Every calculator on this site, grouped by the kind of job. The concrete calculators give cubic yards, bag counts for four bag sizes, the ready-mix order and the cost at your prices.
Slabs and flatwork
- Concrete calculatorAny shape, with bags, ready-mix and cost.
- Concrete slab calculatorPatios, pads and driveways by dimensions or square feet.
- Concrete patio calculatorYards and bags for common patio sizes.
- Concrete driveway calculatorVolume and cost for single and double driveways.
- Concrete sidewalk calculatorWalkways by length and width.
- Monolithic slab calculatorSlab and thickened edge in one pour.
Footings, walls and steps
- Concrete footing calculatorStrip and trench footings per linear foot.
- Trench concrete calculatorTrench fill and trench footings by the yard.
- Concrete wall calculatorPoured walls by length, height and thickness.
- Concrete beam calculatorGrade beams and rectangular beams, with weight.
- Retaining wall concrete calculatorWall stem and footing together.
- Concrete steps calculatorSolid poured steps and landings.
- Concrete curb calculatorCurb and gutter by the foot.
Posts, piers and columns
- Post hole concrete calculatorRound holes by diameter and depth.
- Fence post concrete calculatorBags per post for 4 × 4 and 6 × 6 posts.
- Sonotube concrete calculatorPiers and tube forms from 6 to 18 inches.
- Concrete column calculatorRound and square columns.
Yards, bags and cost
- Concrete yard calculatorCubic yards for any pour, with a coverage chart.
- Concrete cubic meter calculatorMetric volume in m³ with kilograms.
- Concrete bag calculatorHow many 40, 50, 60 or 80 lb bags you need.
- Bags of concrete per yardThe bags-per-yard table for every bag size.
- Bags of concrete per palletBags, weight and yards on a pallet.
- Concrete cost calculatorBags against ready-mix with fees and tax.
Weight and reinforcement
- Concrete weight calculatorWeight of a slab, footing or column.
- Rebar calculatorRebar grid length, bars and weight for a slab.
- Rebar spacing calculatorFeet of rebar at 12, 16, 18 or 24 inch spacing.
- Wire mesh calculatorSheets of mesh for a slab.
Block and gravel
- Concrete block calculatorBlocks and mortar for a CMU wall.
- Gravel calculatorCubic yards and tons for a base or path.
- Pea gravel calculatorYards, tons and bags of pea gravel.
- Gravel driveway calculatorTons of gravel by driveway size and depth.
- Tons to yards calculatorConvert gravel between tons and cubic yards.
- Crushed concrete calculatorRecycled concrete base in yards and tons.
Not sure which one to use?
Start with the main concrete calculator. It handles every shape and lets you add several areas into one order. The pages above open the same calculator on a specific shape and add charts for that job.