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Q: How many 12 inch blocks will it take to cover a 225 sq ft surface?
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How many blocks 12x12 do you need to cover 240 sq ft?

12 x 12 blocks (assumed as 12 inch x 12 inch) That means the blocks are 1 square foot each Hence to cover 240 square feet area, you would need 240 blocks


How many 12 inch blocks will cover 4200 square feet?

More information is needed EG what type of 12 inch blocks there are many(see link below). Also what way up are you using these blocks. http://www.boralbestblock.com/product-lines/masonry/standard-block/12-inch-block


How many 8x16 cement blocks would it take to cover 144 square feet area?

Assuming they are 8 inch*16 inch blocks, 144 square feet = 144*12*12 square inches. So number of blocks required = 144*12*12/(8*16) = 162


How many 16inch square blocks do you need to cover an area of 61 inches by 58 inches?

16 inch blocks have an area of 16 x 16 = 256 sqinches . You want to cover an area of 61 x 58 = 3538 sqinches. So you need at least 3538/256 = 13.8 blocks.


How many 8 inch by 8 inch blocks needed to fill 1000 square feet?

I think perhaps 2250 blocks .


How many 12x12 inch blocks placed 6 inches apart to cover a 10x10 foot area?

49 plus ten percent for breakage. Get 54.


How many 6 inch blocks per meter?

Six and one-half blocks.


How many 2 inch sqyare blocks can you fit in a 16 inch by 16 inch square?

64 of them.


How many half-inch blocks equals one-cubic-inch block?

8


How many half cubic inch blocks equal a 1 inch block?

You need 8 cubic blocks of sides 0.5 inches to make a 1 inch block.


How many 24 by 15 inch blocks will fit in a 10x10 foot room?

To cover the floor - 40. 24 inch by 15 inch = 2 feet by 1.25 feet. So, you will get five blocks the 24 inch way (10/2 = 5), and eight the 15 inch way 10/1.25 = 8). 5 x 8 = 40. Since you did not give a) the height of the room and b) the thickness of the blocks, we must assume you wanted only one layer on the floor.


How many 2-inch square blocks can fit inside a 10 inch by 20 inch rectangle?

50