Yard math, done in seconds.
How much mulch for the flower bed? How many bags of concrete for that slab? Stop guessing at the garden center — measure once and order exactly what your project needs.
Most used calculators
Mulch Calculator
Cubic yards, bags and cost for any bed size and depth — with a 10% waste buffer built in.
Open calculatorGravel Calculator
Cubic yards, tons and 50 lb bags of gravel for paths, driveways, drainage and French drains.
Open calculatorConcrete Calculator (Slab)
Bags of 40/60/80 lb mix or ready-mix yards for slabs, pads and footings — with cost.
Open calculatorRaised Bed Soil Calculator
Soil volume for any bed size — with Mel's Mix recipe, 2 ft³ bag counts and budget fill options.
Open calculatorTopsoil Calculator
Cubic yards, 40 lb bags and tons of topsoil for lawns, beds and leveling projects.
Open calculatorPea Gravel Calculator
Smooth 3/8" pea gravel: yards, tons and bags for paths, patios, play areas and dog runs.
Open calculatorWhy Calcyard
Why people use Calcyard
Real units, real answers
Every calculator outputs cubic yards, bag counts and approximate tons — the three ways suppliers actually sell materials. No conversions left for you to do.
Private by design
All math runs in your browser. We don't have accounts, we don't track you across pages, and your measurements never leave your device.
Field-tested numbers
Coverage charts, compaction factors and depth recommendations follow university extension and industry guidance (CPSC, ICPI-style specs), with sources named on every page.
The full yard
Every calculator on the site, grouped by material. Same engine, same instant results.
Mulch & Wood Chips
Mulch Calculator
Cubic yards, bags and cost for any bed size and depth — with a 10% waste buffer built in.
Open calculatorPlayground Mulch Calculator (EWF)
Engineered wood fiber for playsets: depths to CPSC guidance, cubic yards and protective-use zones.
Open calculatorRubber Mulch Calculator
Loose rubber mulch volume, 0.8 ft³ bag counts and weight for landscaping and play areas.
Open calculatorTree Mulch Ring Calculator
Mulch for the ring around a tree — accounts for the trunk so you don't over-order.
Open calculatorSoil, Compost & Fill
Topsoil Calculator
Cubic yards, 40 lb bags and tons of topsoil for lawns, beds and leveling projects.
Open calculatorFill Dirt Calculator
Fill dirt volumes and tons for grading, pool backfill, erosion gullies and construction voids.
Open calculatorCompost Calculator
Cubic yards, bags and tons of compost for beds, lawns and soil amendment.
Open calculatorGarden Beds & Lawns
Raised Bed Soil Calculator
Soil volume for any bed size — with Mel's Mix recipe, 2 ft³ bag counts and budget fill options.
Open calculatorPotting Soil Calculator
Quarts, cubic feet and bag counts for containers — from seedling 6-packs to half-whiskey barrels.
Open calculatorSod Calculator
Rolls and pallets of sod for any lawn area — with 10% fitting waste and cost.
Open calculatorGrass Seed Calculator
Pounds of seed by grass type — new lawn or overseeding rates, plus bag counts.
Open calculatorPlant Spacing Calculator
How many plants fit a bed at any spacing — grid layout with rows × per row.
Open calculatorGravel, Stone & Hardscape
Gravel Calculator
Cubic yards, tons and 50 lb bags of gravel for paths, driveways, drainage and French drains.
Open calculatorPea Gravel Calculator
Smooth 3/8" pea gravel: yards, tons and bags for paths, patios, play areas and dog runs.
Open calculatorCrushed Stone Calculator
Angular crushed stone (#57, crusher run) in yards and tons for bases, drainage and driveways.
Open calculatorRiver Rock Calculator
Decorative river rock volumes: yards, tons and coverage for dry creek beds and borders.
Open calculatorGravel Driveway Calculator
Two-layer driveway math: crusher-run base + #57 surface, total tons per layer and cost.
Open calculatorPaver Base Calculator
Gravel base + bedding sand for patios and walkways — yards, tons and sand bags per layer.
Open calculatorSand Calculator
Sand volume in yards, tons and 50 lb bags — bedding sand, play sand, volleyball courts.
Open calculatorFrench Drain Calculator
Washed #57 gravel for a drainage trench — volume, tons and bags, pipe included.
Open calculatorPaver Calculator (Count)
How many pavers you need for any patio size — with 10% cut allowance and cost.
Open calculatorRetaining Wall Calculator
How many wall blocks and cap stones a wall needs — with courses and waste built in.
Open calculatorIce Melt Calculator
Pounds of de-icer per product type and driveway size — with concrete and pet safety notes.
Open calculatorConcrete & Fences
Concrete Calculator (Slab)
Bags of 40/60/80 lb mix or ready-mix yards for slabs, pads and footings — with cost.
Open calculatorPost Hole Calculator
Concrete for fence posts: hole size × number of posts → 50/80 lb bag counts instantly.
Open calculatorFence Calculator
Panels, posts and bags of concrete for a wood fence line — in one calculation.
Open calculatorGuides & charts
How Much Mulch Do I Need?
The 3-step method: measure, pick depth, convert to yards or bags — with worked examples for odd shapes.
Read guideMulch Coverage Chart
One-page tables: what 1–10 cubic yards covers at every depth, plus bag equivalents.
Read guideBags vs Bulk: Cost Compared
13.5 bags = 1 yard. When bagged mulch is worth it — and the price crossover math.
Read guide