DirtCalculator
Free tools for heavy equipment operators

Heavy Equipment Calculators

Built for operators on the job site. Fast, accurate, works on your phone.

โœ… Free
๐Ÿ“ฑ Mobile friendly
๐Ÿ“ถ Works offline
๐Ÿšง 22 calculators
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๐Ÿ“ฒ

Install as an app โ€” works offline

Tap Share โ†’ "Add to Home Screen" on iPhone, or tap the install icon in Chrome on Android. All calculators work without internet after first load.

Earthwork
โ›๏ธ

Cut & Fill Volume

Cubic yards, truck loads, swell factor, material weight.

Calculate โ†’
๐Ÿ“

Slope Width

Cut slope width from depth and ratio. Total top width.

Calculate โ†’
๐Ÿ“

Percent Grade

Grade from rise/run, or find rise or run from a known grade.

Calculate โ†’
๐Ÿ”ง

Trench Volume

Excavation volume, spoil, pipe volume deduction.

Calculate โ†’
๐Ÿ“Š

Swell & Shrinkage

Convert between bank, loose, and compacted measure.

Calculate โ†’
๐Ÿ“ฆ

Stockpile Volume

Cone, windrow, and flat-top pile volume and weight.

Calculate โ†’
Production & Scheduling
๐Ÿš›

Truck Load & Production

Cycle time, loads per day, daily production, days to finish.

Calculate โ†’
๐Ÿ”„

Haul Truck Match

How many trucks to keep your excavator or shovel fully loaded.

Calculate โ†’
๐Ÿ“…

Job Duration

Days to complete based on machine rate, efficiency, and schedule.

Calculate โ†’
๐Ÿ”ฉ

Compaction Lifts

Number of lifts and passes to reach required depth and spec.

Calculate โ†’
Materials
๐Ÿชจ

Gravel & Aggregate

Tons, cubic yards, truck loads from area or weight.

Calculate โ†’
๐Ÿ—๏ธ

Concrete Volume

Slabs, footings, walls, columns โ€” with waste factor.

Calculate โ†’
Equipment & Cost
โ›ฝ

Fuel Cost

Machine presets for Cat 320, D6, D10, ADT. Per shift/day/job.

Calculate โ†’
๐Ÿ’ฐ

Equipment Cost Per Hour

Ownership + fuel + maintenance + insurance = true hourly cost.

Calculate โ†’
๐Ÿ’ต

Operator Wage

Base + overtime + LOA (tax-free) = total earnings.

Calculate โ†’
Earthworks
๐Ÿ’ฒ

Earthwork Cost Estimator

Excavation + haul + fill + contingency = total job cost.

Calculate โ†’
๐Ÿ”๏ธ

Embankment Volume

Road fills, dam fills. Trapezoidal cross-section with side slopes.

Calculate โ†’
๐ŸŒฑ

Topsoil Calculator

Volume, tons, truck loads for reclamation and landscaping.

Calculate โ†’
๐Ÿ›ฃ๏ธ

Road Base Calculator

Gravel base course volume and tons for roads and haul roads.

Calculate โ†’
๐Ÿ”ง

Pipe Bedding Calculator

Bedding and haunching material volume for any pipe diameter.

Calculate โ†’
๐Ÿšœ

Dozer Production

Cat D3 to D11. Push distance, slope, material factors.

Calculate โ†’
Mining
โ›๏ธ

Stripping Ratio

Overburden vs ore volume. Open pit mining economics.

Calculate โ†’
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