Sam Gorman

Estimate sod needed, add waste, and see pallets, rolls, pieces, or square feet to order for your lawn.

Estimate potting soil for pots, planters, grow bags, and raised beds, then convert volume to bags with rim-gap and extra-soil options.

Calculate how many plants fit in a rectangular bed, including plants per row, rows, edge space, and centered starting marks.

Calculate theoretical plants per acre from spacing or estimate an emerged stand from repeated live-plant counts.

Estimate mowing cost per visit and per month using flat or hourly pricing, yard adjustments, and optional add-ons.

Estimate grass seed needed by lawn shape, seeding rate, buffer, and bag size for new lawns or overseeding.

Convert corn, wheat, soybeans, oats, barley, sorghum, or rye between bushels, pounds, US short tons, and metric tons.

Calculate daily or total growing degree units with simple, capped, or floor-only methods in Fahrenheit or Celsius.

Calculate fertilizer product pounds and whole bags to buy from package coverage or an N-P-K nutrient recommendation.

Convert between PPFD, light hours, and DLI, and check whether extra light hours can reach your target within your daily limit.