Mulch calculator
Most beds need 2–3 inches of mulch. Keep mulch a few inches away from stems and trunks.
Raised bed soil calculator
Mix proportions are a popular starting point — adjust for your plants and local materials.
Watering calculator
1 inch of water over 1 sq ft ≈ 0.623 gallons. Most lawns need about 1 inch per week including rain.
Plant spacing calculator
Check the seed packet for the recommended spacing of each crop.
Pro tip: Results update instantly as you type. Buy about 10% extra material to allow for settling and uneven ground. For soil health, read our composting guide; for efficient watering, see Types of Sprinklers.