Garden & Outdoor calculators
Soil, mulch, grass seed, fertilizer, plant spacing and pools.
12 free tools
Most used
More garden & outdoor tools
Fertilizer CalculatorTurn an N-P-K label and target rate into pounds of product to spreadGrass Seed CalculatorKnow exactly how many pounds of grass seed to buy for your lawnPlant Spacing CalculatorSee how many plants fit in a bed with square or triangular spacingPool Chlorine CalculatorDose liquid chlorine, bleach or shock to hit your target free chlorineRaised Bed Soil CalculatorWork out how much soil, compost and mix fills your raised bedsSod CalculatorCount the sod pallets, rolls and cost to cover your lawnTopsoil CalculatorEstimate cubic yards, tons and bags of topsoil or fill dirtCompost CalculatorBalance greens and browns for a hot, fast compost pileSeed Starting CalculatorKnow when to start seeds indoors and transplant from your frost dateTree Age CalculatorEstimate how old a tree is from its trunk circumference