As a rule of thumb 1 of our 25kg bags will cover an area of 0.25m to a recommended depth of 50mm. We also offer 855kg bulk bags. Please use the handy tool below to insert your rough dimensions and we'll calculate approximately how many bags you'll require.

On-Site Concrete calculator. Use this calculator to determine how much sand, aggregate (gravel) and cement is required for mixing on site a given area of concrete (1:2:4 ratio). Please enter the dimensions in the white fields below and click calculate to display the results. See below for help on concrete.

If you are plan to lay a landscape gravel path or are just looking improve the look of your yard with pea gravel elements, this gravel calculator (also a gravel estimator or aggregate calculator) might prove itself useful. It will help you estimate the amount of material required to …

Learn how to calculate how much concrete is needed for projects around the home and how many bags of concrete mix to buy. Calculate concrete volume in cubic feet and convert that volume into bags depending on the size bag available or the weight you are able to carry.

Rated 5 out of 5 by Charles A from Brilliant Ballast This is quite simply the best ballast in Brighton, and believe me when I tell you that I've seen a few bleak bags of ballast. From the minute my hands tore through the gravel filled plastic sack, it was like Christmas come early. As I continued to pull apart the remaining strands of the holding material, the gravel started to drop one by one ...

This is a free online tool by EverydayCalculation.com to calculate material consumption for a concrete structure i.e., quantity of cement, sand, stone gravel required in different concrete ratios.

Aug 19, 2016· how many bags per cubic meter? Discussion in 'Builders' Talk' started by charlie k, Oct 25, 2005. charlie k New Member. to mix 1 cubic meter of cement at a ratio of 3:1 how many 20kg of sand and 25kg bags of cement will be needed? charlie k, Oct 25, 2005 #1. HAMMERBOY New Member.

How to Calculate Ballast Weight Displacement by Will Charpentier . Calculating your boat's displacement related to ballast weight may surprise you in two respects. The first is that your boat's displacement is effected by the ballast weight on a pound-for-pound basis, since your boat's displacement is the weight of your boat, reckoned in terms ...

Dec 14, 2018· Quikrete's Concrete Mix yield's about .15 cubic feet for every 20 pounds of mix, so a 40-pound bag yields .30 cubic feet, 60 pounds of concrete mix yields .45 cubic feet and an 80-pound bag …

Nov 26, 2018· With the weight of the sand in the bag, sandbags with such dimensions and of this size can be used like bricks in building an interlocking sandbags wall. How much do sandbags hold? A standard 14" x 26" sandbag or 18" x 30" sandbag can hold up to 50 pounds of sand, but we recommend filling the bag to 35-40 pounds of sand.

If you are unsure how much aggregate you need, use our calculator below. Select your aggregate type, then enter your measurements below. ... You will need: mini bags of this aggregate type. The exact conversion depends on a number of factors beyond our control, for example moisture, method & degree of compaction, type of sub-base etc.

Jul 09, 2014· How much balast and cement for footings? I am doing for footings for a conservatory and need to work out how much balast and cement I will need and what is the best mix to ratio to use? I am going to buy the 850kg bags but just need to be sure I order the correct amount. ... 5 no. 850kg bags of ballast and 60 bags of cement, (calculation below)

Use the calculator on the right hand size by entering your required dimensions and clicking calculate. This will give you an estimated weight required and will show you how this can be supplied in three different ways. Delivery. Ballast can be provided either loose and tipped, in bulk bags with the use of a crane or in 20kg bags for smaller areas.

Multiply the number found in Step 3 by the thickness of sand you want in your base. This new number is how many 50-pound bags of sand you will need for your project. Some contractors recommend a base of sand between 4 and 6 inches thick.

These Concrete Calculators provide the required quantities of cement and all-in ballast or cement, sharp sand and gravel required to give a defined volume of finished concrete. Both of these concrete calculators make an allowance for the fact that material losses …

Buy great products from our Aggregates Category online at Wickes.co.uk. We supply trade quality DIY and home improvement products at great low prices

To calculate the weight of a cubic yard of sand, you simply have to multiply its volume by its density. You don't have to remember the density of sand though - our calculator has a preset value for density. Of course, if you decide to use some unusual material, feel free to change the value!

Bulk Material Calculator (Sand, Gravel, Soil and Mulch) Please enter the measurements below and press "Calculate" to receive the approximate number of cubic yards needed for the specified area. This calculator can be used to calculate the amount of sand, soil, …

This ballast bulk bag gives a mixture of sand and stone ballast to be mixed with cement for concreting applications. Also suitable for other building projects such as to provide an even sub-base for driveways, shed bases and more.

Jan 29, 2009· Concrete / ballast calculator In my home (includes DIY) MoneySaving. do that not have barrow mix near you that mix it and barrow it to were you want the reason im suggesting this is as i say i did it myself once and it worked out very little diference and at least you know the consistency is right £95 a cube approx .you dont state what size the base is if its less than a metre then get your ...

Jul 08, 2014· How much balast and cement for footings? I am doing for footings for a conservatory and need to work out how much balast and cement I will need and what is the best mix to ratio to use? I am going to buy the 850kg bags but just need to be sure I order the correct amount. ... 5 no. 850kg bags of ballast and 60 bags of cement, (calculation below)

Apr 20, 2017· You'll need a bit more than one 1 ton bags of ballast and around 6 bags of cement I reckon. A 1 ton bag is actually around 900Kg ish, so probably 40-45 bags at 25kg each is my guess. 1:4 ratio is quite strong, 1:6 would be fine - 12 shovels of ballast to 1/2 bag of cement.

Oct 04, 2014· I used rather less than that for pier and six support pads for the obsy framework. I did order two bulk bags of ballast and accompanying bags of cement but didn't use anywhere near all of it - more than one big bag of ballast used though. Some of the rest came in handy for other concreting jobs around the property and still some left.

Mixing Concrete - Let DIY Doctor show you how to mix concrete with this Project and Video Tutorial. Explains what sand to cement ratio you need for your Concrete Project. Find out how much cement and aggregate you need to buy using our concrete calculator. …

Aggregates Volume Calculator . Using this quantity calculator you can find out just how much material you need. Use the top form for Metric and the lower form if you prefer feet & inches. Carefully enter values for the length, width & depth in all the red fields.

For figuring cubic yardage and bags of concrete. Scroll down to see the calculator! Here's a good cement calculator to help you figure the amount of cement or concrete you need to do your project. Most people call concrete "cement" when in fact cement is just one ingredient along with sand, aggregate and water that is used to make concrete.

Ballast is a mix of sand and 10mm or 20mm stone. The 20mm Ballast is exceptionally versatile and is ideal for using to make concrete for paths, bases for under garden buildings, concrete floor in extensions or even foundations for a building.

To ensure that you receive the correct amount of gravel we recommend that you use the gravel calculator below. The calculator will help you get an approximate volume of gravel required. The depth you will need for the gravel and aggregates will depend on what size you use and what it is used for.

Concrete Calculator and Price Estimator Concrete Calculator – Find Yards or Bags Needed for a Slab or Footing Calculate the yards of concrete or how many pre-mixed bags of concrete are needed to pour a slab, patio, footing, column, or post fill-project, including circular slabs and patios.