Concrete Calculators
Every free concrete calculator in one place — pick one and get an instant, accurate answer. No sign-up.
- Brick Calculator →Count exactly how many bricks you need to build a wall in seconds. Free, no sign-up — enter the wall length and height.
- CMU Block Calculator →Count exactly how many CMU blocks to build your wall in seconds. Free, no sign-up — enter wall size and block dimensions.
- Cement Bag Calculator →How many bags of concrete mix do you need? Get 40, 60 and 80-lb bag counts instantly. Free, no sign-up — enter your slab size.
- Cinder Block Calculator →Count exactly how many cinder blocks to build your wall in seconds. Free, no sign-up — enter wall size and block dimensions.
- Cinder Block Estimator Calculator →Instantly calculate how many 16"×8" cinder blocks you need and the total square footage – free and immediate, free, no sign-up
- Concrete Block Calculator →Count exactly how many concrete/cinder (CMU) blocks to build your wall. Free, no sign-up — enter wall size and block dimensions.
- Concrete Calculator →Work out exactly how much concrete you need — cubic yards and 80-lb bags — for a slab, patio or footing. Free, instant, no sign-up.
- Concrete Driveway Calculator →Estimate concrete for a driveway — cubic yards, bags and total cost. Free, instant, no sign-up — enter size, thickness and price.
- Concrete Evaporation Rate Calculator →Calculate how many cubic yards, bags, and cubic feet of concrete you need instantly and for free – free, no sign-up
- Concrete Floor Calculator →Concrete for a garage, basement or shop floor — cubic yards, bags and cost. Free, no sign-up — enter size, thickness and price.
- Concrete Footing Calculator →Concrete for round footings, piers or Sonotube forms — cubic yards and bags. Free, no sign-up — enter diameter, depth and quantity.
- Concrete Pad Calculator →Concrete for an AC, shed or hot-tub pad — cubic yards, bags and total cost. Free, instant, no sign-up — enter size, thickness and price.
- Concrete Slab Calculator →Work out concrete for a slab — cubic yards, 80-lb bags and total cost. Free, instant, no sign-up — enter size, thickness and price.
- Concrete Steps Calculator →Estimate concrete for a set of steps — cubic yards and bags. Free, no sign-up — enter steps, width, rise and run.
- Concrete Weight Calculator →Work out the weight of a concrete slab in pounds and tons for hauling or disposal. Free, no sign-up — enter length, width and thickness.
- Ozinga Concrete Calculator →Calculate concrete volume, needed bags, and cubic feet instantly for free, no sign-up
- Post Hole Concrete Calculator →Work out the concrete to set fence or deck posts — bags and cubic yards. Free, no sign-up — enter hole size, depth and post width.
- Rebar Calculator →Work out the rebar for a slab — total linear feet and number of bars — from the slab size and spacing. Free, instant, no sign-up.
- Self-Leveling Concrete Calculator →How many bags of self-leveler to smooth your floor? Get the count instantly. Free, no sign-up — enter floor size and thickness.
- Sono Tube Concrete Calculator →Calculate Sono Tube concrete volume instantly, get cubic yards, cubic feet and 80‑lb bag count—free, no sign-up.