Lawn & planting calculators

Plan product quantities, plant positions and seasonal tasks from measurements and suitable local guidance. Keep seed rates, nutrient targets, plant spacing and transplant dates as explicit inputs. The calculators apply your choices; they do not prescribe a treatment or predict local weather.

• Sod Roll and Pallet CalculatorEstimate sod rolls, pallets, and product weight from project area and package data.
• Grass Seed Quantity CalculatorEstimate grass-seed quantity for a selected species and planting purpose.
• Fertilizer Nutrient-to-Product CalculatorConvert a supported nutrient target into product weight and bag count.
• Water-Soluble Fertilizer Dilution CalculatorEstimate soluble fertilizer mass from target and source-water concentrations.
• Plant Spacing and Count CalculatorEstimate plant count for a selected spacing and boundary allowance.
• Vegetable Seed Requirement CalculatorEstimate seed quantity for a row-and-station planting plan.
• Seed Starting Date CalculatorWork backward from a user-confirmed transplant date and variety-specific lead time to a sowing date.
• Growing Degree Day CalculatorAccumulate temperature units using a specified growing-degree-day model.
• Lawn Mowing Time CalculatorEstimate mowing time from lawn area, equipment width, travel speed, and work efficiency.
• Lawn Sprayer Calibration CalculatorUse a clean-water spray test to estimate application volume and tank batches.