Garden & Outdoors tools
Garden calculators for a healthier yard, plan plant spacing, mix soil and fertilizer, schedule watering, and size firewood or a greenhouse. All run privately in your browser, no signup required.
Popular Garden & Outdoors tools
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Garden Soil Calculator
Work out how much soil a raised bed or several beds need from their size and fill depth, split into compost and topsoil, with bags and cubic yards. Calculates in your browser.
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Pool Volume Calculator
Calculate a swimming pool’s volume in gallons, litres, and cubic feet for rectangular, round, or oval pools from the dimensions and average depth. Calculates in your browser.
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Plant Spacing Calculator
Work out how many plants a bed needs from its size and your plant and row spacing, for a square grid or a denser triangular layout. Calculates in your browser.
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Frost Date Calculator
Turn your local last spring and first fall frost dates into a growing-season length and a planting schedule for starting seeds indoors and transplanting out. Calculates in your browser.
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Fertilizer Calculator
Convert a target nitrogen rate into how much fertilizer to spread, using the first N-P-K number on the bag, for any lawn or bed area. Calculates in your browser.
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Grass Seed Calculator
Find how much grass seed a lawn needs at your seeding rate, or how many sod rolls and pallets cover the same area, from the square footage. Calculates in your browser.