Free DIY Material Calculators
Enter your dimensions and get instant cubic-yard, bag, and piece counts for mulch, gravel, concrete, sod, pavers, and more — no account or email required.
Volume Calculators
Get cubic yards or cubic feet for bulk materials delivered by the yard or bag.
- Mulch Calculator Free mulch calculator: enter bed length, width, and depth to get cubic yards, bags, and weight instantly. Includes a coverage chart and printable PDF.
- Gravel Calculator Free gravel calculator for driveways, paths, and patios. Enter length, width, and depth to get cubic yards and tons of crushed or pea gravel instantly.
- Topsoil Calculator Free topsoil calculator: enter your area and depth to see cubic yards and bags needed for raised beds, lawn leveling, or new lawns. Coverage chart included.
- Sand Calculator Free sand calculator: enter length, width, and depth to get cubic yards and tons of sand for sandboxes, paver bases, and leveling. Printable chart included.
- Concrete Slab Calculator Free concrete slab calculator: enter slab length, width, and thickness to get cubic yards for ready-mix orders. Thickness coverage chart and PDF inside.
- Concrete Bag Calculator Free concrete bag calculator: pick a 40, 60, or 80 lb bag size and enter your dimensions to see exactly how many bags to buy. Bag yield chart included.
- Concrete Calculator Free concrete volume calculator: enter length, width, and depth to get cubic yards for any pour or slab. Coverage chart and printable reference PDF included.
- River Rock Calculator Free river rock calculator: enter your area and depth to see tons and cubic yards of decorative rock needed. Coverage chart and printable PDF included.
- Cubic Yard Calculator Free cubic yard calculator: convert any length, width, and depth in feet and inches to cubic yards instantly. Use for mulch, soil, gravel, or concrete.
Area & Coverage Calculators
Estimate pieces, rolls, or pallets needed to cover a given square footage.
- Sod Calculator Free sod calculator: enter your lawn size to see how many sod pieces and pallets to order, with waste guidance, a pallet coverage chart, and a printable PDF.
- Paint Calculator Free paint calculator: enter your wall area to see how many gallons of paint you need per coat. Adjust number of coats and waste %. Coverage chart inside.
- Tile Calculator Free tile calculator: enter your floor or wall area and tile size to get a tile count with waste percentage built in. Coverage chart and printable PDF inside.
Count Calculators
Find out exactly how many individual units — pavers, fence panels, tiles — your project needs.
- Paver Calculator Free paver calculator: enter your patio or walkway size and paver dimensions to get an exact paver count with 10% waste included. Size chart and PDF inside.
- Fence Materials Calculator Free fence calculator: enter run length, post spacing, and picket size to get posts, pickets, and 80 lb concrete bags needed. Printable materials chart inside.
How These Calculators Work
Every calculator on this site uses the same straightforward formula: measure your project area in feet, enter the required depth or size, and the tool converts to the unit your supplier quotes — cubic yards, bags, pallets, or piece counts. Results update instantly in your browser; no data is sent to any server.
Why Free?
DIY material estimates should be fast and accessible. These tools are free to use as many times as you need — whether you are pricing a backyard patio or ordering fill for an entire property.