DIY Material Calculators
Free, accurate estimation tools for your next concrete, landscaping, or hardscaping project.
Hardscaping Tools
Landscaping Tools
Raised Garden Bed Soil Calculator
Estimate exactly how much potting soil or raised bed mix you need to fill your new garden beds.
Gravel Calculator
Estimate exactly how much gravel, crushed stone, or sand you need for driveways, paths, patios, and drainage areas based on your dimensions and material type.
Mulch Calculator
Estimate exactly how much mulch you need for garden beds, landscape beds, tree rings, and paths based on your area and preferred depth.
Concrete Tools
Concrete Footing Calculator
Estimate concrete volume for rectangular footings used under walls, small structures, posts, and foundations.
Sonotube Concrete Calculator
Estimate exactly how many bags of concrete you need to fill round concrete form tubes (often called Sonotubes) for deck piers, columns, and structural footings.
Post Hole Concrete Calculator
Estimate exactly how much concrete you need for setting fence posts, deck footings, and mailbox posts. Calculates volume per hole while automatically subtracting the space taken up by the post itself.
Concrete Bag Calculator
Calculate exactly how many bags of concrete you need for your project. Enter your project dimensions or a known volume, and select your bag size (40-lb, 50-lb, 60-lb, or 80-lb).
Concrete Slab Calculator
Planning a patio, driveway, or garage floor? Our DIY concrete slab calculator helps you estimate exactly how much concrete to order based on your measurements. Easily figure out whether you need cubic yards for a ready-mix truck, or exactly how many 80-lb, 60-lb, or 40-lb bags to buy from the hardware store.