🌿Home & Garden Tools
Home and garden tools for the practical numbers that come up before a project starts: lawn area for seeding, fertilizing, or estimating mowing time and cost, planting dates calibrated to your last frost, paint and stain coverage for indoor and outdoor surfaces, and the unit conversions that recur every season. The arithmetic is straightforward; the value is doing it once and getting the answer in the units you need for the bag, can, or seed packet rather than the units a textbook would prefer. The common mistake is buying seed or fertilizer by total area without subtracting beds, hardscape, and the strip the dog has worn bare; the Lawn Mowing Cost Calculator and related tools accept obstruction inputs so the figure reflects the area you are actually treating. If you are new to the category, start with the Lawn Mowing Cost Calculator if you are quoting yard work or comparing service prices, and use the Square Footage Calculator (under Construction) when you need to convert a measured shape into something a bag or can label is calibrated against. The garden side of the category is still small and is expected to grow with planting-date calculators, soil amendment ratios, and irrigation schedule helpers. Send a request through the contact page for any seasonal calculation you keep running.
9 tools available
Garden Bed Layout Planner
Allocates a single rectangular raised bed across up to 12 vegetables (39 in the library) by sectioning the bed length per crop.
Lawn Mowing Cost Calculator
Multiplies total mown area by a per-area rate, or substitutes a flat per-mow charge or hourly rate × hours, then projects to...
Plant Population Calculator
Plant population from total field area divided by single-plant footprint (row spacing times in-row plant spacing).
Planting Calculator
Counts plants in a rectangular bed under a square-grid or staggered triangular layout (row spacing s × 0.
Raised Bed Soil Calculator
Total raised bed soil volume across multiple beds with per-bed quantity and dimension inputs that accept decimals, fractions, and mixed numbers.
Seed Spacing and Yield Calculator
Plant count and harvest yield for a rectangular garden bed from extension-recommended row and in-row spacing for 31 vegetables.
Soil pH Adjuster Calculator
Lime or sulfur amendment weight from standard agricultural extension rates scaled linearly with garden area and absolute pH change.
Square Foot Garden Planner
Square Foot Gardening bed planner that allocates individual square-foot cells across a configurable bed (default 4 by 4) to 65 vegetables, fruits...
Tree Age Estimator
Tree age from the International Society of Arboriculture growth factor formula: trunk diameter at 4.