Tools

Calculate concrete needed for a hollow poured concrete planter. Enter outer dimensions, wall thickness, and floor thickness to get cubic feet, bags, and cost.

Calculate concrete and cost for poured concrete steps. Enter the number of steps, width, tread depth and riser height to get cubic feet, bags, and estimated cost.

Calculate concrete needed for a poured concrete ramp. Enter ramp length, width, and thickness at the top and bottom to get cubic feet, cubic yards, bags, and cost.

Calculate concrete needed to fill a round tube form (Sonotube). Enter tube diameter, height and quantity to get cubic feet, cubic yards, bags, and cost.

Calculate concrete needed for a trench footing. Enter trench length, width and depth to get cubic feet, cubic yards, bags, and cost for a poured strip footing.

Find out how much your concrete weighs — by slab dimensions or by volume. Standard concrete weighs about 150 lb per cubic foot (4,050 lb per cubic yard)....

Size concrete for round pier footings used under decks, porches, and posts.

Calculate concrete needed for a shed base slab. Enter shed length, width and slab thickness to get cubic feet, cubic yards, bags, and cost.

Convert a bag count to volume, or find out how many 40, 50, 60 or 80 lb bags you need for a target volume.

Calculate concrete volume for a rectangular slab or footing, or a round column or post. Get cubic yards, cubic feet, cubic meters, and bag counts instantly.