21 calculators · free · no sign-up
Trade math, done right
Concrete, framing, tile, fence, stairs — every formula shown, every assumption editable. These are the same calculators built into the Hut, running the same code. An account saves the answer on the job and puts it on the quote.
Dirt & site work 6
Concrete slab
Yardage for a flat pour, plus what it is in bags if you're mixing on site.
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Gravel, base & fill
Tons to order for a driveway, pad or trench backfill — compaction included.
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Excavation & haul-off
Bank yards to dig, loose yards to haul, and how many truckloads that is.
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Mulch & topsoil
Cubic yards to cover a bed or a lawn repair.
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Asphalt
Tons of hot-mix for a drive or a patch.
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Footings & piers
Concrete for round piers — deck footings, post bases, sonotubes.
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Inside the building 6
Paint
Gallons for a room, openings deducted.
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Drywall
Sheets and screws for a given wall or ceiling area.
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Flooring
Boxes to buy, waste factor included.
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Roofing
Squares and bundles from the footprint and the pitch.
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Board feet
Board footage for a lumber order.
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Pipe fall
How much a run drops end to end — and what grade that is.
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