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Materials Calculator
Stone · Concrete · Aggregates — contractor estimating for USI
Units legend
- ft
- feet
- in
- inches
- m
- meters
- cm
- centimeters
- mm
- millimeters
- SF
- square feet
- m²
- square meters
- cu yd / yd³
- cubic yards
- cu ft / ft³
- cubic feet
- m³
- cubic meters
- lb
- pounds
- tons
- US short tons (2,000 lb)
- tonnes
- metric tonnes (1,000 kg)
- kg
- kilograms
- pcf
- pounds per cubic foot (density)
- kg/m³
- kilograms per cubic meter (density)
- gal
- gallons (US)
- LF
- linear feet (veneer corners)
- %
- percent (waste / safety)
Flagstone / patio & walkway
Thin veneer wall
Stone treads / steps
Sealer coverage
Slab
Footing
Wall
Concrete steps
Curb
Column / pier
Block core fill
Concrete block count
Roller-compacted concrete (RCC)
Uses real length, width, and thickness (height) inputs — legacy bug fixed.
Base gravel / #57
Crushed stone
Crusher-run style default 105 pcf (distinct from #57 at 100 pcf).
Stone dust / stone screenings
Bedding / concrete sand
Topsoil
Loose/typical landscape fill (~75 pcf). Wetter soil is denser — adjust as needed.
Mulch
Bark/wood mulch, fluffed (~25 pcf).