Rebar Calculator | EZ Virtual Tools Construction

Rebar Grid for Slab/Footing

Length (ft)

Width (ft)

Rebar Size

Spacing (inches O.C.)

Standard Bar Length (ft)

Waste Factor %

Results

0
Total Bars Needed

Lengthwise Bars

Crosswise Bars

Total Linear Feet

0
Total Weight
lbs

0.00

Tons

Note: Add 12-18" to each bar for proper edge clearance and overlaps. Standard lap splice is 40x bar diameter.

Rebar Quantity & Weight

Number of Bars

Bar Length (ft)

Rebar Size

Results

0
Total Linear Feet

0
Total Weight (lbs)

0.00

Tons

0.00

Weight Per Bar

lbs

Lap Splice Length

Rebar Size

Concrete Strength (psi)

Splice Class

Results

0
Lap Splice Length
inches

0.0

Lap Length

feet

Development Length

inches

0.000

Bar Diameter

inches

Per ACI 318: Class B splices (1.3 ld) are required when more than 50% of bars are spliced at the same location or when less than 2x required steel is provided.

Rebar Reference Data

Size	Diameter (in)	Area (sq in)	Weight (lb/ft)	40d Lap (in)
#3	0.375	0.11	0.376	15
#4	0.500	0.20	0.668	20
#5	0.625	0.31	1.043	25
#6	0.750	0.44	1.502	30
#7	0.875	0.60	2.044	35
#8	1.000	0.79	2.670	40
#9	1.128	1.00	3.400	45
#10	1.270	1.27	4.303	51
#11	1.410	1.56	5.313	56