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 square feet or dimensions to get cubic yards, 2 cu ft bags, and weight for hardwood or bark mulch. Includes coverage chart.
- 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: calculate yards of topsoil or soil for lawns, garden beds, and fill. Get cubic yards, bags, depth guidance, and a coverage chart.
- 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: choose 40, 60, or 80 lb bags and get bag count, cubic feet, yards per bag, and coverage for slabs, footings, or fence posts.
- 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.
- Asphalt Calculator Free asphalt calculator for driveways and parking lots. Enter length, width, and depth to get tons and cubic yards of hot mix asphalt, plus a coverage chart.
- 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 lawn square feet or dimensions to estimate sod pieces and pallets, waste allowance, pallet coverage, and printable ordering chart.
- 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.
- Countertop Calculator Free countertop calculator: enter each counter run to get total square footage for quotes, plus installed cost ranges by material and a printable depth chart.
- Insulation Calculator Free insulation calculator: enter your wall or attic dimensions to get square footage, then convert it to batt bags using the R-value and climate zone charts.
- Deck Board & Material Calculator Free deck material calculator: enter deck dimensions for square footage, then convert to decking boards by length, joist counts, screws, and cost per sq ft.
- Retaining Wall Block Calculator Free retaining wall block calculator: enter wall length and height to get wall face square footage, then convert to block counts by block size and base gravel.
- Siding Calculator Free siding calculator: enter wall length and height to get square footage and siding squares, then convert to vinyl boxes or fiber cement planks by exposure.
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.