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2026-10-23 issue

Observed arrival · 2026-10-23

Deck calculators that show their work

deckformula.com Visit website
Editorial interest 78/100 Selection signal · not a rating of the site

A free collection of calculators for deck materials, framing, stairs, railings, footings, and other outdoor projects.

Landing page captured for the 2026-10-23 issue.
For
DIY deck builders estimating materials and layout
Worth noticing
The railing tool checks actual clear openings against the 4-inch sphere rule; structural member sizing is explicitly out of scope.

Field notes

The homepage groups tools into deck calculators, lumber and materials, framing and structure, and outdoor living. Listed outputs include board counts by stock length, stair dimensions, concrete bag counts, and lighting voltage drop. The site says its results are deterministic functions of entered values, while warning that soil conditions and local code amendments may require separate checks.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use

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deckformula.com

Landing page observed 2026-10-23. The live site may have changed.