Calculated Industries
Construction Calculators and Plan Measures
Calculated Industries makes calculators that work in feet, inches, and fractions, so you enter dimensions the way you read them off a tape. This collection includes the Construction Master Pro handheld, the Construction Master Pro Trig, the Construction Master Pro Desktop for estimating at a desk, and the Scale Master Pro XE digital plan measure for taking lengths and areas off drawings.
What to Look For
- Trig functions. The Trig model adds right-triangle and trigonometry functions for rafters, stairs, and angled layout.
- Form factor. Handheld models ride in a pocket or tool bag. The desktop model is built to sit on an estimator's desk.
- Plans or field. The Scale Master Pro XE measures directly from printed plans at their drawing scale instead of on site.
Shop Calculated Industries at The Tool Nut, an authorized dealer since 1994, with free shipping on most orders and rewards points on every purchase.
Calculated Industries FAQ
Which Construction Master should I choose?
Pick the Construction Master Pro for general framing and material estimates. Choose the Trig version if you lay out roofs, stairs, or angled cuts often. The desktop version suits estimators working from an office.
What warranty does Calculated Industries offer?
Calculated Industries products carry a minimum 1-year limited warranty against defects in materials and workmanship from the original consumer purchase in the U.S., and listed models carry a 2-year warranty. Defects found during the warranty period are resolved at no charge through an online claim form. Misuse, accidents, unauthorized repairs, and battery leakage are excluded.

