Sod Area Calculator: Lawn Square Footage

Sod Area Calculator

A sod area calculator finds the size of a lawn in square feet or square meters, using its length and width. Sod is turfgrass grown with a thin layer of soil and roots attached, cut into slabs, and laid down to make an instant lawn. Knowing the area of a lawn tells a person how much sod to buy.

How to calculate sod area

For a rectangular or square lawn, area equals length times width.

$\text{Area} = \text{Length} \times \text{Width}$

Both measurements must use the same unit, either feet or meters. The result comes out in square feet or square meters.

Example

A lawn measures 20 feet long and 15 feet wide.

$20 \text{ ft} \times 15 \text{ ft} = 300 \text{ sq ft}$

A metric example: a lawn measures 6 meters long and 4 meters wide.

$6 \text{ m} \times 4 \text{ m} = 24 \text{ sq m}$

To switch between units, 1 square foot equals about 0.0929 square meters, and 1 square meter equals about 10.76 square feet.

Accounting for waste

Sod installers usually order 5% to 10% more than the calculated area. The extra covers cuts around edges, corners, and objects such as trees or flower beds, plus any pieces damaged in shipping.

$\text{Sod to order} = \text{Area} \times 1.05 \text{ to } 1.10$

For the 300-square-foot lawn above, that means ordering between 315 and 330 square feet.

Measuring an irregular lawn

Few lawns are perfect rectangles. For an L-shaped or curved lawn:

1. Split the lawn into smaller rectangles and triangles.
2. Find the area of each shape. A triangle's area is half its base times its height.
3. Add the areas together.

This method works for almost any lawn shape, though very curved edges are easier to measure by walking off a grid pattern and counting squares.

How much sod comes on a pallet

A standard pallet of sod covers roughly 450 to 500 square feet, or about 42 to 46 square meters, split into individual slabs around 16 by 24 inches (about 40 by 60 centimeters) each. Coverage varies by supplier and grass type, so it is worth confirming the exact figure before ordering.

Alternatives to sod

Grass seed costs less than sod but takes several weeks to a few months to fill in fully. Hydroseeding, a slurry of seed, mulch, and fertilizer sprayed onto soil, establishes faster than plain seed but slower than sod. Artificial turf needs no water or mowing once installed, but costs more up front. Ground covers such as clover or creeping thyme can replace grass in shaded or low-traffic areas.

Frequently asked questions

How do I measure a lawn for sod?

Measure the length and width with a tape measure, in feet or meters. Multiply the two numbers to get the area. For odd shapes, split the lawn into rectangles or triangles, measure each one, and add the results together.

How much extra sod should I buy?

Most installers add 5% to 10% beyond the measured area, to allow for cuts around edges and any damaged pieces.

How long does it take sod to root?

New sod usually begins rooting within 10 to 14 days. Gently tugging a corner after two weeks should meet resistance if roots have formed. Full establishment typically takes one to three months, depending on grass type, season, and care.

What is the difference between sod and grass seed?

Sod is grass that has already grown, cut into slabs, and laid down as a finished surface. Seed is planted and grows in over weeks or months. Sod costs more but gives an instant lawn; seed costs less but takes longer.

How do I convert square meters to square feet?

Multiply the square meter figure by about 10.76 to get square feet. To convert the other way, multiply square feet by about 0.0929.

What is the best time of year to install sod?

Cool-season grasses, such as Kentucky bluegrass and fescue, establish best in early fall or spring. Warm-season grasses, such as Bermuda and zoysia, establish best from late spring through early summer.