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Construction calculators and data transformation utilities — all free, all private, all running in your browser. No signup, no uploads, no tracking.
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Construction
Construction Calculators
Accurate material estimates for builders, contractors, and DIYers.
yd³Construction
Mulch Calculator Calculate mulch needed for garden beds. Open → tConstruction
Gravel Calculator Calculate gravel tons and cubic yards. Open → ▥Construction
Drywall Calculator Calculate drywall sheets and compound. Open → ⊞Construction
Deck Calculator Calculate decking boards and joists. Open → ▦Construction
Tile Calculator Calculate tiles, grout, and thinset. Open → ▤Construction
Brick Calculator Calculate bricks and mortar needed. Open → Advertisement
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Data & Text
Data Transformation Tools
Clean, convert, and transform text and data instantly.
{ }Data tool
CSV to JSON Convert CSV data to formatted JSON instantly. Open → AaData tool
Text Case Converter Convert between uppercase, lowercase, camelCase, and more. Open → ⧉Data tool
Deduplicate List Remove duplicate lines from any list. Open → ⇌Data tool
Find and Replace Bulk find and replace with regex support. Open → %Data tool
URL Encode / Decode Encode or decode URL parameters safely. Open → @Data tool
Extract Emails Pull all email addresses from text. Open → Why CalcBuild?
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Instant Results
No submit buttons. Results update as you type.
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Mobile-First
Works perfectly on phones, tablets, and desktops.
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Privacy First
Nothing leaves your browser. No tracking, no storage.
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100% Free
No sign-up required. Unlimited use, forever.
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