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des this sound right?

Discussion in 'Landscape Architecture and Design' started by mikey, Mar 26, 2002.

  1. mikey

    mikey LawnSite Member
    Posts: 81

    i have apotential mulch customer who want this area around trees etc. he want s me to lay mulch down.i never did a mulch job b4 and i need help.I measures this area it was around 45ft long by 10 ft wide my calculations come out to 450 sq ft. how many yards of mulch do i need for this job?im not keen on the mathematics im starting out this spring hope and im getting some calls so how much?
  2. diginahole

    diginahole LawnSite Member
    Posts: 249

    No, it sure doesn't sound right to me.
  3. PAPS

    PAPS LawnSite Senior Member
    Posts: 404

    450 sq. ft @ 2'' coverage = about 3 yards

    450 sq. ft @ 3'' coverage = about 4 yards
  4. BigEd

    BigEd LawnSite Senior Member
    from MD
    Posts: 299

    Try using this formula :Length times Width times Depth.Then divide that by 324

    450 sqft times 3 in deep=1,350
    1,350 divided by 324=4.166 yards of mulch
  5. mikey

    mikey LawnSite Member
    Posts: 81

    what is the 324?and how what is it ?

  6. landscaper3

    landscaper3 LawnSite Bronze Member
    Posts: 1,354

    2" depth 3yards
    3" depth 5yards
    4" depth 6 yards
    All were rounded of to the highest nuber on the mulch calculator we use.
  7. BigEd

    BigEd LawnSite Senior Member
    from MD
    Posts: 299

    Im not sure, that is the formula I was taught with and thats what I have been using for the last 2 years myself.Never no problem with shortage or overage. We have been putting down 40-75 yards of mulch a week for the last month or more,and no problems.Happy Bidding;)
  8. diginahole

    diginahole LawnSite Member
    Posts: 249

    12 x 27 = 324

    12 inches in a foot, 27 cu feet per cubic yard

    Length (ft) x width (ft) x depth (inches)/ 12 = cu ft required

    cu ft required / 27 = cu yards required


    Length (ft) x Width (ft) x depth (inches) / 324 = cu yards required
  9. RwADesigner

    RwADesigner LawnSite Member
    Posts: 107

    Here is the formula for figuring yds.....
    This is the true mathematical way to figure it....

    ok..i will break it down for you...

    if you have an area that is 450 sq.ft. and you want to cover that area with 3" of mulch....then this is how u do it

    measured area (450 sq ft) X how deep you want the mulch (3" or rather .25') = 112.5 sq ft.

    Now to get it to yard do this......... 112.5 / a cubic yard (27)= 4.166 yards

    That is the scientific method of figuring yards.....out of a square ft..area....

    Hope this helps....if you need anything else.....feel free to email me.....

    Life is short, Have fun

  10. diginahole

    diginahole LawnSite Member
    Posts: 249

    OOPS.... sorry to nit pick but that should be 112.5 cubic feet. Lenth x width x depth = volume (in cubic units)

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