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CalcCaddy
Practical calculators with formulas and local cost context
CalcCaddy is a free collection of project, automotive, and 3D-printing calculators. Each tool runs in the browser, explains its formula and assumptions, and links to a sourced worked example. Selected material calculators also show regional planning ranges without pretending to be a supplier quote.
Hi Product Hunt — I built CalcCaddy because too many online calculators return a confident number without showing what created it.
CalcCaddy currently includes 20 free calculators and 19 practical guides covering concrete, gravel, roofing, fencing, decks, flooring, paint, stairs, generators, EV charging, tire sizes, and 3D-print pricing. The calculations run in the browser, the formulas and assumptions are visible, and no account is required.
For material projects, I also added regional planning ranges so a visitor in Virginia does not see exactly the same cost context as someone in California. These are clearly labeled estimates rather than live supplier quotes.
I would especially value feedback on which calculator is missing, which input is confusing, or which result would be more useful in a different format.
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About CalcCaddy on Product Hunt
“Practical calculators with formulas and local cost context”
CalcCaddy was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #130 on the daily leaderboard. CalcCaddy is a free collection of project, automotive, and 3D-printing calculators. Each tool runs in the browser, explains its formula and assumptions, and links to a sourced worked example. Selected material calculators also show regional planning ranges without pretending to be a supplier quote.
CalcCaddy was featured in Productivity (660.2k followers), Cars (6.3k followers) and Home improvement (1.4k followers) on Product Hunt. Together, these topics include over 162.8k products, making this a competitive space to launch in.
Who hunted CalcCaddy?
CalcCaddy was hunted by Kyle Kennedy. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how CalcCaddy stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Kyle Kennedy