Basics
How do I convert inches back into feet?
Divide by 12
I have a deck to pour. The depth is 10'' East side is running at 120' West side is running at 120' South side is running at 80' How much concrete will I need to order for this pour?
295.11 yards
What's the amount of volume this cube could hold?
12 x 12 x 12 = 1728 cubic feet worth of material.
Carpeting a household for some quick side money. The owners are willing to pay you extra to rip out existing carpet. The floor plan is measuring 120' by 80' how much carpet are you taking out?
9,600 SQFT
How do I convert feet into inches?
Multiply by 12
Pouring a sidewalk feature. Length is 20' with a width of 10' and a depth of 6'' how much will I need?
2.4 yards
Cylinder for a planter measuring in at 12' tall with a diameter of 3'. If 1 bag of soil is good for 3 cubic feet, how many bags of soil will I need to fill this planter?
1.5 x 1.5 x 12 x 3.1416 = 84.82 cubic feet
84.82 cubic feet divided by 3 cubic feet = 28.27 bags of soil needed.
Ripping out hard wood flooring in your brand new house. Kitchen is measuring in at 30' X 40'. Living room is measuring at 60' X 28'. You ordered a dumpster than can hold 500 SQFT of wood. What's the total SQFT you're removing? How many dumpster trips will it take?
2,880 SQFT of wood & 5/6 dumpster trips
What's the formula for volume?
LXWXH
Deck pour with the north end measuring at 60' South end 60' with East & West measuring at 95'. 7'' depth There are 2 - 10 X 10 blockouts in the middle of the deck. How much concrete will I need?
Deck = 60 x 95 x .58 divided by 27 = 122.44 yards
Block outs = 10 x 10 x .58 divided by 27 = 2.14 + 2.14 = 4.28 yards
122.44 - 4.28 yards = 118.16 yards of concrete needed!
You're going to build a rectangular form for concrete. But first you need to backfill it with gravel and compact it. The form is measuring at 20' long with a width of 5' and a depth of 3'. How much gravel can that form hold, if you only need 12'' of gravel?
20 x 5 x 1 = 100' cubic feet of gravel is needed.
I need to laydown tile in a bathroom. The bathroom is oddly shaped. The shower is 10'6'' by 5'7'' and the main portion of the bathroom floor is 12'2'' by 13'9''
How much tile should I expect to use if one box can cover 4' SQFT?
225.92 / 225' 11'' tile needed
56.48/57 boxes of tile needed
Converts cubic feet into cubic yards
Patio garden feature that is going to be circular with a block out in the middle of it measuring 3' x 3' (block out will also be circular to fit a fountain feature. Radius is 3') Patio RADIUS is measuring in at 12'. Thickness is 6''. How much concrete will I need?
Patio - 3.1416 x .50 x 12' divided by 27 = 1 yard
Blockout - 3 x 3.1416 x .50 divided by 27 = .17
Total needed is = 0.83 yards of concrete
You're doing a triangular feature in the local park. It's laying flat with a base of 23' a height of 40' with a depth of 1'. Base layer of soil needed is going to 6'' deep. How much soil can that feature hold?
23 x 40 x .50 divided by 2 = 230 cubic feet.
Re carpeting a room measuring 1800 INCHES by 2000 INCHES. How much carpet am I going to need?
24,900 SQFT
What's the formula to find concrete yards?
LXWXH divided by 27 = yards
House foundation walls are needed to be poured. The height of the walls are 10' tall, with a thickness of 3' they're spanning a total of 200'. How much concrete is needed?
222.22 yards of concrete.
You're pouring a patio in your own backyard. Having concrete trucked in is too expensive, so you're going to mix the bags yourself. Your patio is measuring 12' by 15' with a depth of 4''. Each bag is worth .10 yards of concrete. How many bags are needed?
12 x 15 x .33 = 2.2 yards needed
2.2 divided by .10 = 22 bags of concrete mix
Tiling the bottom of a in ground pool. CIRCULAR shape, with a RADIUS of 8'. How much tile do I need, if one piece of tile can cover 2'?
201.061 total SQFT
100.5 tiles needed