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How Many Square Feet Is My Lawn

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Calculate Total Pounds Of Fertilizer Per 1000 Ft

How to measure lawn square footage

Now say your yard isnt exactly 12,500 ft² which the bag completely covers for a full application. My yard for example is broken out into three sections, Zone 1-3: 3,000 ft², 3,000 ft², 9,000 ft². respectively. Taking Andersons Starter Fertilizer as the example again, how many pounds will I need for my Zone 1, which is 3,000 ft²?

Take the pounds of the fertilizer bag and divide that by the square foot coverage .

50 / 12.5 = 4 lbs. of fertilizer per 1,000 ft²4 lbs. x 3,000 ft² = 12 lbs.

So in my example, Id need 12 lbs. of Andersons Starter Fertilizer for my Zone 1. In the next section, well break down how many pounds of nitrogen per 1,000 ft² were applying.

Heres An Example Grass Seed Calculation:

Suppose you have a new yard that is 0.23 acres that you want to plant Sun & Shade Mix.

Calculate Thousands of sq. ft.:

0.23 acres × 43,560 sq. ft = 10,018.8 sq. ft.10,018.8 sq. ft. ÷ 1,000 = 10.02 thousand sq. ft.

Calculate Grass Seed Quantity

From the table above, Sun & Shade Mix requires 6 lbs. of seed per thousand sq. ft. for a new planting.

10.02 thousand sq. ft. × 6 lbs. = 60.11 lbs. of grass seed required

One 50 lbs. + one 10 lbs. bag will be sufficient for your project.

Enjoy your new lawn!

How Do I Calculate The Square Footage Of My Lawn

How to Manually Find Your Propertys Square Footage

  • Walk the length of your lawn, figuring that one pace equals about 3 feet. Do the same with the width of the lawn.
  • Then multiply the length by the width to arrive at the total.
  • If your lawn has an irregular shape, try dividing it up into a number of square areas.
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    Sprinkler System Layout Planning

    Once everything is in order, determine where to connect the sprinkler system. Then, find out the water flow and water pressure rates at your property. For optimum performance, a writer at HomeTips states that you need a water flow of at least 40 pounds per square inch .

    When designing a sprinkler system layout plan, start by sketching your yard, including all the trees, plants and any lawn structures. Also mark where you want to put the sprinkler heads, control valve and pipes. Be sure to note which areas each head will cover, and write down where the pipes and control valves will be placed.

    Add the length of all the pipes. Also, include elbows and crosses for the branches and corners in each of the circuits. Each sprinkler head needs fittings and threaded risers.

    What If The Lawn Is In The Shape Of A Triangle Or There Are Triangular Areas

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    If you need to know how much turf for a triangular shaped lawn, you will need to measure the height of the triangle and the width of the base.

    You will multiply the measurement of the base by 0.5 and then you will multiply that number by the height.

    For example, if the measurement of the base is 7 metres and the height is 5 metres:

    7 metres x 0.5 = 3.5 metres. 3.5 metres x 5 metres = 17.5 metres.

    You will need to purchase 18 rolls of lawn turf to fully cover this triangular shaped lawn.

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    Sprinkler Systems On Larger Properties

    The experts from Washington State University Extension provides a sprinkler layout calculator that estimates how many sprinklers are needed per acre. It can provide the lateral spacing between the sprinkler heads and line spacing between the lateral sets on rectangular layouts. It also calculates the distances for triangular spaces.

    According to the writer at Lawn Chick, as of April 2021, it costs approximately $5,000 to $9,000 to install an underground sprinkler system on a 1-acre property. This cost can drop to around $2,600 to $6,000 if you install it yourself, though. Some of the labor and costs of this DIY project include digging trenches, hiring an electrician and a plumber, and buying PVC piping and the best sprinkler heads.

    The writers from Gardenbeast explain that sprinkler heads come in different sizes and varieties, which determine the ranges and spray angles. Features to look for include silent operation, wide spray swings, and of course, affordability and durability.


    The Average Radius Method

    Another way to determine the area of irregular circles is to measure the radius at 10 to 20 degree intervals and calculate the area from the average.

    Step 1. Find the center or near center of the circular area.

    Step 2. Record measurements, to the nearest foot, from the edge of the area to the center of the circle every 10 to 20 degrees.

    Step 3. Average the measurements

    Average radius = 17 ft

    Step 4. Estimate the area using the formula for the area of a circle.

    Area = r2

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    Calculating Seed Quantities For Your Property

    If you are using the calculator above, you can skip this section and get right seeding your lawn! Try our lawn mowing calculator to estimate how long it will take to mow your new lawn.If you want to calculate by hand, read on!

    To calculate the total quantity of grass seed you will require, you will need to know the type of grass you want and the size of the area youre planting. Since most coverage rates are given per 1,000 square feet , you will need to end up with those units.

    Heres how:

    • If your area is smaller, simply measure it in feet or meters. Then multiple the sides together. Done!
    • If you already know the acreage size, you can convert acres to square feet using our acres to square feet conversion calculator. Or, multiply the number of acres by 43,560 sq. ft.
    • If you are unsure of the acreage, use our map-based acreage calculator to find out.
    • After youve found your square footage, divide it by 1,000.

    All thats left to do is multiply your area by the amount of grass seed recommended for your grass type. Now you have the total number of pounds of seed needed.

    Take the total-pounds number to your supplier and pick out your seed. Grass seed is usually sold by the bag , so you can use your result to figure out how many bags you need.

    Why You Should Measure Your Lawn

    How to Measure Lawn Square Feet

    Whenever you buy a bag of product for your lawn, you will see that it states approximately how much square footage of ground it will be able to cover.

    Thats great, but only if you know what size your lawn actually is otherwise youre guessing.

    Its important that you buy enough product to cover your lawn, but over-applying can burn your grass or alter your soils chemistry in a way that can permanently damage your lawn.

    Measuring your lawn ahead of time allows you to buy right , and apply right .

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    How Much Lime Should I Add To My Lawn

    If you have tested your soil for the pH level and have discovered that it would be beneficial to apply lime it is important you add the correct amount.

    If you dont add enough lime then you will not see the full benefit or maybe you wont see any benefit at all whereas if you add more than is required it could have a detrimental effect on your grass.

    When you are calculating how much lime to apply to your lawn there is an important factor you should take into consideration and that is what type of soil do you have?

    The three soil types I am talking about are whether you have sandy, loamy, or clay soil as depending on the soil type you should be applying a different amount of lime.

    When calculating how much lime to put on your lawn it is normally calculated on a per 1000 square feet basis. So for ease of calculation lets just say you have a 1000 square foot law, this is how much lime you should add to raise the pH by 1 for the different soil types:

    • Sandy soil add 25 pounds of lime
    • Loamy soil add 75 pounds of lime
    • Clay soil add 100 pounds of lime

    Areas Of Squares And Rectangles

    The simplest area calculations are for squares and rectangles.

    To find the area of a rectangle multiply its height by its width.

    For a square you only need to find the length of one of the sides and then multiply this by itself to find the area. This is the same as saying length2 or length squared.

    It is good practice to check that a shape is actually a square by measuring both sides.For example your lawn may look same length on both side or square however when you measure it each side is different. Alway use the largest of the 2 numbers so you dont short change yourself on materials.

    Box 1 = 20ft x 10ft = 200 square feet

    Box 2 = 10ft x 10ft = 100 square feet

    A typical backyard is often more complex than a simple rectangle or square. The following diagrams will help you breakdown your measurements by section.

    To determine the square feet of this shape you can divide the area into two squares, then simply add the two areas together.

    Area 1 = 18ft x 17ft= Total 306 sq.ft.

    Area 2 = 10ft x 8ft =Total 80 sq.ft.

    Total area of Area 1 + 2: 306+80 = 386 sq.ft.

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    What Is A Good Thickness For Laminate Flooring

    Laminate flooring should be between 6-12mm thick. If you find thicker than 12mm, its an inaccurate measurementpossibly including attached padding. If you want the highest-quality, hardwood feel, youll want 10 or 12mm. If cost is a concern and you have a smooth subfloor, you can get by with 7 or 8mm.

    What If My Lawn Is Oval Shaped

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    An oval shaped lawn will require a different formula.

    You will need to measure the length and width similar to when you were measuring your square or rectangular shaped lawn.

    You will then multiply the length of the lawn by 0.8 and then multiply that number by the width.

    For example, if the lawn measures 10 metres in length and 5 metres in width

    10 metres x 0.80 = 8 metres. 8 metres x 5 metres = 40 metres.

    You will need to purchase 40 rolls of turf to fully cover this oval shaped lawn.

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    How Much Grass Seed Do You Need Per Square Foot Application Rate Chart Included

    If you are preparing for a reseeding or overseeding project this Fall and you already know what type of grass you want in your yard then all you have to do is follow the seeding rate instructions found on the bag of seeds youll be sowing. If however you havent decided on the seed yet then you may want to consult the chart below to get an idea of how much seed you will need for your project.

    Most grass varieties for both cold season and warm season turf types will require at least 1-5 pounds of seed for every 1000 square-feet of yard space although many cooler season grass types require more and some warm season grass types require less. There are some stark differences in application rates between some grass varieties and coated seeds need to be applied at heavier rates.

    Overseeding an existing lawn requires less seed than if you were seeding a new lawn. Overseeding projects will require approximately half of the seed per square foot that you would use on a new yard and if you use a basic drop spreader then you will probably have less waste meaning you will be able to spread slightly less seed and get the same results.

    In the northern colder climates Perennial Ryegrass, Kentucky Bluegrass, and Tall Fescues are very commonly found in lawns in America. In the warmer areas to the south Bermudagrass, Zoysia, Centipede, Bahia, and St. Augustine are quite common. We will focus on these grass types for the remainder of this article.

    What If My Lawn Is Circular

    These lawns are two different shapes and will require a different mathematical equation and process to figure out.

    Please be aware that whilst this may seem complex on the surface, its actually really simple.

    Lets start with a circle:

    With a circular shaped lawn you will need to calculate the radius of the space. To work out the radius, simply measure the full width of the circle and then divide it by 2.

    You will now multiply the radius by itself.

    Therefore, if the circle was going to be 10 metres wide, the radius would be 5 metres and you would then multiply that by itself. 5 x 5 = 25 metres.

    Finally, you will multiply this number by pi, which is 3.14.

    5 metres x 5 = 25 metres. 25 metres x 3.14 = 78.5.

    You would need to purchase 79 rolls of turf to fully cover this circle shaped lawn.

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    Benefits Of Topdressing A Lawn

    When the soil under your grass starts to lose its oomph, or its a new lawn that isnt doing well, pulling all of the grass up to amend it isnt a feasible option. Topdressing is a simpler albeit still challenging way to see the following benefits in your lawn.

    • Add organic matter to the topsoil, improving poor soil by enhancing its productive properties.
    • Smooth out uneven terrain from worm castings, freeze/thaw cycle, or water runoff.
    • Reduce the need for fertilizing.

    Overseeding Vs New Grass


    Overseeding is the installation of new grass seed with existing grass. It is used to fill in thin or bald patches in the lawn. Obviously, overseeding will require less grass seed than starting a lawn from scratch. Check out our grass seed chart to see the different requirements for overseeding versus new seeding.

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    What If I Want To Work With Different Units

    You might be wondering what to do if your units are in different measurements?

    Well, our calculator can take care of this for you.

    You might have noticed that we switch between units in our examples.

    For example, density is given in pounds per cubic yard and volume is given in cubic feet.

    Simply select the correct units in the drop down area for each measurement and the calculator will convert them using the following conversions:

    $$1\,foot = 12\,inches = 0.33\,yards = 30.48\,centimeters = 0.3048\,meters$$

    $$1\,US\,short\,ton = 2000\,pounds = 0.893\,imperial\,long\,ton = 907\,kg$$

    Factor #: The Type Of Grass Seed

    Obviously the grass variety will greatly affect the amount of seed youll need per square foot but what Im talking about here doesnt have anything to do with grass cultivar Im talking about the type of seed itself. If its a seed only product with no fillers, coatings, inert material, or seed starter blend then you will apply a much smaller amount to your property than otherwise.

    In many cases seed bags contain inert material to help the seed establish. Coatings on the seeds are usually meant to help retain moisture and can help with keeping germination rates high. These coatings can also help seeds to germinate faster as they are less likely to dry out on the ground.

    Some other bags will contain filler material mixed in so that when you sow the seed it is mixed up in a seed starting mix of soil, peat moss, or some other growing medium. These materials take up space and weight and although they can help ensure seed to soil contact, necessary for germination, they add to the cost and bulk of your seed.

    There are calculators online like this one from Lowes that can help you figure out how much grass seed you need and of course you could always eyeball it using the above chart as a guideline but figuring out the correct amount shouldnt be particularly difficult either.

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    How Many Square Feet Is A 2020 Room

    20×20 dimensions are common for garages big enough to accommodate 2 cars, living room space, or big bedrooms usually with walk in closets.

    20×20 suggests that the shape of the plane is a square as both the measurements are the same.

    To calculate the square footage area of the square, use the formula =

    Side length × Side Length

    = 20 × 20

    =400 ft2

    General Rule Of Thumb

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    If you are in a hurry and want a general ballpark figure, you donât need to read any further! For the best results, calculate your grass seed needs by type of seed and square footage. Otherwise, a general rule of thumb is 3-4 pounds of grass seed per 1,000 square feet for new lawns and 1-2 pounds of grass seed per 1,000 square feet for overseeding.

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    Grass Varieties And Quantity

    Lawn grasses are usually classified into either warm-season or cool-season grasses. The different varieties offer different textures, hardiness, and drought tolerance. They also require different amounts of seed to grow into lush lawns.

    Warm-season grasses grow better in warmer climates, including the southern US. Bermuda, St. Augustine, and Zoysia are warm-season grasses.

    Cool-season grasses thrive in cooler temperatures or climates with temperature fluctuations. Fescues, Kentucky Bluegrass, and Ryegrass are beautiful cool-season varieties.

    Besides variety, how much grass seed you use also depends on whether you are growing a lawn from bare soil or over-seeding an existing one. New lawns generally require about twice as much seed as overseeding.

    Most seed suppliers indicate coverage rates in pounds of grass seed per 1000 square feet of land covered. Your supplier will know the coverage rate for the variety youre purchasing, or see the table below for recommended coverage rates for common varieties.

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