Lawn calculators
Pre-filled from your lawn profile.
📦 Product / seed calculator
Generic: enter your lawn size and the coverage rate printed on your bag or bottle. Works for fertilizer, grass seed, weed & feed — anything with a "covers X sq ft" number on the label.
sq ft
sq ft / bag
Units to buy—
Rounded up so you don't run short. Always follow the product label for actual application rate and timing.
🧮 Fertilizer calculator
How much product to hit a nitrogen target. The first number on the bag (N-P-K) is the nitrogen percentage.
sq ft
lb/1,000
% N
lbs
Product per 1,000 sq ft3.1 lbs
Total product needed—
Bags to buy—
Typical single application: 0.5–1.0 lb N per 1,000 sq ft. Never exceed the bag's labeled rate.
🧴 Spray-mix calculator
Tank mixing for herbicides/fungicides. Rate and carrier volume come from the product label.
sq ft
oz/1,000
gal/1,000
gal
Product per full tank3.00 oz
One tank covers2,000 sq ft
Tanks for your lawn—
Total product / water—
Always read the product label. Calibrate your sprayer with plain water first, and keep pets and kids off treated areas until dry.