Bulk Construction Aggregates Calculator
The bulk materials calculator determines cubic yardage and metric tonnage of sand, gravel, crushed stone, and base course aggregates required for site leveling, foundations, and landscaping.
Bulk Material Results
How to use
- Select bulk aggregate: concrete sand, crushed granite, gravel, or topsoil.
- Enter area dimensions (length × width) or direct target volume.
- Enter intended layer depth in centimeters or inches.
- Select standard bulk density or enter supplier-certified density.
- Optionally specify compaction allowance factor and truck payload capacity.
- Review total computed cubic volume, metric tonnage, and delivery haulage trips.
What Does the Bulk Aggregates Calculator Compute?
Aggregate volume: geometric cubic meters based on footprint area and fill depth.
Tonnage: weight conversion in metric tons using bulk loose density factors.
Compaction allowance: compensation for mechanical plate tamper consolidation.
Haulage logistics: estimated dump truck delivery loads.
Sample Base Course Calculation
Covering a 30 m² pad with a 10 cm (0.1 m) sand layer requires 3.0 m³.
At a typical bulk density of 1600 kg/m³, this yields 4.8 metric tons before mechanical compaction.
Frequently Asked Questions
How do you convert cubic meters of sand to metric tons?
Multiply volume in m³ by bulk loose density (typically 1.5 to 1.6 metric tons per cubic meter).
How much does 1 cubic meter of crushed stone weigh?
Crushed granite aggregate averages 1.35 to 1.45 metric tons per cubic meter depending on grading fraction.
How is backfill aggregate calculated?
Multiply surface area by layer depth in meters, then multiply by a 1.10 to 1.15 compaction factor.
What is loose bulk density versus particle density?
Bulk loose density accounts for voids between stone particles, which is lower than solid rock particle density.
What volume does a standard dump truck carry?
A tandem axle dump truck carries approximately 10 to 12 tons (approx. 7-8 m³).
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