Sod Calculator
Find out exactly how much sod you need. Enter your lawn size below and get the rolls, pallets and pieces to order — plus topsoil, starter fertilizer and a cost estimate. Free, and it works for any yard shape.
How much sod do I need?
Advanced: supplier coverage & price (optional)
What this sod calculator does
Buying sod is one of those jobs where a small measuring mistake turns into a real headache. Order too little and you're back at the sod farm mid-project while the pieces you already laid start drying out. Order too much and you've paid for pallets that end up composting behind the shed. This sod calculator exists to take that guesswork out — you put in the size of your yard, and it tells you the quantity to buy in the units suppliers actually sell: rolls, slabs and pallets.
Under the hood it does four things in sequence. First it turns your measurements into total square footage, handling different shapes so you're not stuck forcing a curved bed into a rectangle. Then it adds a waste allowance for the strips you trim off along edges and around obstacles. Next it converts that adjusted area into whole rolls and pallets, rounding up because you can't buy two-thirds of a pallet. Finally, if you want it, it estimates cost and the topsoil and starter fertilizer you'll need to prep the ground.
How to calculate sod, step by step
- Sketch your lawn and split it into simple shapes — a rectangle for the main yard, maybe a circle for a flower bed to subtract, a triangle for that odd corner.
- Measure each shape in feet (or meters — the toggle converts live). Length times width gives square feet for rectangles.
- Add the areas together. Use the “Add another area” button so every section counts toward one total.
- Set a waste factor. Five percent for tidy rectangles, ten or more for curvy, tree-dotted yards.
- Read your order quantity — rolls, pallets and pieces, already rounded up and ready to take to the supplier.
Sod coverage: rolls, slabs and pallets explained
Sod is sold in a few formats, and knowing which one your supplier uses is the difference between an accurate order and a rough guess. Here are the typical sizes this calculator assumes — all editable to match your local farm.
| Format | Typical coverage | Good for |
|---|---|---|
| Roll | ≈ 10 sq ft (2 ft × 5 ft) | Small yards, patch repairs, easy to carry |
| Slab / piece | ≈ 2 sq ft (16 in × 24 in) | Hand-laying, tight or detailed areas |
| Pallet | ≈ 450 sq ft (range 400–500) | Whole lawns; most cost-effective per sq ft |
Because these numbers vary, the calculator lets you type in the exact coverage from your quote. A pallet from a Bermuda grower might cover 500 square feet while a St. Augustine pallet covers 400 — plug in the real figure and the pallet count updates instantly.
After you know your sod quantity: what comes next
Getting the square footage is step one, but most people asking “how much sod do I need” are really planning a whole project. Here's what this tool helps you line up so you're not making five separate calculations:
Topsoil to prep the ground
Fresh sod needs good contact with loose, fertile soil. Set a target depth — 2 to 4 inches is common over a rough grade — and the calculator returns topsoil volume in cubic yards, which is how it's delivered. That way you order soil and sod together.
Starter fertilizer for root establishment
A phosphorus-forward starter fertilizer helps new roots knit into the soil. As a planning figure, roughly one pound of product covers 200–250 square feet, so the tool gives you an approximate pound total to pick up alongside everything else. Always follow your specific product's label rate.
What the whole job will cost
Open the advanced section and add a price per pallet or per square foot to see a material estimate. For a full breakdown including delivery, installation labor and old-lawn removal, jump to the sod cost calculator.
The best time to lay it
Sod establishes fastest in mild weather. Cool-season grasses love early fall; warm-season grasses prefer late spring. Our guide on the best time to lay sod by climate zone matches this to where you live.
Who uses this tool
- Homeowners re-turfing a patchy backyard who want one clean number to give the supplier.
- Landscapers and contractors quoting jobs quickly with a defensible waste factor and pallet math.
- DIY renovators budgeting a new lawn from scratch, soil and fertilizer included.
- Property managers estimating sod for common areas and rental turnovers.
The formula behind the calculator
No mystery here — you can check the math by hand:
Total area = sum of (length × width) for every rectangle, plus areas of any triangles, circles and other shapes.
Order area = Total area × (1 + waste% ÷ 100).
Pallets = Order area ÷ pallet coverage, rounded up.
Topsoil (cu yd) = Area × (depth in inches ÷ 12) ÷ 27.
Rounding always goes up for rolls and pallets, because suppliers sell whole units. The “leftover coverage” figure shows how much extra that rounding leaves you — handy for planning a small repair area or a path border.
Data & sources
Coverage figures reflect common North American sod farm and retailer conventions; because pallet, roll and slab sizes genuinely differ between growers, the tool is built to be adjusted to your supplier's stated coverage rather than assuming one fixed number. Topsoil volume uses the standard cubic-yard conversion (27 cubic feet per cubic yard). Fertilizer figures are planning approximations — the authoritative rate is always the one printed on your product's bag. Cost ranges are estimates that vary with region, grass variety and season.
Frequently asked questions
How much sod do I need for my lawn?
Measure the length and width of each area of your lawn, multiply them to get square feet, then add all the areas together. Add 5–10% for cutting and waste around curves and edges. This sod calculator does the math for you and converts the total into rolls, pallets and individual pieces so you know exactly what to order.
How many square feet are in a pallet of sod?
A pallet of sod most commonly covers about 450 square feet, but this varies from roughly 400 to 500 square feet depending on the farm and grass type. Slabs and rolls also differ in size. Enter your supplier's exact coverage in the calculator's coverage boxes for a precise pallet count.
What waste factor should I use for sod?
For a simple rectangular lawn, 5% is usually enough. For yards with curves, garden beds, trees or lots of edges, use 10% or more. The waste factor covers the pieces you cut off and can't reuse. Ordering a little extra is cheaper than making a second trip for one missing roll.
How do I calculate sod for an irregularly shaped yard?
Break the yard into simple shapes — rectangles, triangles and circles — measure each one, and add the areas together. This tool lets you add multiple areas and pick shapes like L-shape, triangle, circle and trapezoid, then totals everything for you. For very complex boundaries, try the Map Area Measure tool to trace your lawn on a satellite image.
How much topsoil do I need before laying sod?
Sod roots best in 2–4 inches of quality topsoil over the existing grade. Set your target depth in the calculator and it returns the topsoil volume in cubic yards, so you can order soil and sod in one planning step.
Is this sod calculator free?
Yes. Every calculator on sodcalculator.org is completely free, works in your browser with no sign-up, and saves your recent results on your own device so you can come back to them later.
What people say
“Told me I needed 6 pallets and I ordered exactly that — zero waste, no second trip.”
“I quote jobs faster now. The waste factor and pallet math match what my supplier charges.”
“Handy that it also gives topsoil in cubic yards. Saved me a separate calculation.”
Sample feedback shown for illustration.