Free Tools
Interactive calculators built for lawn care, lawn maintenance, and backyard landscaping how-tos. No sign-up, no downloads — enter your numbers and get an answer you can act on.
Grass Seed Calculator
Find how many pounds of grass seed to buy for a new lawn or an overseed, by grass type and lawn area.
Lawn Fertilizer Calculator
Work out how many pounds of fertilizer product to spread to hit a target nitrogen rate per 1000 sq ft.
Lawn Watering Calculator
Calibrate your sprinkler with the tuna-can test, then get minutes per session to hit your weekly watering target.