WebYou need to divide the total cubic yards that the yield needs to determine the number of concrete bags you need. Use the following yields per each bag size: 40-pound bag yields … WebHow many bags of cement do I need for 800 square feet? For a 800 sq ft rcc roof slab casting at 4 inch thick, generally you will need 55 bags (around 2765 kg) of cement which is approximately equal as 67.83 in cubic feet or in 1.92 cubic meter by using 1:2:3 (cement: sand: aggregate) mix to gain 3000 Psi compressive strength of concrete in 28 ...

Concrete Calculator

WebA: When one 94 lb bag of Portland cement is mixed by volume at a ratio of 1 part Portland (94 lb) to 3 parts Sand (300 lb), the 394 lb, when blended with clean water, will yield approximately 3 1/4 cubic feet of sand mix. If placed ½ inch (0.0427 ft) thick, it will cover roughly 78 square feet. WebThe yield of concrete per bag can vary depending on the brand and type of concrete mix, but it is typically around 60 pounds or 0.45 cubic feet per bag. Example: For a slab that … dickmann reason bogigian white

Concrete Bag Calculator: Calculate the Number of Bags Needed …

WebAnswer (1 of 3): Density of cement = 1440 kg/m3, Now, 1 bag of cement = 50 kg, Thus volume of 1 bag cement = 50/1440 = 0.0347 m3/bag. So, number of bags in 2m3 cement, … WebThere are approximately 2 bags of 80 lb concrete required for one cubic foot. 1 cubic foot concrete weighs around 133 lb, so, number of bag of 80lb concrete in a cubic foot = 133/ 80 = 1.66, rounding its equal as2 bags. So, you will need 2 bags of 80 lb concrete to make one cubic foot. How many bags of 80 lb concrete do i need in a cubic foot? WebWith this formula in mind, you’ll be able to calculate just how much concrete or cement you’ll need for your project: One 60-lb bag of concrete gives you .45 cubic feet of concrete … citrobacter on he agar