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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 tools here accept obstruction inputs so the figure reflects the area you are actually treating. If you are new to the category, start with the lawn costing tools if you are quoting yard work or comparing service prices, and use the area tools 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.

15 tools available

Energy Consumption Calculator

Kilowatt-hours and cost per appliance from wattage, daily running hours, and quantity, computed as watts times hours divided by 1,000.

18 views

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.

141 views

Lawn Mowing Cost Calculator

Multiplies total mown area by a per-area rate, or substitutes a flat per-mow charge or hourly rate 脳 hours, then projects to...

175 views

Mulch Calculator

Mulch volume for rectangular beds and circular tree rings, computed as area times depth and reported in cubic feet, cubic yards, and...

13 views

Plant Population Calculator

Plant population from total field area divided by single-plant footprint (row spacing times in-row plant spacing).

197 views

Planting Calculator

Counts plants in a rectangular bed under a square-grid or staggered triangular layout (row spacing s 脳 0.

164 views

Potting Soil Calculator

Potting soil volume for rectangular, round, and tapered containers, reported per pot and in total as gallons, dry quarts, liters, and cubic...

12 views

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.

135 views

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.

156 views

Soil pH Adjuster Calculator

Lime or sulfur amendment weight from standard agricultural extension rates scaled linearly with garden area and absolute pH change.

163 views

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...

135 views

Topsoil Calculator

Topsoil volume for rectangular, circular, and triangular areas, computed as area times depth and reported in cubic yards, cubic feet, and cubic...

11 views

Tree Age Estimator

Tree age from the International Society of Arboriculture growth factor formula: trunk diameter at 4.

199 views

Tree Calculator

Tree diameter, age, height, leaf count, spacing, lumber value, and carbon from trunk circumference, crown spread, and species.

13 views

Wind Break Calculator

Wind speed reduction behind a windbreak at any downwind distance, interpolated from measured curves for four windbreak densities at 5 to 30...

13 views