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Daily facts and stats about rain gutters, plus real challenges to put them to work.
About how many US gallons run off 1,000 square feet of roof in 1 inch of rain?
One inch over 1,000 sq ft is 144,000 cubic inches, and a US gallon is 231 cubic inches, giving about 623 gallons.
One ranked attempt per day. Practice as much as you like.
Join one, log your days or post your proof. Finishing earns XP and the Finisher badge.
Make a rain gauge from a straight-sided jar and a ruler, check it at the same time daily and record the rainfall. Check in daily.
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During a rain shower, watch your gutters safely from the ground, note any overflow spots or leaks and post a short write-up.
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Estimate your roof's footprint area and work out how much water one inch (or 25 mm) of rain sheds from it. Post your working.
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Live counts from GutterChallenge.com. All arena stats →
Earned on any arena, shown on your profile everywhere.
Add your email to keep your level, streak and badges if you switch devices, and carry them to every iChallenge arena. One email when you save; no spam.
Fund a prize on GutterChallenge.com and your brand sits on the challenge card, the leaderboard and every finisher's share. Prizes only appear once they're funded, so players can trust what they see.
Yes — pros and homeowners rank on separate boards when flagged.
Home-trade challenges link into the network's verified pro directory.
Everyone on this arena gets the same five questions each day, from easy to hard. You get one ranked attempt; practice rounds are unlimited.
100 points per correct answer, up to 50 more for answering quickly, a combo multiplier for answers in a row, and 150 bonus points for a perfect round.
Yes. Playing, streaks, badges and leaderboards are free. Some challenges carry a sponsor-funded prize; the challenge card shows it when one is funded.
