Plan your garden with confidence using our free gardening calculators. Figure out how much soil you need, calculate proper plant spacing, determine fertilizer amounts, and plan your garden layout without guesswork. These tools help you avoid buying too much or too little, saving money and ensuring your plants have the space and nutrients they need to thrive.
Whether you're starting a vegetable garden, planning a flower bed, maintaining your lawn, or building raised beds, our calculators handle the math so you can focus on growing. Get accurate measurements for soil, compost, mulch, seeds, and more based on your specific garden dimensions and plant choices.
Calculate proper spacing between plants and how many seeds you need
Calculate soil, compost, fertilizer, and topsoil amounts for your garden
Plan raised beds, calculate lawn size, and determine watering needs
Calculate plant spacing
Calculate garden dimensions
Calculate soil needed
Calculate compost amounts
Calculate fertilizer amounts
Calculate seed spacing
Calculate watering needs
Calculate grow light requirements
Calculate harvest times
Calculate lawn area
Calculate grass seed needed
Calculate topsoil needed
Calculate raised bed materials
Gardening involves a lot of planning and measurement. How many plants can fit in your garden bed? How much soil do you need to fill a raised bed? What's the right amount of fertilizer for your lawn size? These questions come up constantly, and getting the answers wrong can mean wasted money on excess materials or disappointing results from insufficient resources.
Our calculators take the guesswork out of garden planning. Enter your measurements and get precise amounts for soil, seeds, fertilizer, and other materials. This helps you buy exactly what you need, avoid multiple trips to the garden center, and give your plants the best chance to grow healthy and strong.
Calculate how many plants fit in your garden based on recommended spacing. Proper spacing prevents overcrowding and ensures each plant gets enough light, water, and nutrients.
Calculate how much soil you need to fill raised beds of any size. Know exactly how many bags or cubic yards to order based on your bed dimensions and desired depth.
Healthy soil is the foundation of a successful garden. Our soil calculators help you determine how much soil, compost, topsoil, or fertilizer you need based on your garden size and depth. Whether you're filling new beds, amending existing soil, or top-dressing your lawn, these tools ensure you order the right amount.
Calculate cubic feet or cubic yards for bulk orders, or figure out how many bags you need from the garden center. Factor in soil settling and compression to avoid coming up short. Get recommendations for fertilizer amounts based on your lawn or garden size, ensuring your plants get proper nutrition without waste or over-application.
Maintaining a healthy lawn requires knowing your lawn's size and applying the right amounts of grass seed, fertilizer, and other treatments. Our lawn calculators help you measure your lawn area accurately and determine exactly how much product you need. Calculate grass seed coverage for new lawns or overseeding, figure out fertilizer amounts for proper feeding, and plan your lawn care schedule with confidence. Stop guessing and start getting professional results with precise measurements and application rates.