CalcTheJob - Buy the right amount of materials for the job

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CalcTheJob helps you figure out how much concrete, gravel, flooring or roofing to buy—in bags, tons, boxes or bundles. Every page shows the formula and a worked example so you can check the math. Free, no sign-up, works on your phone.

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Hi Product Hunt!

CalcTheJob is for the trip to the store, not the classroom. When you need concrete, gravel, mulch, flooring or roofing, it estimates how much to buy in the units the bags and boxes actually use—and shows the formula plus a worked example so you can check the math.

It's free, needs no sign-up, and works on a phone. Feedback welcome: which material calculator is missing, and did any result look off?

Thanks for checking it out!