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Project Math Lab
Mulch calculator: bags, bulk yards, and real costs
Most mulch calculators stop at a cubic-yard number. This one turns it into a shopping plan. Enter each bed's length and width, pick a depth, add an allowance for uneven ground, then use your own bag size, bag price, bulk price per yard, delivery fee, and supplier minimums. It rounds up to whole bags or the supplier's bulk increment and shows a bagged-versus-bulk cost comparison you can copy or print. Live now: the mulch calculator. Free, no account needed; your entries stay in your browser.
Hi Product Hunt 👋
I built Project Math Lab after one too many garden-center trips where I bought three bags too many, or ran short with half a bed left uncovered.
The mulch calculator picks up where most tools stop. You add each rectangular bed (feet and inches, or metric), set the depth, and add an extra allowance for uneven ground. Then you enter your own numbers: bag size and price, bulk price per cubic yard, delivery fee, and your supplier's minimum order and increment. It rounds up to whole bags — or to the bulk increment your supplier actually sells — and shows a bagged-versus-bulk cost comparison you can copy or print. The formula and rounding rules are published on the site, so you can check the math yourself instead of trusting a black box.
Free, no account, nothing to install. Everything is calculated locally in your browser.
One honest note: today only the mulch calculator is live. Raised-bed soil and gravel are still in progress, so they are not available yet.
I'd love to hear from anyone who currently has a pile of mulch in their driveway: what would make this more useful for your next project?
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About Project Math Lab on Product Hunt
“Mulch calculator: bags, bulk yards, and real costs”
Project Math Lab was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #145 on the daily leaderboard. Most mulch calculators stop at a cubic-yard number. This one turns it into a shopping plan. Enter each bed's length and width, pick a depth, add an allowance for uneven ground, then use your own bag size, bag price, bulk price per yard, delivery fee, and supplier minimums. It rounds up to whole bags or the supplier's bulk increment and shows a bagged-versus-bulk cost comparison you can copy or print. Live now: the mulch calculator. Free, no account needed; your entries stay in your browser.
Project Math Lab was featured in Outdoors (7.7k followers), Home improvement (1.4k followers) and Plants (613 followers) on Product Hunt. Together, these topics include over 2.4k products, making this a competitive space to launch in.
Who hunted Project Math Lab?
Project Math Lab was hunted by 周小码. 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.
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周小码