Estimate Rebar Concrete Slab

Calculate rebar spacing layout and weight in a concrete slab.

Estimate rebar concrete slab.

Layout of rebar for concrete slabs to estimate the quantity of rebar in slab to strengthen concrete slabs you ll have to assess the required measure of rebar for your two dimensional shape. Add in walls and columns. Subtract the clearance from the length and width to find the dimensions of the grid. Rebar calculator slab driveway or patio calculate the amount of rebar reinforcement needed for slabs and drive ways.

Calculating what you need for the sake of easy examples assume you re pouring a slab that s a simple rectangle of 20 by 30 feet and you ve figured out that you ll need the rebar set at 14 inches on center. This is needed to determine both the lengths of the rebar and how many rows and columns are needed. Total length total width bar spacing exact spacing equal spacing adjusted edge clearance bar size. Start by multiplying each of those measurements by 12 to get your dimensions in inches which in this case would be 240 inches by 360.

Interactive scaled diagrams inch. Click the button to calculate the volume of concrete and man hours not including mixing needed for this job. First work out your slab area. Say 15m x 20m for simplicity as an example.

Input length width and depth of the area. The grid is the horizontal and vertical spacing of your rebar. Multiply the steel per m2 x your slab area. For example if the slab is 10 x 10 and the clearance is 3 the size of the rebar grid will be 9 6 x 9 6.

Regardless of what the particular format might be the procedure is generally the equivalent.