Free Material Calculators
Instant, accurate estimates for concrete, gravel, mulch, fencing, and flooring — built for homeowners and contractors.
Concrete Calculator
Calculate cubic yards and bag count for slabs, footings, and round columns.
Gravel Calculator
Calculate cubic yards and tons of pea gravel, crushed stone, or river rock.
Mulch Calculator
Find out how many bags or cubic yards of mulch to cover your beds.
Fence Calculator
Estimate posts, panels, concrete, and pickets for any fence type.
Flooring Calculator
Calculate square footage and box count for any flooring material.
Why We Built These Tools
Most material calculators online are cluttered, slow, or buried under ads before you even get to the tool. We built cubicyard.tools differently: the calculator is the first thing you see, and it gives you an answer the moment you start typing.
These tools were built by contractors and DIY homeowners who got tired of doing the same arithmetic on every project. Ordering too little concrete means a cold joint — a visible seam that weakens the slab. Ordering too much wastes money. Getting it right matters.
Each calculator uses the same formulas your concrete supplier, lumber yard, or material distributor uses. We've documented every formula and constant so you can verify the math yourself.
We keep these calculators free and ad-supported because the best tool is one that's actually there when you need it — standing in a hardware store with dirty hands and a phone in your pocket. No sign-ups, no paywalls, no upsells.
If you find an error or have a suggestion, let us know. We maintain these tools because we use them too.