Observed arrival · 2026-10-05

ConstructionCalculatorHub: 23 calculators for the job at hand

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A free, no-signup collection of calculators for estimating construction and DIY measurements, materials, waste, and costs.

Landing page captured for the 2026-10-05 issue.

For: Homeowners and construction DIYers
Worth noticing: The deck tool estimates boards, joists, waste, and material cost; roof-pitch outputs include ratio, slope percentage, angle, and rafter length.

Field notes

The collection is organized by project type as well as by individual calculator, with separate entries for tasks such as roof area, rafter length, joist spacing, and roofing materials. Calculator descriptions specify outputs rather than only naming topics: the paint tool accounts for doors, windows, coats, and coverage, while the tile tool includes grout spacing and a waste allowance. The homepage says the tools use both metric and imperial units.

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