Calculate how many rolls, pallets, or how much grass seed you need for a beautiful new lawn. Free, instant results.
How to Use This Sod Calculator
Choose sod or grass seed mode. Select your lawn shape, rectangle/square, enter total area directly, or L-shape (where you provide full dimensions and subtract a cut-out corner). Select your roll size (confirm coverage with your local sod farm, it varies by supplier). Add waste factor (10% standard for curves and edges). The calculator shows rolls needed, pallets (rounded up), and estimated cost.
How to Measure, Order, and Install a Sod Lawn
A sod lawn transforms bare dirt into a lush, usable yard in a single weekend. But ordering the wrong amount is a common and costly mistake, too little sod and you're driving back to the farm while the rest of your rolls dry out in the sun; too much and those heavy pallets are sitting in your driveway wilting. Here's how to calculate, order, and install sod like a pro.
Measuring Your Lawn Area Accurately
Grab a 100-foot tape measure, a notepad, and a helper. Measure the longest and widest points, sod is forgiving enough that you don't need survey-grade accuracy, but being off by 20% means a pallet over or short.
- Simple rectangle: Length ร width. A 60ร40 foot lawn = 2,400 sq ft.
- L-shape: Measure the full bounding rectangle, then subtract the cut-out corner. If the full shape is 60ร40 and the cut-out is 25ร20: (60ร40) โ (25ร20) = 2,400 โ 500 = 1,900 sq ft.
- Curved areas: Divide into smaller rectangles and triangles, calculate each, and sum. For wavy edges, add 10-15% waste, the curve cuts will produce a lot of scrap.
- Circular lawn: ฯ ร (diameter รท 2)ยฒ. A 50-foot diameter circle = 3.1416 ร 25ยฒ = 1,963 sq ft. Waste on circles is high (15-20%) because every edge cut creates scrap.
Understanding Sod Roll and Pallet Sizes
Sod farms use different roll sizes, there is no universal standard. Always ask your supplier for the exact coverage per roll and per pallet before ordering. Common sizes:
- Big rolls (10 sq ft): 2 feet wide ร 5 feet long. 50-60 rolls per pallet = 500-600 sq ft per pallet. Heavier (40-50 lbs per roll) but faster to lay, one person can do 500 sq ft in about 2 hours.
- Small rolls (3 sq ft): 1.5 ร 2 feet. 150-170 rolls per pallet = 450-510 sq ft per pallet. Lighter (12-15 lbs) and easier to handle on slopes, but more seams.
- Slabs (1.8 sq ft): 16 ร 24 inches. 70-75 slabs per pallet = ~130-135 sq ft per pallet. Small and manageable but lots of seams and slow to install. Often used for small patch jobs.
Sod vs Seed: The Real Comparison
- Sod pros: Instant green lawn in 4-6 hours. Weed-free (the dense sod mat suppresses weed seeds). Can be installed almost anytime the ground isn't frozen. Controls erosion on slopes immediately. Cons: Heavy labor (a pallet weighs 2,000-3,000 lbs), limited to the grass varieties your local farm grows, costs 10-20ร more than seed.
- Seed pros: Much cheaper ($0.03-0.10/sq ft for seed vs $0.50-1.00 for sod). Huge variety of grass types and cultivars, choose exactly the right grass for your sun, soil, and traffic. DIY-friendly, a push spreader and a rake are all the tools needed. Cons: Takes 8-12 months to fully establish. Weeds can invade during the vulnerable seedling stage. Narrow planting window (spring and fall). Needs consistent watering for 2-3 weeks for germination.
How to Choose the Right Grass Type
- Kentucky Bluegrass (cool-season): The classic American lawn grass. Deep green, soft underfoot, spreads via rhizomes to self-repair bare spots. Needs full sun and consistent water. Goes dormant (brown) in drought without irrigation. Best for: northern US, high-visibility front lawns.
- Tall Fescue (cool-season / transition zone): Deep-rooted (3-6 feet), drought-tolerant, stays green longer than bluegrass. Coarse texture, not as soft under bare feet. Clumping growth habit means it doesn't self-repair. Best for: transition zone (Mid-Atlantic through Midwest), low-maintenance lawns.
- Bermuda / Zoysia (warm-season): The southern standards. Bermuda is aggressive, drought-proof, and self-repairing, but it invades flower beds and goes brown in winter. Zoysia is slower-growing, denser, and more shade-tolerant but slower to establish from sod. Best for: southern US, high-traffic family lawns.
Soil Prep: The Secret to Sod Success
The single biggest reason sod fails is poor soil prep. New construction lots are particularly bad, the topsoil was scraped off and sold, leaving compacted subsoil full of debris. Before ordering sod: remove all rocks, roots, and construction debris, till the soil 4-6 inches deep with a rototiller (rent for $60-80/day), rake in 1-2 inches of compost or topsoil to improve organic matter, grade the soil so it slopes gently away from the house (1" drop per 4 feet minimum), and roll/compact lightly with a lawn roller (filled 1/3 with water) so the surface is firm but not hard-packed. Lay sod within 24 hours of delivery, it's a living product that generates heat and starts composting itself if left stacked. On hot days (85ยฐF+), lay it the same day it's cut.