TrowlCalc · Field-ready estimating tools
Construction calculators that answer in materials, not math.
Yards, bags, sheets and boards — waste included, cost estimated, rounded the way suppliers actually sell.
Concrete
Framing & roofing
- Stair Calculator Rise & run, stringer length, and IRC checks
- Framing Calculator Wall studs, plates & sheathing with costs
- Roofing Calculator The whole materials list — shingles to drip edge
- Roof Pitch Calculator Rise & run to degrees, slope %, and area multiplier
- Rafter Length Calculator Span, pitch and overhang to cut length and board
- Roof Shingle Calculator Bundles, squares and underlayment from the footprint
- Gambrel Roof Calculator Barn-roof rafters, angles & area from two pitches
- Roof Sheathing Calculator 4×8 sheets & nails from footprint and pitch
- Metal Roof Calculator Panels, cut lengths, screws & cost by profile
- Roof Pitch Multiplier The slope factor for every pitch, with chart
- Board Foot Calculator Lumber volume & cost from nominal dimensions
Aggregates & plumbing
- Gravel Calculator Tons & yards for crushed stone and base
- Sand Calculator Paver bedding, sandbox and masonry sand by the ton
- River Rock Calculator Decorative rock with depth sized to the stone
- Asphalt Calculator Tons of hot mix & cost by area and depth
- Paver Base Calculator Gravel base & bedding sand under pavers
- Fill Dirt Calculator Yards & truck loads with compaction built in
- Tonnage Calculator Tons of any aggregate by area, depth & density
- Limestone Calculator #57, screenings & large stone by the ton
- Road Base Calculator Dense-grade driveway lifts, compacted density
- Crushed Concrete Calculator Recycled base tons — the budget driveway
- Stone Dust Calculator Screenings for setting beds & paths
- Topsoil Calculator Yards, 40 lb bags & hauling weight
- Mulch Calculator Yards & 2 ft³ bags with coverage per yard
- Pipe Volume Calculator Gallons, liters & water weight from any inner diameter
Masonry, interior & more
- Brick Calculator Bricks per ft², mortar bags, and courses
- Drywall Calculator Sheets, screws, compound & tape for any room
- Paint Calculator Gallons by room size, coats & coverage
- Tile Calculator Tiles, boxes & thinset by floor size
- Fence Calculator Posts, rails, pickets & concrete by the run
- CFM Calculator Airflow from room volume and air changes per hour
- Square Footage Calculator Rectangles, circles & triangles with a running total
- Cubic Yard Calculator Length × width × depth to yards, meters & tons
- Cubic Yards to Tons Yards ↔ tons by material density, both ways
Flooring, electrical, and 100+ more calculators are on the way.