Crushed Stone Size Chart

Stone numbers come from AASHTO M43 and ASTM D448. Bigger numbers mean smaller stone. Pick a size below to work out how much you need.

Units

Shape

Length

Width

Diameter

Area

sq ft

Depth

Material

Weight per cubic yard

tons

Change it to your supplier's figure.

Add extra

Rochester Concrete Products' install guide adds 10% for compaction and uneven ground.

Bag size

cu ft

Quikrete's 50 lb all-purpose gravel bag holds about 0.5 cu ft.

Price

Priced per

Enter your numbers and press Calculate.

Size and weight by number

Size	Nominal size	Tons per cu yd	Lb per cu yd
No. 5	1 in to 1/2 in	1.28 to 1.48	2,562 to 2,959
No. 56	1 in to 3/8 in	1.36 to 1.40	2,716 to 2,803
No. 57	1 in to No. 4	1.29 to 1.47	2,576 to 2,935
No. 6	3/4 in to 3/8 in	1.36 to 1.49	2,727 to 2,978
No. 67	3/4 in to No. 4	1.43 to 1.68	2,867 to 3,351
No. 68	3/4 in to No. 8	1.31 to 1.56	2,616 to 3,129
No. 7	1/2 in to No. 4	1.40 to 1.63	2,789 to 3,264
No. 78	1/2 in to No. 8	1.25 to 1.48	2,492 to 2,959
No. 8	3/8 in to No. 8	1.16 to 1.52	2,314 to 3,046
No. 89	3/8 in to No. 16	1.19 to 1.46	2,387 to 2,921
No. 9	No. 4 to No. 16	1.25 to 1.49	2,492 to 2,989
No. 10	No. 4 to 0	1.56 to 1.98	3,127 to 3,950

Nominal sizes from Ohio DOT Table 703.01-1; weights are FHWA's loose and dense dry unit weights.

No. 4 means the No. 4 sieve (4.75 mm); No. 8 is 2.36 mm and No. 16 is 1.18 mm.

Crushed Stone Size Chart