Industries |
| Manufacturer Part Number | 4080 |
| Material Type | Mehrfarbig |
| Model Number | 4080 |
| Product Dimensions | 14.48 x 7.62 x 1.65 cm; 45.36 g |
M**D
Construction master pro
Great product everything you need to do a great job. Thanks calculated Industries.
J**N
Five Stars
This calculator helps enormously with quick calculations and can be used with imperial or metric measurements.
S**N
Five Stars
brilliant piece of kit easy to use
T**H
Five Stars
100% will definetly use again👍
C**A
very good
Very good, but Indidnt notice it does not convert into millimetres, only metres
T**M
Five Stars
Priceless
B**L
very excellent calculator, especially when you have to add imperial measurements or convert from imperial to metric
C**S
Es un excelente producto. Lo utilizo para detallar estructura de acero.
B**H
Will fit in tee shirt pocket. Love the trig functions. Had to carry two calculators now I just have the one.
Z**O
Service is great
R**N
Easy to use and incredibly useful on the job. Quick conversions for people who use more than one measurement system. very helpful for quick geometry equations. Not for the pocket or the tool belt, but great for the office or the blueprint shack.
Trustpilot
1 day ago
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