Backyard projects go smoother when you order the right amount of soil, build the coop big enough the first time, and know what your rain barrels can really catch. These free calculators handle the math for common yard and homestead projects, and every page shows the formula and the rule of thumb behind it.
Raised Bed Soil, Mulch & Gravel CalculatorCubic feet, cubic yards and bag count for soil, compost, mulch or gravel.Chicken Coop Size CalculatorCoop floor, run, roost and nest boxes for your flock and breed.Rainwater Harvesting CalculatorGallons per storm, month or year from your roof — and how many barrels.Compost Greens & Browns (C:N Ratio) CalculatorMix greens and browns to the 25–30:1 carbon:nitrogen sweet spot.How Much to Plant Per Person — Vegetable Garden PlannerHow many plants per person, and how many raised beds that takes.Greenhouse Heater Size Calculator (BTU)BTU or watts to keep your greenhouse warm on the coldest night.Fence Material & Cost CalculatorPickets, posts, rails and cost for any wood fence run.Firewood Cord & BTU CalculatorCords, face cords and BTU heat output by wood species.Chicken Feed CalculatorDaily, weekly and monthly feed for layers, broilers and chicks.
Planning a season
Many homesteaders use these together in spring: size the raised beds and order soil in one delivery, plan rainwater storage to water them through summer, and get the coop ready before chicks arrive. Save the results — they’re handy when you’re comparing quotes or product sizes.