Concrete by Slab Size
Pick your slab dimensions for the exact yardage, bag counts at 4/5/6 inch thickness, and whether bags or ready-mix is the cheaper buy for that size.
4x4 slab0.20 cu yd at 4"5x5 slab0.31 cu yd at 4"4x8 slab0.40 cu yd at 4"6x6 slab0.44 cu yd at 4"6x8 slab0.59 cu yd at 4"8x8 slab0.79 cu yd at 4"8x10 slab0.99 cu yd at 4"8x12 slab1.19 cu yd at 4"10x10 slab1.23 cu yd at 4"10x12 slab1.48 cu yd at 4"10x14 slab1.73 cu yd at 4"12x12 slab1.78 cu yd at 4"10x16 slab1.98 cu yd at 4"12x14 slab2.07 cu yd at 4"12x16 slab2.37 cu yd at 4"14x14 slab2.42 cu yd at 4"10x20 slab2.47 cu yd at 4"15x15 slab2.78 cu yd at 4"12x20 slab2.96 cu yd at 4"16x16 slab3.16 cu yd at 4"14x20 slab3.46 cu yd at 4"12x24 slab3.56 cu yd at 4"16x20 slab3.95 cu yd at 4"18x18 slab4.00 cu yd at 4"16x24 slab4.74 cu yd at 4"20x20 slab4.94 cu yd at 4"20x24 slab5.93 cu yd at 4"24x24 slab7.11 cu yd at 4"20x30 slab7.41 cu yd at 4"16x40 slab7.90 cu yd at 4"24x30 slab8.89 cu yd at 4"20x40 slab9.88 cu yd at 4"24x36 slab10.67 cu yd at 4"30x30 slab11.11 cu yd at 4"30x40 slab14.81 cu yd at 4"40x60 slab29.63 cu yd at 4"