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PitchCalc
Free roof math
Free roof pitch calculator for rise and run. Get X:12 pitch, degrees, slope percent, multiplier, and rafter length instantly—no signup.
Top comment
Hey Product Hunt 👋 I built PitchCalc because nearly every "roofing calculator" online is a contractor lead form in disguise — you enter your numbers, and the answer is locked until you hand over your phone number. Homeowners standing in the attic with a tape measure deserve better than a sales call. So PitchCalc does the opposite: five free roof-math tools (pitch, sloped area, roofing squares, shingle bundles, rafter length) that show the number in about ten seconds. Results update as you type, the formulas are printed right on the page so you can check the math yourself, and everything runs locally in your browser — no account, no uploads, nothing stored on a server. Copy or print the result and it reads like a takeoff sheet you can hold up to a contractor. It started as a single roof pitch calculator. Then I realized pitch is just the first corner of the same triangle — once you have rise and run, area, squares, bundles, and rafter length are all the same geometry, so it grew into five pages on one engine. I'd love to hear what roof-math task you still do by hand — waste factors? valleys and hips? metric units? Tell me what's missing.
About PitchCalc on Product Hunt
“Free roof math”
PitchCalc was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #53 on the daily leaderboard. Free roof pitch calculator for rise and run. Get X:12 pitch, degrees, slope percent, multiplier, and rafter length instantly—no signup.
On the analytics side, PitchCalc competes within Maker Tools — topics that collectively have 2.9k followers on Product Hunt. The dashboard above tracks how PitchCalc performed against the three products that launched closest to it on the same day.
Who hunted PitchCalc?
PitchCalc was hunted by yu meng. 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.
For a complete overview of PitchCalc including community comment highlights and product details, visit the product overview.