Sod Calculator: How Much Sod You Need

Sod is ordered by area, so the first job is turning your lawn into square feet. The sod calculator handles three cases, and each one starts with a tape measure.

Step by step

1. Pick the area shape. Rectangle is right for most lawns. Circle fits a round patch. If you already know the total, choose "I know the total area".
2. Measure in feet. For a rectangle, measure the longest straight sides for length and width. For a circle, measure straight across the middle for the diameter. Walk the edges twice; short mis-measurements add up fast on a big lawn.
3. Handle irregular lawns by splitting them. Break an L-shape into two rectangles and add the areas, or measure the biggest rectangle and choose the direct-area option with the summed total. The waste allowance covers the small offcuts.
4. Enter the roll and pallet coverage. The defaults — 10 sq ft per roll and 450 sq ft per pallet — match what most sod farms sell. Change them only if your supplier quotes different numbers.
5. Set the waste allowance and press Calculate. The default 5% suits a plain rectangle. Curves, trees and sprinkler heads need more, and the section below explains how much.

What you get

• Rolls needed — rounded up, waste included
• Pallets needed — rounded up to whole pallets, waste included
• Total area in square feet and square yards
• Estimated cost — only if you entered a price per roll or pallet

The formulas

• Rectangle: area = length × width
• Circle: area = π × (diameter ÷ 2)²
• Total with waste = area × (1 + waste % ÷ 100)
• Rolls = ceil(total area ÷ sq ft per roll)
• Pallets = ceil(total area ÷ sq ft per pallet)

If you measured in inches or meters, convert the dimensions to feet first — or run them through our area converter before entering the numbers here.

Sod is cut to fit around edges, curves, trees, flower beds and sprinkler heads, and the offcuts cannot be reused. Ordering exactly the measured area almost guarantees a shortfall, and a second delivery costs more than a few spare rolls.

Waste guidelines by lawn shape

What waste actually costs you

On a 1,000 sq ft lawn with 10% waste, you order for 1,100 sq ft — 10 extra rolls, or about $30–$80 at typical per-roll prices. Running short instead means a second delivery trip, visible color differences between batches, and a half-finished lawn sitting in the sun.

When the default 5% is wrong

The 5% default fits a plain rectangle. If the sod calculator's shape is set to rectangle but the real lawn wraps around a patio or has three trees in the middle, switch to 10%. For an L-shaped lawn measured as one big rectangle, 10% covers the offcuts from the missing corner too.

The waste percentage applies after the area is measured, so an inaccurate measurement plus zero waste is the fastest route to ordering too little. Measure twice, then let the allowance do its job.

Sod farms harvest rolls in standard sizes, then stack them on pallets. The two numbers that matter for ordering are the coverage of one roll and the coverage of one pallet — everything else follows from those.

Common roll and pallet coverage

Rolls per pallet

Divide the pallet coverage by the roll coverage: a 450 sq ft pallet of 10 sq ft rolls holds 45 rolls. Farms quote pallets anywhere from 400 to 500 sq ft, so confirm both numbers with your supplier before ordering and update the calculator's coverage fields to match.

Sod quantities for acreage

An acre needs 43,560 ÷ 450 = 96.8 pallets, rounded up to 97. For large jobs the pallet count matters more than the roll count, because sod is delivered, priced and often discounted by the pallet.

Once the lawn is measured, other outdoor projects follow the same measure-then-order logic. If the lawn borders a new patio, our paver calculator counts the pavers and base materials for it.

Ordering the right quantity is half the job. Fresh sod is perishable — it should go down the day it is delivered — and the first two weeks decide whether it roots or dies.

Installation checklist

1. Prep the soil first. Clear old grass and weeds, loosen the top few inches of soil, and level the surface so the sod sits flat with no air pockets.
2. Moisten the soil. Lightly water the bare soil right before laying so the dry ground does not wick moisture out of the sod.
3. Start along a straight edge. Lay the first row against a driveway or sidewalk, pressing pieces tightly together without overlapping.
4. Stagger the seams. Offset each row like brickwork so the joints do not line up. Cut pieces with a sharp knife to fit curves and edges.
5. Water immediately. Soak the new sod thoroughly on day one, then keep it consistently moist for the first two weeks while the roots establish.

What not to do

Do not let delivered rolls sit stacked in the sun — they heat up and can die within a day or two. Do not walk on the sod or mow it until the roots have taken hold; a gentle tug that resists means it is rooted. The University of Maryland Extension's lawn establishment guide has the full breakdown of laying and watering new sod if you want a second opinion.

Roots typically establish in 2 to 3 weeks. Until then, the sod's survival is almost entirely about water — the one thing a calculator cannot order for you.