CALCULATOR, Conversion & Coverage Charts

The following calculator will give you an easy guideline for determiningthe yardage you need in your project.

  1. Simply measure the coverage area (in feet) that you are planning on treating, and determine the depth in inches.
  2. Then input the data into the calculator and you will receive your yardage quantities. It may be necessary to incorporate several areas in the event your project is more complex to get a sum of the total yardage.
  3. Following that you can CONVERT the yardage (cubic-yards) of volume into TONS by multiplying the yards X CONVERSION FACTORS from the CONVERSION CHARTS here. We have included these in a convenient downloadable Form for your use.

All gravel, stone, sand and boulders are sold by the ton. All topsoil, amended mixes and planters mix are sold by the cubic yard.

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estimating the amount of rock for your project is not difficult

CONVERSION CHART

This chart allows you to convert yardage to tons

4. Once you’re done doing that you will have a clear easy idea of how much material you need for your job. Just give us a call if you have any questions.

5. Delivery costs. Delivery depends upon the amount of materials, teh delivery location or where your project is located at, together with the size of delivery vehicle and some other factors. We can help you estimate the final delivery costs and schedule your delivery. We can answer any other questions you may have.

Make sure you have read the terms and conditions.

Material Coverage & Conversion Charts

All rock products, rip rap, boulders and soils are sold by the ton.

All mulches and plant mixes are sold by cubic yard.

Table 1 – Square feet to Cubic Yard conversion

  • L x W = Sq. Ft.
  • Inches deep ÷ 12 = Depth
  • L x W x D ÷ 27 = CY


Table 2 – Quick Conversion Factors Ton/CY

  • Rock                     1.37
  • Crusher Fines    1.9 Compacted  1.6 Loose
  • Infield Mix          1.75 Compacted 1.25 Loose
  • Rip Rap                1.45 (remember you may need more than you think)
  • Class 6 Base         1. 55 compacted

Table 3 – CONVERSION CHART FOR ROCK and GRAVEL PRODUCTS

1 Ton/Cy of the material listed below at a 3″ depth will cover the following square footage (all numbers are approx.) :

  • ¾” (#67) crushed gravel or ¾” round river gravel rock      77 Sq. Ft.
  • 1-1/2” Rock                                                                                         77 Sq. Ft.
  • ¾” Class VI  base course (road base)                                        63 Sq. Ft.
  • Crusher Fines                                                                                    67 Sq. Ft.
  •  Concrete Sand                                                                                 86 Sq. Ft.
  • Squeegee                                                                                             83 Sq. Ft.
  • Pea Gravel                                                                                          83 Sq. Ft.
  • Topsoil (amended, other)                            approx. 100 Sq. Ft.

Table 4 – RIP RAP COVERAGE

  • L Riprap (D/50 avg 9”) 1 ton will cover 23 square feet using D50 = 9″
  • M Riprap (D/50 avg 12”) 1 ton will cover 17 square feet using D50 = 12″
  • H Riprap (D/50 avg 18”) 1 ton will cover 11 square feet using D50 = 18″
  • VH Riprap ( D/50 avg 24”) 1 ton will cover 8 square feet using D50 = 24″

Table 5 – RIVER COBBLE Conversion for 1 ton

  •  2×4″ Cobble 65 Sq. Ft.
  • 4×8″ Cobble 60 Sq. Ft.
  • 8×20” 10 -15 Sq. Ft.

Table 6 – River Boulders and Shot Rock Boulders

  •  3’x3’x3′ approx. 1 ton, 143 to 168 lbs./Sq. Ft.

Table 7 – Mulches and Bark

  • One CY Covers 160 Sq. Ft. 2″ Deep
  • 100 Sq. Ft. 3″ Deep 80 Sq. Ft. 4″ Deep

Table 8 – Topsoils and composts Weight per CY /CF

  • 85/15 Sand/Peat mix 77.8 lbs. per C.F.
  • 66/33 Sand/Peat mix 80-90 lbs. per C.F.
  •  Compost 1100 lbs. per CY

DOWNLOADABLE CHARTS