Grass Seed Calculator
Pounds of seed for seeding or overseeding any lawn.
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Tools & Calculators
Every tool in one place. Search or pick a category, then start doing the math.
Lawn & Turf — 10 calculators
New New Sprinkler Run Time Calculator
Minutes per session to deliver one inch of water.
Use ToolNew Lawn Sod Calculator
Rolls, pallets and cost of sod for any lawn area, with cutting waste built in.
Use ToolNew Mower Capacity Calculator
How fast a mower covers ground in square feet and acres per hour, and how long your lawn will take.
Use ToolNew IPM Economic Threshold Calculator
Scout count per sampled area against published action thresholds for a treat-or-hold verdict, with spray volume sized for the lawn.
Use ToolNew Spreader Setting Calculator
Dial setting by product and spreader type from a two-way chart, plus application rate, bag count and coverage for your lawn.
Use ToolNew Overseeding Timing Calculator
Turns your frost dates and a soil reading into a seed-by day for fall, spring or dormant overseeding, with a germination check.
Use ToolNew Fungicide Re-Spray Interval Calculator
Estimates how much of a fungicide coat rain removed and when to re-spray, from rainfast hours, rainfall and product residual life.
Use ToolNew Lawn Topdressing Calculator
Work out how much compost or soil a lawn needs at a quarter to half inch, in cubic feet, yards, bags, wheelbarrow loads, weight and cost.
Use ToolNew Lawn Mowing Cost Calculator
Compare mowing your own lawn against hiring it out, in cash, fuel, machine wear and the hours your time is really worth.
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