Raised Garden Bed Soil
How much soil to fill any raised bed — single or multiple beds, in bags or cubic yards.
Calculate soilAll calculators
Home & Garden Calculators
Free, accurate tools that tell you exactly how much material your project needs. Each one shows the formula and a worked example, so you can trust the number before you buy.
Mulch Coverage
Find the bags or cubic yards of mulch to cover any area at the depth you choose.
Calculate mulchGravel Coverage
Work out tonnage and volume of gravel for paths, driveways, and drainage.
Calculate gravelConcrete Calculator
How much concrete for a slab, footing, or pad — in cubic yards and pre-mix bags.
Calculate concreteSand Calculator
How much sand for paver bedding, base layers, or sandboxes — in tons, yards, and bags.
Calculate sandPaver Calculator
How many pavers for a patio or path — any size, with a waste allowance.
Calculate paversFence Post Concrete
Bags of concrete per fence post — the hole minus the post, gravel base deducted.
Calculate fence postsRetaining Wall
Blocks, caps, base gravel and drainage stone — including the buried course.
Calculate wallHow these calculators work
Every calculator here is built around the same idea: tell it the size of your project and how deep you're filling or covering, and it returns the exact amount of material to buy. Soil and mulch are measured by volume — cubic feet, cubic yards, and bags — while gravel also converts to weight in tons, because that's how most stone suppliers sell it. You can switch between feet/inches and metric at any time, and every result includes a "show the math" breakdown so nothing is a black box.
Why an accurate estimate matters
Guessing usually means one of two things: a second trip to the store mid-project, or a pile of leftover material you paid for and can't return. A good estimate also helps you decide between buying in bags and ordering in bulk, which is often the bigger cost difference. Once you have your number, the guides cover the next questions — how deep to go, which material to choose, and the mistakes that cost people money.
Not sure how deep to go?
Our short, practical guides answer the questions people ask most before starting a soil, mulch, or gravel project.
Read the guides