Product Overview
The HeavyCalc Pro 4325 Heavy Construction Math Calculator is designed for excavators, engineers, designers, highway contractors, and heavy construction professionals who need fast area, volume, weight, slope, swell, shrink, cut/fill, and material calculations. Built for heavy construction estimating and layout work, it helps simplify yard, feet-inch-fraction, and metric calculations while reducing costly math errors on jobsite and office projects.
Product Information
| Product Type |
Heavy Construction Math Calculator |
| Brand |
Calculated Industries |
| Model |
4325 |
| Calculator Type |
Yard, feet-inch-fraction, and metric heavy construction calculator |
| Primary Users |
Excavators, engineers, designers, highway contractors, heavy construction professionals, estimators, and sitework crews |
| Use Case |
Area, volume, weight, slopes, grade, swell, shrink, cut/fill, trucked volume, stakeout drops, ramps, trenches, and material estimating |
Heavy Construction Functions
| Dimensional Math |
Calculates and converts between feet-inch-fractions, decimal yards, decimal feet, inches, fractions, meters, and millimeters. |
| Area & Volume |
Dedicated length, width, and height keys help quickly calculate areas, volumes, and material quantities. |
| Square-Ups & Right Angles |
Helps calculate diagonals and square-ups for layout work, staking, forms, and field measurements. |
| Grade & Slope |
Percent grade and slope functions help solve right-angle layout, ramps, trenches, stakeout drops, and elevation-related calculations. |
| Cut/Fill Estimating |
Built-in cut/fill, existing, and proposed functions simplify soil-volume estimates for excavation and grading work. |
| Swell & Shrink |
Calculates percent swell and shrink to help estimate loose fill, compacted material, and adjusted earthwork volumes. |
| Weight Per Volume |
Finds material weight and converts between pounds, tons, kilograms, and metric tons. |
| Truck Load Estimating |
Calculates trucked loose-fill volume and uses swell or shrink factors to help determine total weight and load requirements. |
Key Features
| Heavy Construction Focus |
Designed specifically for excavation, grading, highway, sitework, and heavy construction math. |
| Yard, Feet-Inch & Metric |
Works in and converts between yard, feet-inch-fraction, and metric formats, including square and cubic values. |
| Dedicated Construction Keys |
Includes dedicated keys for length, width, height, loads, cut/fill, drop, square-up, slope, existing, proposed, compacted, bank, and loose material values. |
| Material & Labor Savings |
Helps reduce estimating errors, material waste, labor costs, and manual calculation time. |
| Field & Office Ready |
Compact handheld design is useful for site measurements, takeoffs, estimates, project planning, and field layout. |
| Standard Math Functions |
Works as a regular calculator for everyday math and construction-related calculations. |
| Jobsite Protection |
Includes a rugged Armadillo Gear protective case for field use. |
Applications
| Excavation & Earthwork |
Useful for excavation volume, cut/fill, existing/proposed elevations, loose fill, compacted material, swell, and shrink calculations. |
| Highway & Heavy Construction |
Supports heavy construction crews working with roadwork, grading, slopes, ramps, trenches, and site layout. |
| Sitework Layout |
Helps with square-ups, right angles, drop calculations, percent grade, slope, and field layout measurements. |
| Material Estimating |
Calculates area, volume, weight per volume, truck loads, material quantities, and adjusted fill estimates. |
| Trenching & Ramps |
Useful for stakeout drops, ramps, trenches, slope work, and depth-related calculations. |
| Engineering & Design |
Practical for engineers and designers reviewing site quantities, grading values, and earthwork calculations. |
| Field & Office Use |
Works well for project planning, estimating, jobsite checks, bidding, takeoffs, and heavy construction calculations. |
Specifications
| Dimensions |
5.7″ L x 3.0″ W x 0.65″ H |
| Metric Dimensions |
145 mm x 76 mm x 17 mm |
| Product Weight |
0.2 lbs / 3.2 oz / 90.7 g |
| Power |
One 3-volt CR2016 long-life battery |
| Display Type |
LCD, 11 digits including 7 normal digits and 4 fraction digits |
| Display Dimensions |
0.73″ x 2.56″ / 19 mm x 65 mm |
| Internal Accuracy |
12-digit internal accuracy |
| Warranty |
One-year warranty |
Included
| Protective Case |
Rugged Armadillo Gear protective case |
| User Guides |
Easy-to-follow user guides in English and Spanish |
| Battery |
One 3-volt CR2016 long-life battery |
| Warranty |
One-year warranty |
Why Choose the HeavyCalc Pro 4325?
The HeavyCalc Pro 4325 gives heavy construction professionals a compact calculator for excavation, grading, cut/fill, slopes, stakeout drops, swell, shrink, volume, weight, and material estimating. It is a practical tool for reducing calculation errors, saving time, and improving quantity estimates for sitework, highway, and heavy construction projects.
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